Racal Instruments 3155, User Manual

Page: 158 / 202

User Manual 3155
Programming Reference 4-48
INSTrument Sub-
system
A dual channel arbitrary waveform generator is considered as two
logical instruments. The INSTrument subsystem provides a mecha-
nism to identify and select instrument channels. Factory defaults after
*RST are shown in bold typeface. Parameter low and high limits are
given where applicable.
Keyword Parameter Form Default, Low Limit,High
Limit
:INSTrument (?) {1|2} 1
:COUPle (?) {OFF|ON|0|1} OFF
:MODE (?) (MASTer|SLAVe) MASTer
:PHASe (?) <phase> 0 ,0,n
:SET {0|1|2} 0 ,0,2
INSTrument:COUPle{OFF|ON|0|1}
Purpose
This command enables daisy-chained instruments to operate in multi-instrument synchronization mode.
•
ON or 1 sets the couple mode on
•
OFF or 0 sets the couple mode off
Parameter type
Discrete
INSTrument:COUPle?
Response and default
The 3155 returns 0, or 1 depending on the present instrument couple setting. Default value is 0.
INSTrument:COUPle:MODE{MASTer|SLAVe}
Purpose
This command selects master and slave instruments in multi-instrument synchronization mode. Note that
only one instrument in a chain may be set as master. All other instruments must be set as slaves.
•
MASTer sets the master instrument
•
SLAVe sets the slave instrument
Parameter type
Discrete
INSTrument:COUPle:MODE?
Response and default
The 3155 returns MAST, or SLAV depending on the present INST:COUP setting. Default value is MAST.