Buying guides
Clear advice to help you choose with confidence
How to choose a smartphone in 2026
The screen, battery, and camera matter more than the number of processor cores — here's what to focus on before you buy.
Buying Guide: Choosing a Huawei Smartphone
What to know about the Huawei ecosystem before buying: software compatibility, camera strengths, and product range.
Buying Guide: Choosing an Honor Smartphone
Honor, the former Huawei sub-brand turned independent company: what changed for buyers and how to choose well.
Buying Guide: Choosing a Nokia Smartphone
The Nokia brand, revived by HMD Global, focuses on durability and a near-stock version of Android.
Buying Guide: Choosing a Dell Laptop
Dell spans several very different lines (XPS, Latitude, Inspiron, Alienware) — how to identify the one that matches your needs.
Buying Guide: Choosing a Xiaomi Smartphone
Xiaomi, Redmi, POCO: how to tell the group's sub-brands apart and choose the right smartphone.
Buying Guide: Choosing a Vivo Smartphone
Vivo, a sister brand of Oppo and OnePlus within the BBK Electronics group, focuses on photography on its flagship models.
Buying Guide: Choosing a Realme Smartphone
Realme, spun off from Oppo in 2018, targets a younger audience with a strong price-to-spec ratio.
Buying Guide: Choosing an Oppo Smartphone
Oppo, a sister brand of Vivo and OnePlus, focuses on design and photography on its flagship Find X series.
Buying Guide: Choosing a OnePlus Smartphone
OnePlus, launched in 2014 as an affordable high-end alternative, is now part of the BBK Electronics group.
Laptop: which processor should you choose?
Core i5, Ryzen 7, Core Ultra... processor names have become unreadable. Here's how to make sense of them without being an engineer.
OLED, QLED, Mini LED: which TV should you choose?
Three screen technologies, three different trade-offs between contrast, brightness, and price. Here's how to decide based on your room.
How to choose a tablet in 2026
Reading, drawing, kids, productivity: a tablet doesn't have the same priorities as a smartphone. Here are the criteria that actually matter.
How to choose the right refrigerator
Capacity, energy rating, No Frost: the three criteria that really determine day-to-day comfort and your electricity bill over 10 years.
Wireless earbuds: what to check before you buy
Battery life, noise cancellation, water resistance: the gap between two pairs of earbuds is often bigger than it looks.
Desktop PC: how to choose the right configuration
Office work, gaming, creative work: each use pushes toward a different configuration, and it's easy to overpay for a component you won't use.
Charger and power bank: which one should you choose
The watts printed on the box don't tell the whole story — here's how to avoid paying for power your device can't even use.
New or used: how to decide
A used device in good condition can be well worth it — as long as you know what to check before buying.
How to choose the best camera phone in 2026
Megapixels barely matter anymore — here's what actually determines photo quality on a smartphone.
Best camera phones under $500
At this price, one great sensor beats four mediocre ones — here's where to put your priorities.
Best phones for serious photography
If photography is a practice, not just snapshots, Pro mode and RAW matter more than the megapixel count.
Best phones for battery life in 2026
The mAh number on the spec sheet often lies — here's what actually determines how long a phone lasts.
Best gaming phones in 2026
A high benchmark score means nothing if the chip overheats and throttles after five minutes of gameplay.
How to pick the right phone as a student
The best phone for campus life isn't the most powerful one — it's the one that survives a full day, a full semester, and your budget.
Cheap phones in 2026: the specs that actually matter
On a budget phone, it's not the biggest number on the spec sheet that counts — it's the few things that age badly.
iPhone vs Samsung: what actually matters when choosing
The real decision isn't about raw power — it's about which ecosystem you're signing up to live in for the next few years.
AMOLED vs OLED: a very common false opposition
AMOLED isn't a competitor to OLED — it's a type of OLED, and that mix-up makes people miss the criterion that actually matters.
60Hz vs 120Hz: what the difference actually feels like
Refresh rate mainly changes how fluid the screen feels, not the image quality — and past a certain point, the eye stops noticing.
Snapdragon vs MediaTek: Which Chipset Should You Choose?
The chipset brand matters less than reputation suggests — here's what actually drives real-world performance.
8GB vs 12GB of RAM: Which Should You Choose?
The right number depends less on the spec sheet than on what you actually do with your phone every day.
