Operation Manual
Table Of Contents
- Table of contents
- Important safety instructions
- Introduction
- Positioning your projector
- Connection
- Operation
- Starting up the projector
- Adjusting the projected image
- Using the menus
- Securing the projector
- Switching input signal
- Magnifying and searching for details
- Selecting the aspect ratio
- Optimizing the image
- Setting the presentation timer
- Remote paging operations
- Freezing the image
- Hiding the image
- Locking control keys
- Operating in a high altitude environment
- Adjusting the sound
- Using the test pattern
- Using the teaching templates
- Shutting down the projector
- Direct power off
- Menu operation
- Maintenance
- Troubleshooting
- Specifications
- Warranty and Copyright information
Operation 33
symptoms. However, this is not to state that this projector can operate under any and all
harsh or extreme conditions.
Adjusting the sound
The sound adjustments made as below will have an effect on the projector speaker(s). Be
sure you have made a correct connection to the projector audio input. See "Connection"
on page 16 for how the audio input is connected.
Muting the sound
To temporarily turn off the sound:
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 appears.
3. Highlight Mute and press / to select On.
If available, you can also press Mute on the remote control to toggle projector audio between on and off.
Adjusting the sound level
To adjust the sound level, press Volume +/- or / , or:
1. Repeat steps 1-2 above.
2. Press to highlight Volume and press / to select a desired sound level.
Turning off the Power On/Off Ring Tone
To turn off the ring tone:
1. Repeat steps 1-2 above.
2. Press to 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 the test pattern
The projector is able to display the grid test
pattern. It helps you adjust the image size and
focus and check that the projected image is free
from distortion.
To display the test pattern, open the OSD menu
and go to the SYSTEM SETUP: Advanced >
Test Pattern and press / to select On.