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RS232C CONTROL

COMMANDS AVAILABLE FROM THE QUAD

COMPRESSOR

ACK(0A)

Response when this unit receives a command.

NAK(0B)

Response if this unit did not receive the command.

ALARM(BF)

When there is an alarm, this command is sent as header. Then,

the alarm information is sent in a 1-byte transmission (see Table

3).

ALARM information (Table 3)

Bit Bit state information

7 2-bit indication of the

alarm type

01: External alarms

6 10: Video loss alarms

11: Sensor alarms

5 Reserved 0

4 Reserved 0

3 4-bit indication of the

camera number

0011: CAMERA NO. 4

2 0010: CAMERA NO. 3

1 0001: CAMERA NO. 2

0 0000: CAMERA NO. 1

OTHER COMMANDS

ENTER(40)

When numeric commands are all sent, this command is used to

enter the transmitted value.

CLEAR(56)

To erase multiple byte commands.

L8QR5/XE (VQC-801P, VQM-801P GB) 1999. 12. 2

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