Interface Commands - Stanford Research Systems SR865A Operation Manual

146 Programming

Interface Commands

RST
The
communications setup is not changed. All other modes and settings are set to their default
conditions and values. This command takes some time to complete. This command resets
any data scan in progress. Data stored in the buffers will be lost. See page 64 for a
complete list of setting values that result from
IDN?
The
format
In this example, the serial number is 000111 and the firmware version is 1.23.
TST?
The
*OPC(?)
The
register (see page 152).
Querying
register.
LOCL(?) { i }
The LOCL
if i=1 the SR865A will go REMOTE, and if i=2 the SR865A will go into LOCAL
LOCKOUT. The states duplicate the GPIB local/remote states. The
not recognized on the RS-232 remote interface.
In the LOCAL state both command execution and keyboard input are allowed.
In the REMOTE state command execution is allowed but the keyboard and knob are
locked out except for the [LOCAL] key which returns the SR865A to the LOCAL state.
In the LOCAL LOCKOUT state all front panel operation is locked out, including the
[LOCAL] key.
The REMOTE
REMOTE or LOCAL LOCKOUT.
The Overide Remote mode must be set to Off in order for the front panel to be locked
out. If Overide Remote is On, then the front panel is active even in the REMOTE state.
SR865A DSP Lock-in Amplifier
RST command resets the SR865A to its default configurations. The
IDN? query returns the SR865A's device identification string. This string is in the
Stanford_Research_Systems,SR865A,000111,v1.23
TST? query always returns "0".
OPC command sets the Operation Complete bit within the Standard Event Status
Always returns a "1", but does not affect the Standard Event Status
OPC?
command sets the local/remote function. If i=0 the SR865A is set to LOCAL,
indicator is directly above the [LOCAL] key and is on when the unit is in
.
RST
LOCL
Chapter 4
command is