CiBest BL58 Manual Del Usuario página 9

Fault
Lamp not lighting up
after powering on
the projector
No picture
Remote controller
not working
Obscure picture
Abnormal sound
Check whether the power line is connected correctly, the plug is
inserted and the projector is powered on or off frequently; check
the service time of the lamp and whether it is necessary to replace
the bulb.
Check whether the lens cap is removed; all signal lines are
connected correctly and the contrast/brightness is set at the
minimum value.
Check whether the battery of the remote controller runs out or is
installed correctly, there is an obstacle between the remote
controller and the projector and the remote controller is beyond
the effective service scope.
Gently rotate the lens and adjust the focus properly.
Adjust the analog quantities of brightness, contrast and color.
Check whether the lens is clean.
Check whether the audio line is connected correctly, the TV signal
audio input mode is right and the mute or minimum volume mode
is set.
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Troubleshooting
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