How Much RAM Do You Really Need?
The right amount comes from your actual usage, not a race for more gigabytes — here's how to figure it out.
Best Laptops for Programming
A good developer laptop is judged by its RAM and keyboard far more than by its gaming benchmarks.
Best Laptops for Students
Weight and battery life usually matter more than raw power for getting through a school year.
How to Choose a Laptop for Video Editing
A video-editing laptop shares components with a gaming laptop, but you shouldn't be shopping for the same reasons.
Best TV for the PS5: What Actually Matters
Screen size matters less than Game Mode and HDMI bandwidth if you want to actually get the most out of a PS5.
OLED vs Mini LED: What's the Real Difference?
The two technologies produce light in completely different ways — and that one detail explains almost everything else.
How to Choose the Right Washing Machine
The sticker price only tells a small part of what a washing machine will actually cost you over ten years.
How to Choose Earbuds That Are Actually Good for Calls
An earbud that sounds great for music can be mediocre on a call — call quality comes down to completely different criteria.
How to Choose a Tablet for Note-Taking
The spec that actually matters isn't screen size — it's the lag between your pen stroke and the ink appearing on screen.
Best Budget Tablets in 2026: What Actually Matters
On a cheap tablet, screen resolution and raw processing power are the safe places to cut corners — RAM and storage really aren't.
Best Gaming Desktop PCs in 2026: How Not to Get It Wrong
An overpowered GPU held back by a weak CPU is wasted money — balance matters more than any single spec.
Best Desktop PCs Under $800: Where to Put the Money
Under $800, a bit less raw processing power paired with a dedicated graphics card usually beats an oversized CPU running on integrated graphics.
Best Power Banks in 2026: What the mAh Number Doesn't Tell You
The mAh rating on the box is never the capacity you actually get back into your phone — here's why, and what to check instead.
Wireless Chargers: What Actually Matters Before You Buy
The wattage printed on the box rarely matches the charging speed you'll actually get — here's why.
USB-C vs Lightning: What's the Actual Difference?
Not all USB-C ports are created equal — the connector shape is only half the story; the standard running underneath matters just as much.
HDD or SSD: Which Storage Do You Actually Need?
The speed gap between a hard drive and an SSD shows up the moment you power on — and it changes daily use more than almost any other spec.
4K vs 8K: Is 8K Actually Worth It Yet?
At the distance most people actually watch TV from, the human eye often can't tell 4K from 8K apart — and native 8K content barely exists anyway.
Fitness Smartwatches: What Actually Makes a Difference
A reliable heart-rate sensor and built-in GPS matter far more than how many features are listed on the box.
How to properly take care of your iPhone 16's safety and battery
Face ID, charging, hearing aid compatibility, warranty: what Apple's official iPhone 16 information sheet actually says, and how to check this information directly from your phone.
How to properly prepare before repairing your iPhone yourself
Basic checks, backup, discharging the battery, broken glass precautions: what Apple's official manual recommends before opening an iPhone.
How to diagnose a battery or charging problem on the iPhone 16
Charging that won't take, battery draining too fast, MagSafe not detected: the method Apple recommends before assuming you need a repair.
How to diagnose a display problem on the iPhone 16
Brightness that won't adjust, a flickering screen, unresponsive touch: how to find the real cause before replacing the display.
How to diagnose a camera problem on the iPhone 16
Blurry photos, a flash that stopped working, an app that crashes: the diagnostic method to try before considering a camera module replacement.
How to diagnose a sound problem on the iPhone 16
A weak speaker, a microphone that cuts out during calls, a silent ringer: how to find the cause before considering a repair.
How to diagnose a mechanical problem on the iPhone 16
An unresponsive side button, temperamental Touch ID, no vibration, an undetected SIM card: what's normal and what isn't.
How to use Apple Diagnostics to test your iPhone 16 yourself
Display, touch, camera, Face ID, buttons: how to run a real hardware diagnostic on your iPhone, on the device itself or remotely.
What tools to use to repair your iPhone 16 yourself
Torque drivers, a display press, an anti-static wrist strap: the equipment Apple actually recommends for a safe repair.
What to expect when replacing your iPhone 16's battery, display, or back glass
The real difficulty level, general steps, tools needed: an honest overview of what each repair involves before you start.
