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Scan Operates By Itself - Honeywell HD6 Series User Manual

Ptz camera in a dome.
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12.4 VIDEO, BUT NO CONTROL, CONTINUED
Systems Operating at 19.2K Baud (MUX-100 protocol) – Manually control the
scan for 5 seconds. Verify the scan responds and the red LED (D5) on the receiver
board lights for 5 seconds.
Systems Operating with Pelco P or D Protocol – Manually control the scan for 5
seconds. Verify the scan responds and the red LED (D5) on the receiver board
lights for 5 seconds. If the red LED (D5) is flashing, faulty data is being received.
System Operating with Honeywell VCL Protocol or Pelco P or D Protocol –
Check the wiring to make sure the polarity is correct (TX+ to RX+ and TX- to RX-).
6. If you are using the HD6 with a Pelco P code control system, verify the baud rate of
the control unit is set at 4800.
7. If you are using the HD6 with a Pelco D code control system, the baud rate of the
control unit must is set at 2400. Verify this value.
8. The baud rate of the HD6 can be selected using the S4 DIP switches.
Verify that the HD6 and the controller are set for the same baud rate.
The same is true of parity (no parity or even parity).
9. Wiring - Make sure the data wiring is connected at the terminal strip in the housing.
Make sure bare wires are not touching each other. Make sure the wire insulation is
stripped back far enough for a good connection.
10. If multiple scans are in the system, exchange the scan in question with a scan from
another dome. Set the address of the exchange scan to the existing unit. Call up
the scan (camera) using the controller. If control returns, the problem is isolated to
the scan.

12.5 SCAN OPERATES BY ITSELF

Possible solution:
1. Remove power from all system components and then return power.
2. This can be caused by very noisy control data, incorrect control data, or having the
scan set for the wrong protocol. Verify protocol settings.
Rev. 1.02
113
900.0679
22-June-2006

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