Canon DC-4381 - Manual (Page 21)

EN-21
Important:
Images may not be projected with good quality in an extremely hot or cold environment.
(This is not a product malfunction.)
4. Adjust the focus by turning the focus ring.
5. Choose your desired external input source using the COMPUTER / VIDEO buttons.
The projector automatically selects the appropriate signal format. The selected
signal format is displayed on the screen.
6. Adjust the image size by changing the distance between the projector and the screen.
If necessary, adjust the focus ring again.
Caution:
The air outlet fan rotates faster as the temperature around the projector rises.
Power-off
Use the following procedure to turn off the projector. Do not turn off the projector by unplugging
the power cord while the lamp is on. Unplugging while the lamp is on degrades the lamp’s
performance and causes failure in the projector.
1. Press the POWER button either on the control panel or on the remote control.
The message “POWER OFF? PRESS POWER AGAIN” appears on the screen.
To cancel, press any button except the POWER button.
2. Press the POWER button either on the control panel or on the remote control within
10 seconds again.
Both the lamp and the LAMP indicator will go out.
The POWER indicator lights up.
3. Unplug the power cord.
The CHARGE indicator will go out if a not fully chargedbattery is connected
with the projector.
The POWER indicator goes out.
Important:
In case the system has frozen or hung up for whatever reason and the system has
stopped responding, you may shut off the system by holding down the POWER
button either on the control panel or on the remote control for 5 seconds.