Using Test Pattern - BenQ LH770 User Manual

Muting the sound
To temporarily turn off the sound,
y Using the remote control
Press MUTE to temporarily turn off the sound. When turning off the sound,
corner of screen. To turn the sound on again, press MUTE again.
y Using the menus
1. Press MENU/EXIT and then press ◄/► until the SYSTEM SETUP: Advanced menu is
highlighted.
2. Press ▼ to highlight Audio Settings and press MODE/ENTER. The Audio Settings page
displays.
3. Highlight Mute and press ◄/► to select On.
4. To turn the sound on again, repeat Steps 1-3 and press ◄/► to select Off.
Adjusting the sound level
To adjust the sound level,
y Using the remote control
Press or to select a desired sound level.
y Using the menus
1. Repeat steps 1-2 above.
2. Press ▼ to highlight Volume and press ◄/► to select a desired sound level.
Adjusts the microphone's sound level.
To adjust the microphone volume, press MIC/VOL (+/-) on the remote control or:
1. Repeat steps 1-2 above.
2. Press ▼ to highlight Microphone Volume and press ◄/► to select a desired sound level.
Power On/Off Ring Tone
1. Repeat steps 1-2 above.
2. Highlight Power On/Off Ring Tone and press ◄/► to select Off.
The only way to change Power on/off ring tone is setting On or Off here.
Setting the sound mute or changing the sound level will not affect the Power on/off ring
tone.

Using Test Pattern

This projector allows grid test pattern. This function lets you
adjust image size and focal length to ensure projected image
without distortion.
To display the test pattern, open the OSD menu and enter
SYSTEM SETUP: Advanced > Test Pattern and press
◄/► to select On.
appears on the top-right
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