Zinwell ZAT-332, Owner'S Manual

Page: 19 / 21

15
APPENDIX 3 Troubleshooting
Problem Solution
1. The power indicator (green LED)
on front panel of the tuner doesn't
light up, and no
message is
displayed on the front panel
a. Check that the power plug is properly inserted into a functioning
power outlet.
b. Press the "POWER" button on the front panel to see if the green light
(power indicator) is on.
2. There is a message on the front
panel but no picture is displayed
on your TV screen
a. Press the "MENU" button on the remote control or front panel to call
up the On Screen Display.
b. Verify that the proper cable has been selected and installed between
the desired tuner output connector and your TV set
c. Be sure to perform a channel scan before you watch the TV program.
3. Poor picture quality
a. Confirm that the antenna is pointing in the correct direction. Perform
an "Auto Scan" to check the signal RF Level when aligning the
antenna.
b. If you use any kind of amplifier to boost the signal level, check to
verify that it is operating properly.
c. Try the solutions noted in item (2) above
4. No audio
a. Check whether the tuner and your TV's volume are properly set and
not in "MUTE" mode.
b. Check whether the audio connectors are properly connected
c. Check with the local TV stations. Sometimes they are just testing new
services on their TV or Radio channels.
5. No video
a. Check whether the tuner output and the TVs input are properly set.
b. Check whether the video connectors are properly connected
c. Scan this channel again by using "Auto Scan" and see if the video
service is restored.
d. Check with the local TV stations. Sometimes they are just testing new
video services on their channels.
6. Not all channels are available after
performing an Auto Scan.
a. Perform an Auto Scan to scan these missing channels. Once the
tuner picks up the signal, all the transmission parameters will be
stored in tuner's memory automatically.
7. No Closed Caption displayed
a. Make sure the channel you are watching carries closed caption
information.
b. Press the CC/CS button on the remote control to check for closed
caption data output.
8. Cannot receive channels after
moving the tuner between cities
a. Please consult your local dealer for how to entering the Service Mode
Menu.
9. LAN Control does not work a. Power Savings mode must be disabled for LAN control to work
properly. If unit is turned off the LAN will not be able to turn the unit
back on.
10.
Remote control does not
operate.
b. Make sure batteries are inserted correctly. Or if the batteries are worn
out, replace with new batteries.
c.
Use the remote control within a distance of about 20 feet (6 meters)
and effective angle of 15
°
(the left-right side) from the external
display.
d.
Check the IR extend cable is properly inserted into the IR IN jack.