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Troubleshooting
If you are having trouble with your device, rst try turning it off and on again. If
this does not x the problem, check the tips in the following.
1. It takes a few seconds before the picture is displayed after the device
is switched on. Is this normal?
• Yes, this is normal. The projector is in the process of initialisation and
searching for information on previous settings.
2. No sound or picture
• Check if the power cord is plugged into a working mains socket.
• Press the Power button on the remote control to activate the device from
'Standby' mode.
• Check the volume settings or 'Mute' mode is set to On.
3. Some irregular shadow appear on the edge of the picture after manual
keystone correction
• Hisense projectors use digital correction, so the true resolution lls on the
actual display area and leaves some surrounding area unused after
manual
keystone correction is completed.
Maintenance
• Avoid touching the device when it is running or immediately after it is turned
off, as it may be hot.
• Do not clean the device with oil-based products as they can deteriorate
the exterior or damage the paint. Extended contact with rubber or ethylene
products can cause stains on the device.
• If the exterior of the Smart Mini Projector becomes dirty, turn off the device
and wipe it with a damp, soft cloth.
• Lens Care:
◦ Avoid touching the lens with your hands.
◦ Do not use ordinary cleaning cloths to wipe the lens.
◦ Use a dust blower to remove dust from the lens.
◦ For grease, dirt, and ngerprints, have a professional clean the lens using
optical cleaning cloths, lens wiping paper, or professional cleaning solutions to
avoid damaging the optical coating and affecting image quality.
• Always use the Power button on the remote control to turn off the device.
Do not cut off the power directly while the device is operating.
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