NED
SUi7440
UME-0031-03
40
4.12.1 Command Settings
Pixel correction is switched on and off, and correction data is obtained by sending serial
commands from a PC.
Command Setting List
C0: Factory pixel correction (white data active)
C1: User pixel correction (white data active)
K: User pixel correction (acquire black data)
W: User pixel correction (acquire white data)
L: Save user pixel correction data to internal memory
M[Val]
：
Set target data level for pixel correction
4.12.2 Operation Method
①
Put on the lens cap to create a dark environment
②
Send
「
K CR
」
via the COM port of the PC. This acquires User Black Data (256 lines
average)
③
Confirm that the reply
「
>K OK CR
」
comes back from the camera.
④
Remove the lens cap and prepare the object to be photographed
※
If a lens is attached, lens and illumination shading will be corrected at the same time.
※
It is recommended to defocus the lens when obtaining correction data
⑤
Send
「
W CR
」
via the COM port. This acquires User White Data (256 lines average)
⑥
Confirm that the reply
「＞
W OK CR
」
comes back from the camera.
⑦
Send
「
L CR
」
via the COM port. This saves User Correction Data to the internal
memory/
⑧
Send
「
M [Val] CR
」
via the COM port. This sets the Pixel Correction Target Level.
※
If the target data level is not set higher than the acquired User White data, the full
range of 8 bit data may not be used even at saturation.
⑨
Send
「
C1 CR
」
via the COM port. This activates the User Pixel Correction.
※
Send
「
C0 CR
」
to activate Factory White Correction Data.
