Garmin 821P ユーザーズマニュアル
Solving Problems
81
Solving Problems with the Image or
Sound
Sound
Power does not turn on.
■
Make sure the power cable is connected. Also, connect a lamp to
your power outlet to make sure it’s working.
your power outlet to make sure it’s working.
■
If the projector lights turn off and on when you touch the power
cable, the cable may be defective. Contact Epson as described on
page 91.
cable, the cable may be defective. Contact Epson as described on
page 91.
No image appears on the screen.
■
Check that the
Power
light is green, not flashing, and the lens
cap is off.
■
Make sure that the projector is securely connected to your
computer or video source.
computer or video source.
■
The projector may be in standby or sleep mode. If the projector
has not received any input signal for 30 minutes, it turns off the
lamp to conserve the lamp life and save energy. If the
has not received any input signal for 30 minutes, it turns off the
lamp to conserve the lamp life and save energy. If the
Power
light
is orange, press the P
Power
button to turn the projector on.
■
Press the
A/V Mute
button to make sure the picture has not been
turned off temporarily.
■
If the power was switched off and then on again, the projector
may still be cooling down. Wait until the
may still be cooling down. Wait until the
Power
light stops
flashing and remains orange; then press the P
Power
button
again.
■
Check the
Video Signal
or
Computer 1 Input
or
Computer 2
Input
setting in the Signal menu to make sure it is correct for the
■
Have messages been turned off in the
Display
setting of the
Extended menu? See page 59 for details.
■
Adjust the
Brightness
setting on the Image menu or select
High
for the
Brightness Control
setting in the Setting menu. See