2.3 Connections / Tact Switch Operation & Lens Control
All are on the flying lead of the camera. As default, the camera is set to TVI in HD mode
1. 12VDC/24VAC power connection (12VDC is polarity dependant)
2. Black BNC: TVI & AHD (1080p)
3. Yellow BNC: CVBS (700TVL)
On the inside of the VVRD28V12MHDAIRSW, there is a PCB which provides access to the
tact switch for the OSD
For switching the HD output from TVI to AHD, please see OSD / SYSTEM / OUTPUT /
ANALOG OUT0.
Tact Switch for OSD control
1. Left
2. Up
4. Enter (to access OSD)
5. Right
6. Down
Tact Switch for motorized lens control.
Without being in the OSD:
Up
– Zoom in
Down
– Zoom out
The lens will then autofocus the lens based on the overall scene being viewed.
NOTES:
The camera is only able to output one signal at a time.
If your DVR supports coax telemetry, for TVI select TVI / Hik-C. For AHD select
Fastrax-C / ACP-PTZ
– this will give menu access from the DVR (you will need to
refer to the DVR manual for the commands).