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MC-12 Troubleshooting & Maintenance
6-3
The MC-12 is powered on, but there is no video.
1. Examine the video cables – particularly the S-video cables – to
ensure a good connection to the associated component.
2. Check the INPUT SETUP menu VIDEO IN and COMPONENT IN
parameters to ensure the appropriate video connector is
assigned to the selected input.
RF interference is present in the audio or video.
1. Make sure the MC-12 is not positioned near unshielded TV or
FM antennas, cable TV decoders, and other RF-emitting
devices.
2. Replace unshielded cables with shielded cables wherever possible.
The MC-12 is exhibiting erratic behavior.
1. Set the rear panel power switch to the c (“off”) position. Wait
10 seconds. Then, set the rear panel power switch to the
| (“on”) position.
2. Use the MC-12 configuration tool to download the current
MC-12 configuration to a personal computer (PC) or docu-
ment all user-defined settings on the installation worksheet
that begins on page A-20. Then, follow the instructions on the
next page to restore factory-default settings.
If all else fails . . .
1. Set the rear panel power switch to the c (“off”) position. Wait
10 seconds. Then, set the rear panel power switch to the
| (“on”) position.
2. Use the MC-12 configuration tool to download the current
MC-12 configuration to a personal computer (PC) or docu-
ment all user-defined settings on the installation worksheet
that begins on page A-20. Then, follow the instructions on
page 6-4 to restore factory-default settings.
3. Contact an authorized Lexicon dealer.
4. Contact Lexicon customer service at 781-280-0300 or
www.lexicon.com.
Note:
Visit the knowledgebase at http://www.lexicon.com/kbase for
answers to frequently asked questions and additional trouble-
shooting information.
ROUTINE MAINTENANCE
The bulleted items below describe routine maintenance that
should be performed on a periodic basis.
• Clean the MC-12 exterior surface with a soft, lint-free cloth. Do
not use alcohol, benzene, acetone-based cleaners, or strong
commercial cleaners. Do not use a cloth made with steel wool
or metal polish. If the MC-12 is exposed to a dusty environ-
ment, a low-pressure blower can be used to remove dust from
its exterior surface.
• Replace the remote control batteries as needed. The remote
control requires two AA batteries. When these batteries are low
on power, the remote control enters a low-voltage condition
that prevents it from operating the MC-12. Normal operation
will resume when new batteries are installed.