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36 Pelco Manual C581M-B (1/04)
TROUBLESHOOTING
If you have difficulty operating your system, run through the following checklist to see if you
can solve the problem.
1. Are the keyboard switches set properly?
2. Is the equipment wired properly?
3. Are the menu options in the multiplexer(s) and server set properly?
4. Has the multiplexer been set to the correct mode for live video or tape playback?
5. Only the main monitor displays multiple screen images. The spot monitor displays full
screen views only.
6. Patterns, presets, and auxiliaries will work in both MAIN and SPOT MONITOR. When
using the MAIN MONITOR, the SPOT MONITOR DISPLAY menu item in the Advanced
System Setup menu must be set to TRACK MAIN.
7. The auxiliary monitor (duplex multiplexer only) is controlled by programming. You
cannot control it from the keyboard or from the front panel of the multiplexer.
8. Tape playback can be done only on the main monitor (in VCR mode).
9. Moveable cameras must be Coaxitron
compatible and the proper Coaxitron format se-
lected in the Camera menu of the multiplexer. If the proper format is not selected, the
camera will either not move or have sluggish control.
10. Moveable cameras can be operated with the pan/tilt keys only if SPOT MONITOR is
chosen or if the spot monitor is programmed to track the main monitor. The camera
will move on the main monitor if the same camera is being shown on both the main
and spot monitors.
11. The position of switch 7 on the keyboard determines how you call cameras.
If the switch is ON, all cameras are addressed consecutively. Do not count just the
cameras installed. Count 16 camera inputs per multiplexer, even if a multiplexer has
only 9 inputs. The first input of multiplexer 1 is always camera 1, the first input of
multiplexer 2 is always camera 17, the second input of multiplexer 3 is always camera
34.
If the switch is OFF, cameras are addressed in groups 9 or 16 according to the
address of the multiplexer. Select a multiplexer (for example, number 3), then choose
a camera (1-9 or 1-16).
12. In the polled communication mode (switch 4 OFF), if you have one multiplexer, it must
be the master. If you have more than one multiplexer, one of them (any one) must be
the master and all the others slaves. In the non-polled mode (switch 4 ON), all
multiplexers must be slaves. Refer to the Advanced System Setup menu of the
multiplexer.
13. If you have more than one multiplexer, they must have different addresses (Advanced
System Setup menu of multiplexer).
14. If you have a server, the address of the multiplexer must correspond to the input it is
connected to on the server. For example, if the multiplexer goes to input 4 on the
server, the multiplexer must be address 4.
15. If you have a server, each keyboard must have its own address.
16. If you have a server, each keyboard controls its corresponding monitor(s). In the
SINGLE mode, keyboard 1 controls monitor 1, keyboard 2 controls monitor 2, etc.
In the PAIRED mode, keyboard 1 controls monitor 1 (main) and monitor 2 (spot), and
keyboard 3 controls monitor 3 (main) and monitor 4 (spot). In the paired mode,
keyboards 2 and 4 are not used.
17. If you have a server and cannot change between full screen and multiple screen views
on the main monitor, check the MAIN MONITOR CONTROL setting in the Monitor
menu of the server.