
Sentech STC-400 Series Application Manual
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(2) Rear Panel (continued)
(A) 12-Pin Connector for Power and Control Signals
Connector for power, external sync signals, and video output. This connector is usually connected to power supply, sync signal generator
(or sync source), and video monitor. Please see below for the 12-pin connector’s pin assignments.
(B) Manual Gain Control Adjustment
When the Gain Select Switch is in the “Manual” mode, this gain of the video amplifier is adjusted by turning this adjustment. The user
can adjust the gain of the camera from 0 to 25 dB as desired.
(C) Gain Select Switch (Manual or Fixed)
Manual gain mode is selected by setting this switch to the left. Fixed gain is selected by setting this switch to the right (factory setting
default). Manual gain value is set by the (B) “Manual Gain Control Adjustment” (see above).
(D) Video Output Connector (BNC)
Video signal output connector for the camera’s composite monochrome signal.
(3) 12-Pin Connector Pin-Out
Pin No. Internal Sync External Sync
1 GND GND
2 +12Vdc +12Vdc
3 Video GND Video GND
4 Video Out Video Out
5 HD GND HD GND
6 HD Out HD In
7 VD Out VD In
8 Clock GND Clock GND
9 Clock Out Clock Out
10 GND GND
11 +12Vdc +12Vdc
12 VD GND VD GND
Note: The mating connector is the Hirose HR10A-10P-12S
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