Unihedron SQM-LU, Руководство пользователя

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Unihedron SQM-LU Users manual
4.2.3 Light calibration command
Calibration of the SQM-LU is done at the factory in a controlled light and temperature environment.
Executing the Light calibration command “
zcalAx
” arms the light calibration mode. Flipping the
switch to “unlock” triggers the light calibration and modifies the calibration values in the unit.
A calibrated light source of approximately 13.5fc is supplied to the sensor
The format of the response is:
Column Example value Description
0
z
Indicates that a “Calibration” response is being returned.
1
A
Light Calibration
2
a
armed
3
L
L = Locked; Wait for unlock before calibrating after Arm command,
firmware upgrades are disabled.
U = Unlocked; Calibrate immediately after Arm command, Enable
firmware upgrade.
4-5 Carriage return (0x0d), Line feed (0x0a).
Table 4: Light calibration response
An example is:
zAaL
012345
Revision 1.1 Page 10 Last modified: Jun 18, 2011