How to fix slowness on the Motorola Edge 50
A single laggy app, the whole phone dragging, a flaky connection: the step-by-step method to try before considering a reset.
Why the Motorola Edge 50 gets hot and how to prevent it
High-performance gaming, fast charging, Wi-Fi hotspot: the real causes of overheating and the habits to adopt before the phone slows itself down.
What to do if the Motorola Edge 50 won't turn on
A black screen, unable to restart, shutting off right after turning on: the method to follow in order before assuming a hardware failure.
How to fix random restarts on the Motorola Edge 50
The phone reboots on its own, freezes, or shuts down without warning: the full method, from a simple restart to a factory reset.
Abnormal screen colors on the Motorola Edge 50: how to fix them
A black-and-white screen, inverted colors, missing tones, dark theme turned on for no reason: exactly where to find each setting to get back to normal.
Fixing Bluetooth issues on the Motorola Edge 50
Bluetooth turning itself back on, a device that won't reconnect, sound or calls not coming through: the full troubleshooting method, case by case.
Fixing Wi-Fi Problems on Your Phone
Most Wi-Fi issues clear up by working through the right steps in order — before you reach for a full reset.
USB File Transfer Not Working: How to Fix It
If your computer won't recognize your phone, the cause is almost always the USB mode, the cable, or a port — rarely a serious fault.
Essential safety guidelines before using an LG air conditioner
Electrical wiring, refrigerant, remote control batteries: the safety points to know before first use.
LG air conditioner remote: installing batteries, upkeep, and forced operation
How to install the batteries, where to point the remote, and what to do if it breaks or goes missing.
Cool, Heat, and Auto modes: how to set them on an LG air conditioner
Choosing the right temperature and fan speed, and understanding what the automatic mode actually does.
Jet Cool and fast heating: speeding up an LG air conditioner's cooling or heating
How to trigger express cooling in summer or a fast temperature rise in winter, and when this mode won't kick in.
Auto Clean and the Plasma filter: keeping the air clean on an LG air conditioner
How to clear out residual moisture after running in Cool mode, and what the Plasma filter actually does for air quality.
Adjusting airflow direction and louvers on an LG air conditioner
Aiming the airflow horizontally and vertically from the remote, without ever forcing the louvers by hand.
Eco Eye mode: energy saving that follows people around the room
How this sensor detects occupants to adjust airflow, and why it can sometimes get it wrong.
Setting the timer and Auto Sleep mode on an LG air conditioner
Setting the clock, scheduling an automatic start or stop, and understanding what Sleep mode changes about comfort and temperature.
MacBook Pro safety, battery, and warranty: what to know
Magnets and medical devices, heat during use, the built-in battery, and Apple's one-year warranty: the essentials before using a MacBook Pro.
MacBook Pro not responding: quick checks before you worry
Charging, firmware update mode, restarting, software updates: the checklist to run through before suspecting a hardware failure.
Repairing your own MacBook Pro: the battery safety precautions
Why a damaged battery can catch fire, and how a DIY repairer needs to be equipped before touching it.
MacBook Pro: diagnosing battery, startup, and sleep issues
Unexpected shutdowns, a screen that won't wake, a computer that won't start: how to tell a software issue apart from a real hardware failure.
MacBook Pro: diagnosing display and camera issues
Lines on screen, a flickering image, a camera or light sensor that stops responding: the checks to run before suspecting a faulty part.
MacBook Pro: diagnosing keyboard, trackpad, Touch ID, and ports
Sticky keys, an erratic trackpad, Touch ID that stops recognizing you, a USB-C port that detects nothing: the essential checks before concluding it's broken.
MacBook Pro: diagnosing sound and microphone issues
Silent speakers, a mic that picks up poorly, a headphone jack that stops reacting: the checking method before suspecting a hardware failure.
MacBook Pro: fixing Wi-Fi and Bluetooth issues
A connection that drops, a Bluetooth device that can't be found, abnormally slow speeds: the troubleshooting method before suspecting the antenna or logic board.
Apple Diagnostics for Self Service Repair: testing a MacBook Pro remotely
A diagnostic tool driven from another device, useful when the Mac's screen stops responding or the computer itself can't run its own tests.
MacBook Pro running hot or noisy: what's normal and what isn't
A fan that spins up, a case that vibrates slightly, a laptop that won't sit flat: how to tell expected behavior apart from a real warning sign.
