Hey, have all newcomers who have just taken over conference equipment management encountered this situation? My colleague Xiao Li made a joke last week - the leader was about to have a meeting, and he couldn't find the display switch after searching for ten minutes. This sounds outrageous, but to be honest, there are various conference screen designs on the market now, and the switch position is not always easy to find!

Let’s first understand the device type.

​​Here comes the point​ ​, the display structures used in different scenes are completely different. There are three common ones:

1. ​​Embedded installation model​ ​: Embedded in the wall like a bank conference room. The switch is usually in the side access door.
2. ​​Mobile stand​ ​: With wheels at the bottom, 90% of the power button is on the stand column.
3. ​​Spliced ​​large screen model​ ​: It is composed of multiple screens. Each screen has an independent switch but the main control is in the middle unit.

To take a real case, the power button of a 4K conference screen purchased by a government unit last year was actually hidden in the groove at the top of the screen. The manufacturer's engineer later explained that it was designed to prevent accidental contact, but the result was a disaster for the staff.

What should I do if I really can’t find it?

Don't mess around at this time! Teach you three tips to save your life:

• ​​Look at the indicator light​ ​: When powered on, 90% of devices will have red/blue breathing lights
• ​​Touch the border​ ​: Touch all four sides of the screen. Hidden touch switches are now popular.
• ​​Check the remote control​ ​: Don’t throw away the remote control with physical buttons. In an emergency, press and hold the "power + menu button" for 5 seconds to force it to turn on.

Here is a little bit of trivia, now all high-end models support it​ ​Voice wake-up​ ​. It can be started by shouting "power on" at the screen, but you have to confirm in advance whether the microphone permission is turned on.

Switch position comparison list

There is a lesson learned through blood and tears that I should remind everyone: the smart conference system purchased by a certain company has the switch integrated in the mobile APP. As a result, everyone was blinded when the network failed. Later, the manufacturer installed an emergency physical switch.

How to deal with weird situations

I encountered a funny thing last week - the switch of a certain company's conference screen actually requires a card swipe to activate it! Later I found out it was a customized security version. Don't bother yourself in this situation.​ ​Contact the manufacturer directly for technical support​ ​That's the right answer. Regular manufacturers now provide 24-hour remote guidance, and some even provide video link for step-by-step instructions.

To talk about the weird designs we have seen in recent years, the switch with fingerprint recognition is one of them, and there is also one that requires a USB flash drive to verify the key before it can be started. However, these are special industry requirements and cannot be encountered by ordinary users.

The editor has been doing conference control equipment maintenance for eight years, and the biggest lesson learned is:​ ​Don't be superstitious about experience​ ​! I encountered a new screen last year, and the switch was actually on the back of the stand base. I had to tilt the screen 45 degrees to see it. Nowadays, manufacturers' designs are becoming more and more personalized. When encountering new models, it is best to let the supplier do operational training first.

By the way, I recently discovered that some smart screens do not need to be turned off at all - the standby power consumption is less than 0.5W, which is more cost-effective than the time and cost of finding a switch. However, this depends on the specific model. Older equipment is safer if it is powered off. Remember, the key to stable operation of the equipment is to understand its temper!

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