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C1555M-G (12/07) 61
Monitor Display Problems
Problem: Text characters (such as in camera titles) do not display properly.
Solution: The CM9770-VMC monitor output card in the matrix bay may not be set for the correct video format (NTSC or PAL). Check switch 1 on
the DIP switch and verify that the switch is in the correct position, as identified in Table N. Refer to Figure 40 for an illustration of the
DIP switch.
Table N. Monitor Output Card DIP Switch 1
Problem: The CM9770-MXB color bars display in black and white, instead of the appropriate colors.
Solution: The CM9770-VMC monitor output card in the matrix bay may not be set for the correct video format (NTSC or PAL). Check switch 1 on
the DIP switch and verify that the switch is in the correct position, as identified in Table N. Refer to Figure 40 for an illustration of the
DIP switch.
LED Indicators on the Power Supply Module
Problem: If two power supply modules are installed in the matrix bay, the following LED indicators on a power supply will signify that the
power supply is not working.
Solution: First verify that the inactive power supply is seated properly in the matrix bay frame, and is turned on. If it is, the power supply may
have blown a fuse. Refer to How to Replace the Fuse in a Power Supply Modulein the Installation section for instructions.
Switch 1 Video Format
ON PAL
OFF NTSC
Front Panel Label Color LED State
+ Green On
- Green Off
VF Red Flashing
PF Red On