Alienware Area-51 18: getting to know the ports, lights, and connectors
SD slot, Thunderbolt 5, PowerShare, the Gorilla Glass panel: what every port and light on the Area-51 18 actually does.
Swollen battery on the Alienware Area-51 18: what to do (and what never to do)
Why a lithium battery can swell over time, and the safe way to get it replaced.
Repairing your own Alienware Area-51 18: precautions before opening the case
Service Mode, an anti-static kit, grounding yourself: the full safety routine before any repair.
Alienware Area-51 18: the built-in diagnostics for tracking down a fault
SupportAssist at startup, the M-BIST, L-BIST, and LCD-BIST self-tests, diagnostic light codes: how the PC tests its own hardware.
Alienware Area-51 18: hard reset, RTC reset, and network power cycle
Draining residual power, resetting the system clock, restarting the network: three simple moves before assuming a serious fault.
HP OMEN 16 Max: getting to know the ports, lights, and special keys
The battery light, the camera privacy cover, the OMEN key: what every element of the laptop actually means.
HP OMEN 16 Max: heat and fan noise, what's normal
Why you should never use the laptop directly on your lap, and how the fan regulates temperature on its own.
Cleaning your HP OMEN 16 Max safely
HP Easy Clean, disinfecting with isopropyl alcohol: HP's own step-by-step method for cleaning the laptop without damaging it.
Swollen battery on an HP OMEN 16: what HP actually says
HP states it plainly: a swollen battery is not a safety issue. Here's what that means in practice, and how to help slow it down.
Repairing your own HP OMEN 16: precautions against static electricity
Why a discharge you can't even feel can shorten a component's lifespan, and how to protect against it properly.
ASUS ROG Zephyrus Duo: getting to know the ports on the dual-screen chassis
The second screen, the MicroSD slot, the combo USB-C/DisplayPort port: the full port layout on a ROG Zephyrus Duo.
Before opening your ROG Zephyrus Duo: the precautions to follow
Electrostatic discharge, power cables, moisture: the safety checklist before any repair, even a simple one.
MSI Raider A18 HX: getting to know the ports and connectors
40 Gbps USB with Power Delivery, the card reader, a Kensington lock slot: the full port layout around the machine's edges.
MSI Raider A18 HX: lights, special keys, and resetting the battery
The light that changes color depending on the graphics mode, the quick Fn keys, and the reset procedure for when the system locks up.
MSI Raider A18 HX: safety guidelines and good handling practices
Temperature limits, surfaces to avoid, the warning about button batteries: the safety points worth knowing before everyday use.
MSI Titan 18 HX AI: getting to know the ports and connectors
Thunderbolt 5, HDMI 2.1, the SD card reader: the full port layout on the Titan 18 HX AI.
MSI Titan 18 HX AI: setting up the 4K Mini LED 120Hz display
Resolution, refresh rate, HDR certification: how to get the most out of the 18-inch screen.
MSI Titan 18 HX AI: diagnosing common problems
No power, an unresponsive screen, slowdowns, flaky Wi-Fi: the checking method before you start to worry.
MSI Titan 18 HX AI: upkeep, updates, and battery longevity
Safe cleaning, storage management, the 20-80% rule for the battery: good habits for the long run.
Before opening your ASUS ROG Strix SCAR 18: the precautions to follow
Why removing the bottom cover automatically cuts power, and the full checklist before getting started.
Upgrading RAM and storage on your ASUS ROG Strix SCAR 18
Two M.2 slots for the SSD, accessible RAM modules: what to know before adding memory or storage yourself.
ASUS ROG Zephyrus G16: what to know about the OLED display
Why simple bending can permanently damage an OLED panel, and the right habits for carrying and handling the laptop day to day.
Upgrading the SSD on your ASUS ROG Zephyrus G16
An aluminum sleeve, thermal pads on both sides of the module: the procedure specific to this slim chassis, trickier than it looks.
HP Limited Edition Scuderia Ferrari AI: getting to know the ports and lights
Two Thunderbolt ports that double as the power connector, a battery light that shows a real percentage: the connectivity on this USB-C-only ultraportable.
