ST1952 Operation Manual
70
EXT
Triggered by Handler inetreface
Query:
:SOURce?
Query control source
Description:
These are used to select the event control source.
6.3.13 FETCH Subsystem
FETCh? Command
Command syntax:
:FETCh?
Description:
This query command is used to obtain the lastest post-processed reading. This command does not
affect the configuration of the instrument.
This command does not trigger a measurement. The command simply requests the last available
reading. This command continues to return the same old reading, until there is a new reading.
This command will be automatically asserted when :READ? or :MEASure? command is sent.
6.3.14 SPEED Subsystem
:SPEED < >
ON: set the speed as FAST
OFF: Set the speed as SLOW
PLAC4: set the digit display as 4½
PLAC5: set the digit display as 5½
This query command is used to query the current speed. The result is:
1: FAST
0: SLOW
Function: set the measurement speed.
Instruction: the measurement speed is set as:
4½+FAST
= FAST
4½+SLOW=5½+FAST = Medium
5½+SLOW
= SLOW
6.3.15 RETURN Subsystem
:RETURN < >
ON
set the return function as ON
OFF
set the return function as OFF
Function:
Set the bus command response function as ON/OFF.
Instruction: when verifying the return function, only sending one command without return data can
