COMMAND REFERENCE
Command Reference
7/01 LDC-3700 Series 111
CHAPTER 4
The TERM? query allows the programmer to determine whether the default (IEEE488.2 standard)
terminator has been altered to include a carriage return.
Notes An altered terminator will be in the form <CR><NL><^END>. This termination will be sent with all
output until the "TERM 0" command is sent or the LDC−3700B Series Controller is powered off.
Examples "Term?" −response: 1, means that the <CR><NL><^END> terminator is temporarily being used.
"Term?" −response: 0, means that the <NL><^END> terminator (IEEE488.2 standard) is being
used.
The TIME? query allows the programmer to determine how much time has passed since the LDC−
3700B Series Laser Diode Controller was last powered up.
Notes The TIME clock is independent of the TIMER clock.
Examples "Time?" −response: 1:02.36, means that 1 minute and 2.36 seconds have passed since the LDC−
3700B Series Laser Diode Controller was powered up.
"TIME?" −response: 32:00:76, means that 32 minutes and 0.76 seconds have passed since the
LDC−3700B Series Laser Diode Controller was powered up.
The TIMER? query allows the programmer to determine how much time has passed since the last
TIMER? query was issued.
Notes Each time the TIMER? query is issued, the timer is reset to 0 and the elapsed time since the last
TIMER? query is returned.
The timer counter is initially set at power−up, the same as the TIME? counter. So the first time the
TIMER? is issued its response will be the same as if a TIME? query’s response.
Examples "Timer?" −response: 00:02:00.31, means the LDC−3700B Series Laser Diode Controller has been
on for 2 minutes and 0.31 seconds since the last TIMER? query was issued.
"TIMER?" −response: 00:00:12.03, means the LDC−3700B Series Laser Diode Controller has been
on for 12.03 seconds since the last TIMER? query was issued.
Action Performs internal self−test, then reports results.
Response 0 = test completed with no errors.
Non−zero = test not completed, or was completed with errors.
Example TST?
TERM?
COMMON
DEVICE DEPENDENT
FRONT PANEL
TIME?
COMMON
DEVICE DEPENDENT
FRONT PANEL
TIMER?
COMMON
DEVICE DEPENDENT
FRONT PANEL
*TST?
Test?
COMMON
DEVICE DEPENDENT
FRONT PANEL
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