Step1. Turn on the computer first, and then turn on the power timing controller.
Step2. Use the remote control to turn on the projector.
Step3. Long press the ‘mute’ button for three seconds to turn on the microphone.
Step4. Volume controller
A: Volume of the Microphone
B: Volume of the TV
C: Volume of the PC
D: Volume of the Laptop
E: Main Volume
Step5. Auto Switch
Signal 1: TV
Signal 2: PC
Signal 3: Laptop
Signal 4: HDMI
Click "Button 1,2,3,4" to change to the corresponding signal.
Some cables to the computer
Laptop - DP
Click the button to switch the signal.
Laptop - HDMI
Click the button to switch the signal.
Audio
Connect the audio cable to transmit the computer's sound.
Step6.TV channels
Aim at the infrared detector and press the button on the remote control to switch the channel.
Step7. Shut down
7.1 Turn off the projector first.
Press the green button once and wait a few seconds. Then the projector will turn off.
7.2 Then Turn off the power timing controller.
7.3 Turn off the computer at last.
Prev Page Instructions to the Classroom Facilities (GHK )
Next Page Use Camera and Mic in classroom for online class support