3
Features and Functions
154
Keysight 34980A Mainframe User’s Guide
– You can specify a trigger count which sets the number of front-panel key
presses or scan trigger commands that will be accepted before terminating the
on page 157 for more information.
– Mx+B scaling and alarm limits are applied to measurements during a manual
scanning operation and all data is stored in volatile memory.
Front Panel Operation:
Scan (Configure) > INTERVAL > MANUAL
To initiate the scan and store all readings in memory, press the
Scan (Measure)
key.
Note:
To stop a scan, press and hold the
Scan (Measure)
key.
Remote Interface Operation:
The following program segment configures the
instrument for a manual scanning operation.
Then, send the
*TRG
(trigger) command to begin each scan sweep. The
*TRG
command will not be accepted unless the internal DMM is in the
“wait-for-trigger” state.
Note:
To stop a scan, send the
ABORt
command.
Scanning on Alarm
In this configuration, the instrument initiates a scan each time a reading crosses
an alarm limit on a channel. You can also assign alarms to channels on the digital
modules (34950A and 34952A). For example, you can generate an alarm when a
specific bit pattern or bit pattern change is detected on a digital input channel or
when a specific count is reached on a totalizer channel.
TRIG:SOURCE BUS
TRIG:COUNT 2
INIT
Select bus (manual) mode
Sweep the scan list 2 times
Initiate the scan
NOTE
For complete details on configuring and using alarms, refer to