HP Limited Edition Scuderia Ferrari AI: fingerprint reader and special keys
A fingerprint sensor built directly into the touchpad, a Copilot key with two behaviors: the quirks of this laptop worth knowing.
iPad Pro: battery safety, what to know before any repair
Why a damaged battery can catch fire, and the equipment to have ready before touching it yourself.
A cracked iPad Pro screen: how to handle it without getting hurt
Sharp glass shards can scatter during handling — the equipment and method to reduce the risk.
Repairing your own iPad Pro: the essential preparation steps
Backup, discharging the battery, protection against static electricity: what to do before even picking up a screwdriver.
iPad Pro not responding: quick checks before you worry
The case, a clean connector, enough charge: the checklist to run through before suspecting a real hardware fault.
iPad Pro: diagnosing battery and charging issues
Won't turn on, won't charge, drains too fast: the checking method before considering a repair.
iPad Pro: diagnosing display issues
A black screen, flickering, colors that look off: the checks to run before suspecting the panel itself.
iPad Pro: diagnosing camera issues
Blurry photos, failed facial recognition, an app that crashes: the method before suspecting a faulty module.
iPad Pro: diagnosing sound issues
Silent speakers, a mic that picks up poorly, distorted audio: the checking method before suspecting a fault.
iPad Pro: diagnosing button and SIM card issues
An unresponsive top button, a fussy Touch ID, a rejected SIM card: the method before suspecting a faulty part.
Apple Diagnostics for Self Service Repair: testing your iPad Pro remotely
A full hardware test, run from another device, to isolate a fault before replacing a part at random.
Samsung Neo QLED: electrical safety and placement, the points to respect
Outlets, ventilation, exposure to moisture: what the manufacturer recommends before even plugging in the TV.
Samsung Neo QLED: wall mounting and fall prevention
Why a poorly secured TV is a real danger to children, and how to install a simple anti-tip device.
Samsung Neo QLED: understanding the One Connect Box
A single, nearly invisible cable links the screen to the connection box — how to install and care for it properly.
Cleaning and caring for your Samsung Neo QLED without damaging it
A simple soft cloth is enough — but some common household products can permanently damage the screen.
Preventing screen burn-in on an LG OLED TV
Image retention affects every OLED screen without exception — how the Pixel Cleaning feature limits it, and the settings that help day to day.
Installing an LG OLED TV: placement, ventilation, and wall mounting
Why a poorly ventilated spot can damage the set, and the precautions to follow for safe wall mounting.
Scanning and organizing channels on a TCL Google TV
How to rerun an automatic channel scan and reorganize the list from the Google TV menu, step by step.
Using hands-free voice control on a TCL Google TV
Turning on the built-in mic to say "Ok Google" without touching the remote, and what to know before enabling it on standby.
Mac mini M2 ports and first-time setup
What each port on the back of the Mac mini M2 is for, and what Setup Assistant does the first time you turn it on.
Connecting external displays to a Mac mini M2
The three possible combinations for hooking up to two displays to a Mac mini M2, and the connection order to follow.
Cleaning the dust filter on an Acer Predator Orion 7000
How to remove the dust filter, top cover, and front bezel for regular airflow maintenance.
Using PredatorSense on an Acer Predator Orion 7000
What the Quiet/Balanced/Performance/Turbo modes, fan control, and monitoring tabs of Acer's own utility actually cover.
Reading the diagnostic lights on a Dell OptiPlex 7010
How to interpret the amber and white blink patterns of the diagnostic light to spot a memory, motherboard, or CMOS battery issue before calling support.
Resetting the system clock (RTC) on a Dell OptiPlex 7010
The trick worth knowing when the computer won't start at all — no display, no POST, no reaction whatsoever.
Customizing the Action button on Apple Watch Ultra
The seven possible functions for this dedicated orange button, and how to change its assignment at any time.
Using Backtrack on Apple Watch Ultra
How to record your route in remote terrain and find your way back, plus the one limitation worth knowing before you head out.
Setting up the Quick button on the Galaxy Watch Ultra2
This circular button dedicated to outdoor sports can launch a workout, turn on the flashlight, or trigger a siren — here's how to configure it.
Using Water Lock mode on the Galaxy Watch Ultra2
Why it turns on automatically during swimming, and the exact steps to turn it off without harming the sensors.
Pre-continuous shooting on the Canon EOS R5 Mark II
Capturing images taken before the shutter button is even fully pressed — how to turn it on, and the limits worth knowing.
