Other functions, Cv-m2 – JAI CV-M2 User Manual
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CV-M2
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6.5. Other Functions.
The following functions are described under their short ASCII command name.
BA: Output bit allocation
With this function the number of bits in the Camera Link video output can be selected to 10 or
8. If 8 bit is selected it is the 8 most significant bits. For the bit allocation in Camera Link
output, please refer to “5.4.5. Camera Link interface” and to fig. 7.
MN: Monitor mode
In normal mode (TR=0) and full frame (SC=0) the output command (OS=2) selects the composite
analogue monitor video system. MN=1 for CCIR (50 FPS, 313 lines, 290 active lines). MN=0 for EIA
(60 FPS, 263 lines, 240 active lines). The line frequency is 15.734 kHz. The video can be seen on
a standard monitor with the command OS=2. SW1.1 can also be used. SW1.1 has highest priority.
TI: Trigger input select
To select the trigger input via Camera Link or pin #10 on Hirose connector as a TTL signal. The
trigger input can also be selected by the internal switch, which has highest priority.
TP: Trigger polarity
This command can change the trigger polarity.
GS: Gamma select
To select gamma 1 or 0.45. 1 is linear relation between scene luminance and video output. 0.45
will expand the contrast in dark and compress the contras in light parts of the scene.
RP: Rear pot
Select master gain from the potentiometer or RS-232C. Sw1.4 has highest priority.
AU: Auto dual adjust
This function is used to calibrate the 2 channels to have same black level and gain.
ABA (Automatic Black Adjust) is a one-push function to align the black level for the 2 channels.
AWA (Automatic White Adjust) is a one-push function to align the white level for the 2 channels.
BL: Black level master
BLF: Black level fine. Right
To adjust the black level for both channels and to fine adjust the R channel.
GA: Gain level master
GLR: gain level fine. Right
To adjust the gain for both channels and to fine adjust the R channel.
KL: Knee point master
KNF: Knee point fine. Right
To adjust the Knee point for both channels and to fine adjust the R channel.
Important notes on using this functions.
Adjusting the gain and black level settings should only be done when the camera is on its
operation temperature. >30 minutes after power on.