Bristol 671 - Appendix F - Logged Status Messages

Model 671 User’s Manual APPENDIX F – LOGGED STATUS MESSAGES
Bristol Instruments, Inc. 58
APPENDIX F – LOGGED STATUS MESSAGES
The 671 Laser Wavelength Meter reports the instrument status at each measurement as
a hexadecimal number in the log file. The hexadecimal number corresponds to a set of
status messages that are explained in the table below. For additional information about
the status messages, please contact Bristol Instruments.
Hexadecimal Code
Status Message
Description
0x10
Scan Direction
This indicates the direction of the scan that each
measurement was collected on. This bit is set for left
scans, and not set for right scans.
0x100
Input Power High
The instrument has detected a power measurement
that is outside of the specified range of the instrument.
0x200
Input Power Low
The instrument has detected a power measurement
that is outside of the specified range of the instrument.
0x800
Reference Laser Not
Stable
This indicates that the internal HeNe reference laser of
the model A has not stabilized yet.
0x2000
Temperature Over Range
This indicates that the instrument temperature is
outside of the allowed range of 0C to 50C for the
temperature sensor, or that there is a problem with the
sensor. Measurement will continue using the
temperature at the end of the allowed range closest to
the temperature sensor’s reading.
0x4000
Temperature Under
Range
This indicates that the instrument temperature is
outside of the allowed range of 0C to 50C for the
temperature sensor, or that there is a problem with the
sensor. Measurement will continue using the
temperature at the end of the allowed range closest to
the temperature sensor’s reading.
0x8000
Pressure Over Range
This indicates that the ambient pressure is outside of
the allowed range of 500 to 900 mm Hg, or that there
is a problem with the pressure sensor. Measurement
will continue using the pressure at the end of the
allowed range closest to the pressure sensor’s
reading.