Calibrating and using Eye Control on the Canon EOS R5 Mark II
Driving autofocus with your gaze through the viewfinder — the five-point calibration process, and when the feature won't work.
The aspect ratio dial and digital tele-converter selector on the Fujifilm GFX100RF
Two dedicated physical controls that make up for the lack of a zoom on this fixed 28mm-lens medium format camera.
The built-in ND filter on the Fujifilm GFX100RF
A physical neutral-density filter built right into the body, cutting exposure by 4 stops with no external accessory to screw on.
The Pre-Capture function on the Sony a9 III
How to recover up to a full second of images shot before the shutter is fully pressed, and the situations where the feature disables itself.
Variable Shutter and anti-flicker on the Sony a9 III
A shutter speed adjustable down to a tenth of a stop, designed to eliminate brightness shifts caused by artificial lighting.
Handheld High Resolution mode on the Panasonic Lumix S1R II
Merging multiple images to reach up to 177 megapixels, without a tripod thanks to the built-in stabilizer.
Setting the cooling fan on the Panasonic Lumix S1R II
The six available modes for managing heat during long video sessions, from silent operation to maximum cooling.
The Vantage app on a Lenovo IdeaCentre Tower 08
The in-house software that centralizes updates, hardware diagnostics, and warranty info — how to open it and what it actually does.
Accessing the memory and M.2 SSD on a Lenovo IdeaCentre Tower 08
The disassembly order to follow, and the precautions that matter when handling an M.2 SSD without damaging it.
The built-in LED flashlight on the Garmin Fenix 8
A quick double press turns it on instantly, a programmable strobe mode, and a distress pattern to signal your position.
Planning a dive with the Garmin Fenix 8
Calculate the no-decompression time or breathing gas for a future dive in advance, right from the watch.
Connecting the JBL Cinema SB260 soundbar via HDMI ARC
A single cable to receive TV audio — provided HDMI-CEC is switched on beforehand on the TV.
Pairing the wireless subwoofer on the JBL Cinema SB260
Automatic pairing right at first power-on, and the manual procedure to follow if the subwoofer stays silent.
The C15/C30/C60/C120 high-speed frame capture modes on the Nikon Z8
Up to 120 frames per second in JPEG, with image-area restrictions that shift depending on the chosen rate.
Customizing Pre-Release Capture on the Nikon Z8 (Custom Setting d3)
Choosing how much burst is recorded before and after the full shutter press, and spotting the buffering indicator in the viewfinder.
Auto Pixel Mapping on the Sony Alpha 7R VI
A sensor optimization that runs on its own at shutdown — and what to do if it's turned off.
Using Selection/Memo Shot on the Sony Alpha 7R VI
Automatically marking the first image of a burst for faster sorting later, with no manual intervention.
Turbo and Sleep modes on the Voltas Vertis Elite AC
Fast cooling at full power, and a nighttime mode that adjusts the temperature gradually while you sleep.
The Ice Wash function on the Voltas Vertis Elite AC
An automatic coil clean through a freeze-and-defrost cycle, alongside regular filter maintenance.
The Smart Cover Lock on the HP Z2 Tower G9
A software-controlled lock that protects the inside of the case — and what to do when the cover refuses to open.
HP Sure Start's security event policy on the Z2 Tower G9
Three response levels to a critical firmware change, from a simple log entry to an automatic shutdown.
Clean Feed mode on the Blackmagic PYXIS 12K
Stripping all status text and overlays from a video output, while keeping the record tally visible.
Correcting the image with Anamorphic Desqueeze on the PYXIS 12K
How to straighten out the squeezed preview from an anamorphic lens, and the classic trap with a standard spherical lens.
Using the Double Tap gesture on Apple Watch Series 9
Answering a call or scrolling through the Smart Stack without touching the screen — a gesture made possible by the S9 chip.
Crash Detection on the Apple Watch Series 9
The exact sequence of an alert after a severe impact, and why it doesn't replace vigilance behind the wheel.
Simulating an ND filter without physical glass on the Olympus OM-D E-M1 Mark III
Live ND Shooting combines several exposures to produce the effect of a slow shutter speed, in broad daylight.
Starry Sky AF focusing on the Olympus OM-D E-M1 Mark III
A focus mode dedicated to stars, turned on and interrupted with the same AEL/AFL button.