5.2 VCR CONTROL
VCRs can be connected and controlled via a CM9760 system and CM9760 key- board in the following configurations:
1.Via a start/stop signal from the Pelco Alarm Interface Unit (no full control)
2.Via a Relay Interface unit, enabling remote control using the CM9760 key- board
3.Via a Pelco
VCRs can be controlled from the CM9760 keyboard if
1.The VCRs have been modified appropriately. For instance, it might be neces- sary to add hardware that provides alarm signal feedback.
2.Appropriate Pelco interface equipment is included.
3.VCR video outputs are connected as inputs to the Pelco CM9760 System.
5.2.1VCR Recording with the Pelco Alarm Interface Unit (AIU)
Manual operation: in this configuration the VCR is connected from a CM9760 output in series to a video monitor. With an appropriate Pelco installation, and where a
1. Press | . |
The corresponding key will illuminate, while the Alarm Interface Unit (AIU) will trigger the VCR to start recording.
2. To stop the VCR, press | once again. |
5.2.2 VCR Control Via the Pelco IR Controller
In Pelco
, | , | , | , | , and | . |
Via the Pelco IR controller, a single general purpose interface (GPI) is used to control four VCRs, and a maximum of up to 32 GPIs can be accommodated by a single IR controller.
Up to 16 IR Controllers can be connected to a single CM9760 system. Sixteen fully populated IR Controllers provide control over 2048 VCRs.
To control VCRs, see Section 5.3 GPI control.
Pelco Manual C540M (6/98) | 23 |