Operating and Maintenance Instructions – 23
WVL
Wavelength Control
Sets the wavelength of the TB9 filter; the default unit is in meters (M):
•
M
=
meters
•
MM
=
millimeters
•
UM
=
micrometers
•
NM
=
nanometers
SRE i
SQR Mask
Writes a decimal number to the SRQ mask register (see the Status Reporting and Service
Request Control section). Setting a bit to 1 generates an SRQ interrupt when the
corresponding bit in the status register changes from 0 to 1.
CSB
Clear Status Byte
Resets the status byte.
CLR
Clear Device
Clears the SRQ mask register and the status register.
Query Commands
XDR? i
Driver
Returns the state of an external relay driver (i):
•
0
=
relay
driver
off
•
1
=
relay
driver
on
WVL?
Wavelength
Returns the wavelength setting:
•
WVL? returns the current wavelength setting
•
WVL? MIN returns the minimum wavelength compensation range
•
WVL? MAX returns the maximum wavelength compensation range
STB?
Status Register
Returns a three-digit integer and automatically clears the status register if the SRQ bit is set.
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