8.4 Snow LED accessory
Table 8.16: Response for manually setting of dark calibration temperature
Column
Example value
Description
0
z
Calibration response is being returned.
2
8
Manual Set Dark Calibration temperature.
4-9
019.0C
Value that was set into EEPROM
10-11
Carriage return (0x0d), Line feed (0x0a).
An example of the response is:
z,8,019.0C
0123456789 1
8.4 Snow LED accessory
An LED used for determining snow cover on the meter can be attached to an internal pin of the SQM-LU-DL-V . This
LED shines green light out of the meter and the light sensor will see a reflection if snow is covering the meter (housing
cap). The light meter reading will be unchanged with no snow present, and about 1.6
mag
arcsec
2
brighter with snow cover
present.
Table 8.17: LED accessory command summary
Command
Description
A50x
Turn off the Snow LED accessory.
A51x
Turn on the Snow LED accessory.
A5ex
Enable Snow LED logging (while on battery power).
A5dx
Disable Snow LED logging (while on battery power).
A5x
LED accessory status.
Table 8.18: LED accessory response summary
Position
Example value
Description
0-2
A5,
Confirmation Snow LED accessory command.
3
n
Where
n
= 0 indicates the Snow LED is Off.
1 indicates the Snow LED is On.
4
m
Where
m
0 indicates the Snow LED is dsiabled .
1 indicates the Snow LED is enabled.
Carriage return (0x0d), Line feed (0x0a).
An example response to “
A5x
” is:
A5,0
Unihedron SQM-LU-DL-V Operator’s Manual -
20211013
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Summary of Contents for SQM-LU-DL-V
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