Pelco Manual C672M (2/01) 41

SYNCHRONOUS RECORDING
Several camera images can be mixed together through a camera switcher and then
recorded separately onto several VCRs. To do so, assign a camera to each VCR. The VCR
records only the camera assigned to it. This allows recording without gaps.
If you have three VCRs, the video signals from the three cameras can be recorded
separately by connecting the switcher as shown in Figure 6.
The recording mode must be set to L18H, L24H, L30H, or L40H. Table F shows the
suitable numbers of VCRs and cameras.
CAMERA1 CAMERA3CAMERA2 CAMERA1CAMERA2 CAMERA3
REC
CAMERA2
RECREC
REC REC REC
REC REC REC
V-SYNC
Switching Cameras
SWITCHER
Recording Start signal
VCR 3 Recording
Clock out
VCR 2 Recording
Clock out
CAMERA1 CAMERA3
VCR 1 Recording
Clock out
00399

Figure 22. Synchronous Recording Sequence

Table F. Numbers of VCRs and Cameras

Recording Time Mode Number of VCRs Number of Cameras
L18H, L24H 3 Multiple of 5 (5, 10, 15, etc.)
L30H, L40H 5 Multiple of 3 (3, 6, 9, etc.)
The programming procedure is as follows:
1. Press the MENU button. The Main menu appears.
2. Turn the JOG dial to select REAR TERMINAL, and then turn the SHUTTLE ring right.
The Rear Terminal menu appears.
3. Turn the JOG dial to select REC IN, and then turn the SHUTTLE ring right.
4. (Perform steps 4 through 7 on VCR1 only.) Do one of the following:
•Turn the JOG dial to select SERIES or REC-START/STOP, and then turn the
SHUTTLE ring right.
•If the recording start signal is available on the switcher, turn the JOG dial to
select SYNC REC, and then turn the SHUTTLE ring right.
5. Turn the JOG dial to select CLOCK OUT, and then turn the SHUTTLE ring right.
6. Turn the JOG dial to select T/L-REC, and then turn the SHUTTLE ring right.
7. Turn the JOG dial to select F, and then turn the SHUTTLE ring right.
8. (Perform step 8 on all VCRs except VCR1.) Turn the JOG dial to select SYNC REC,
and then turn the SHUTTLE ring right.
9. Press the MENU button. The day and time display appears on the screen.