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Disable Calibration Mode
DCM
(AD analog response time is less than 100 us in
this mode)
Others
Command Error
Read Device Status
– Read the product status. A return value of 32-Bit
digital information. The meaning of each Bit is as
follows (undefined or 'reserved' Bit negligible):
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
STA
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Normal operation
Authorization time
Normal
Temperature too high
Emission off
Emission on or in preparation
No high reflection
High reflection Abnormal
External AD mode=off
External AD mode=on
Power Correction Mode=off
Power Correction Mode=on
Normal
Sub-controlling communication
abnormal
Normal
Sub-module abnormal
Guide red light=off
Guide red light=on
The laser is not ready
The laser is ready
QCW mode=off
QCW mode=on
Module Main Power=off
Module Main Power=on
Modulation mode=off
Send: 'DCM\r'
Return: 'DCM\r'
Send: 'BGM\r'
Return: 'Command Err!\r'
Send: 'STA'
Return: 'STA:4100'
returned value 4100(Decimal) can be
converted to 0 x1004 (hexadecimal), and
then converted to binary to see that Bits2
and 12 have been set. The laser enable is
on and the modulation mode is enabled.
44
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