Unihedron SQM-LU-DL-V, Operator'S Manual

Page: 69 / 105

8.3 Calibration commands
Table 8.12 – continued from previous page
Column Example value Description
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).
An example of the response is:
zxdL
012345
8.3.5 Manually set light calibration offset
Calibration is done at the factory, however, in the case where calibration values must be restored or set to something else,
this command allows a new calibration value to be placed into the meter.
Executing the command “
zcal5########.##x
” manually sets the light calibration offset to the value specified in
“
########.##
”. The units are
magnitudes
arcsecond
2
.
The format of the response is shown in table: 8.13:
Table 8.13: Response for manual setting of light calibration offset
Column Example value Description
0
z
Calibration response is being returned.
2
5
Manual Set Light Calibration Offset
4-15
00000017.60m
Value that was set into EEPROM
16-17 Carriage return (0x0d), Line feed (0x0a).
An example of the response is:
z,5,00000017.60m
0123456789 1234567
8.3.6 Manually set light calibration temperature
Calibration is done at the factory, however, in the case where calibration values must be restored or set to something else,
this command allows a new calibration value to be placed into the meter.
The “Light calibration temperature” is the temperature of the meter when the meter was calibrated for its “Light
calibration offset”.
Executing the command “
zcal6########.##x
” manually sets the light calibration temperature to the value specified
in “
########.##
”. The units are
º
C.
Note: The meter records the temperature in a raw value with different resolution, so the reply back may not be exactly
the same as the value sent.
The format of the response is shown in table: 8.14:
Unihedron SQM-LU-DL-V Operator’s Manual -
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