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Features and Functions 2
34980A User’s Guide 47
• The instrument sets the scan interval to immediate (0 seconds) after a
Factory Reset (*RST command). An Instrument Preset (SYSTem:PRESet
command) or Card Reset (
SYSTem:CPON command) does not change
the setting.
Front Panel Operation: Scan (Configure) > INTERVAL > SCAN INTERVAL
To initiate the scan and store all readings in memory, press the
Scan (Measure) key. Between scan sweeps, “WAITING FOR TRIG” will be
displayed on the front panel.
Note: To stop a scan, press and hold the Scan (Measure) key.
Remote Interface Operation: The following program segment configures the
instrument for an interval scan.
Note: To stop a scan, press and hold the Scan (Measure) key.
Manual Scanning
In this configuration, the instrument waits for either a front-panel key
press or a remote interface command before sweeping through the
scan list.
• All readings from the scan are stored in non-volatile memory.
Readings accumulate in memory until the scan is terminated (until the
trigger count is reached or until you abort the scan).
• 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 scan. See “Trigger Count” on page 49 for more
information.
• Mx+B scaling and alarm limits are applied to measurements during a
manual scanning operation and all data is stored in non- 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.
TRIG:SOURCE TIMER
TRIG:TIMER 5
TRIG:COUNT 2
INIT
Select interval time mode
Set the scan interval to 5 seconds
Sweep the scan list 2 times
Initiate the scan