2500A Chapter 3: Remote Operation
82 2500A Series Operation Manual, 34172 Revision C, March 2008
3.4 2500A Specific Commands
The commands in the following table are specific to the 2500A Series of instruments, and are indepen-
dent of the SCPI and GT-12000 native command sets.
*RST Reset Sets the device-specific functions to a known state that
is independent of the past-use history of the device. The
command does not reset any part of the status
reporting system
*SRE <sre> Service Request Enable Sets and enables the value of the Service Request
Enable Register
Range of <sre>: 0 to 255
*SRE? Service Request Enable Returns the value set by the *SRE command for the
Service Request Enable Register
*STB? Read Status Byte Returns the value of the current state of the Status
Byte
*TST? Self-Test Self-Test Query. It returns '0' if the test succeeds, and
'1' if the test fails
The test sets a predefined group of CW frequencies
and power levels. After each frequency and power is
set, the firmware reads the instrument's LOCK/
LEVEL status. If failing the lock/level, the test is failed.
In order to avoid damage to the device the 2500A is
connected to, maximum attenuation is set if it is
available, or the power level is set to minimum for the
duration of the test. The system will be restored to the
pre-test condition upon completion
*WAI Wait-to-Continue Causes the synthesizer to complete all pending tasks
before executing any additional commands
Table 3-14: 2500A Specific Commands
Command Name Description
*RCL <reg> Recall Instrument State Recalls a previously saved instrument state from
memory
Range of <reg>: 0 - 9
*SAV <reg> Save Instrument State Saves the current instrument state to memory
Range of <reg>: 0 - 9
*TRG Trigger Device Triggers the synthesizer if BUS is the specified trigger
source (see “TRIGger:SOURce BUS|EXTernal” on
page 76).
/SCPI SCPI Changes command syntax to SCPI
/NATive Giga-tronics Native Change command syntax to GT-12000 "native"
Table 3-13: IEEE 488.2 Common Commands
Command Name Description
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