Active Silicon AS-CIB-3GSDI-002-A Manual de início rápido - Página 7
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Notes:
1) "Default camera mode": on power-up, the camera will start in the video format/mode that was
set/being used when it was last powered down. The video mode can then be changed using a
VISCA serial command).
2) Due to the high data bandwidth required, these video modes (above 1080p30) require the
camera to be set to dual LVDS mode. For other modes (1080p30 and below) the camera must
be set to single LVDS mode. When using VISCA commands to change camera video mode the
LVDS mode must be set correctly, otherwise there will be no video output from the camera.
See your camera documentation for more information on VISCA commands for setting the LVDS
mode. Note: the Harrier 36x AF-Zoom Camera (AS-CAM-36LGHD-A) does not support Dual
LVDS mode hence these video output modes not supported (output limited to 1080p30 and
below).
Set Single LVDS mode [1080p30 and below] = 81,01,04,24,74,00,00,FF
Set Dual LVDS mode [1080p50/60] = 81,01,04,24,74,00,01,FF
3) The DIP switches to select the video format are only read on power-up.
Therefore, to change mode using the DIP switches, power down the camera, set the switches
and then power up the camera. DIP switches will only be effective for the operating modes
supported by the camera currently in use.
Test Pattern
To display a static test pattern (see Figure 8), press the PGEN button on the Harrier Evaluation
Board.
Note: this button will only work if the 4-way cable is connected between the Harrier Evaluation Board
(J102) and the camera interface board (J2).
Figure 8: Static Test Pattern (PGEN pressed or set with VISCA command)
September 2020
HARRIER 3G-SDI CAMERA INTERFACE BOARD
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Version 1.2.AS - September 2020
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