CV-M77
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6.2. Input/Output of HD/VD Signal
6.2.1. Input of External HD/VD signals
This setting is factory pre-set. The video output is synchronized with external HD/VD signals if
applied. If no ext. HD signal is input, the camera will switch to the internal X-tal controlled HD
sync. If no ext. VD is connected, the camera will continue with its internal VD.
For details: refer to “7. Configuring the Camera”.
To use this mode:
Set function:
SW 303.1 and 303.2 to ON for external HD/VD input.
Factory default.
SW 301.1 and 301.2 to OFF for TTL level for HD/VD.
Factory defaults
SW 301.1 and 301.2 to ON for 75
Ω
termination of HD/VD.
.
Input:
Ext. HD in on pin 6 on 12-pin connector. 4.0 Vp-p ±2.0V.
Ext. VD in on pin 7 on 12-pin connector. 4.0 Vp-p ±2.0V.
Important notes on using this mode
External sync system should follow the camera scanning system.
The ext. HD/VD phase relations should follow as shown in fig. 10.
Fig. 10. External VD and HD phase relation
6.2.2. Output of Internal HD/VD signals
Internal HD/VD signals can be output for synchronizing external equipment.
For details: refer to “7. Configuring the Camera”.
To use this mode:
Set function:
SW 303.1 and 303.2 to OFF for internal HD/VD output.
Output:
Int. HD out on pin 6 on 12-pin connector. 4.0 Vp-p from 75
Ω
source.
Int. VD out on pin 7 on 12-pin connector. 4.0 Vp-p from 75
Ω
source.
