SWEep:TIME? [MINimum|MAXimum]
Query the sweep time. Returns a value in seconds.
SWEep:STATe {OFF|ON}
Disable or enable the sweep mode. To ensure proper operation, you
should enable the sweep mode after you have set up the other sweep
parameters. Only one modulation mode can be enabled at a time. When
you enable the sweep mode, the previous modulation mode is turned off.
SWEep:STATe?
Query the state of the sweep mode. Returns “0” (
OFF) or “1” (ON).
TRIGger:SOURce {IMMediate|EXTernal|BUS}
Select the trigger source. In the triggered sweep mode, the function
generator outputs a single sweep each time a trigger is received. After
one sweep from the start frequency to the stop frequency, the function
generators waits for the next trigger while outputting the start frequency.
The default is IMM. [ Stored in volatile memory ]
When the Immediate (internal) source is selected, the function
generator outputs a continuous sweep at a rate determined by the
sweep rate specified (SWE:TIME). The APPLy command automatically
sets the trigger source to IMMediate.
When the External source is selected, the function generator will
accept a hardware trigger applied to the rear-panel Ext Trig terminal.
The function generator outputs one sweep each time each time
Ext Trig receives the rising edge of a
TTL pulse. The Trig annunciator
turns on when the function generator is waiting for an external trigger.
When the Bus (software) source is selected, the function generator
outputs one sweep each time a bus trigger command is received.
To trigger the function generator from the remote interface (
GPIB or
RS-232), send the *TRG (trigger) command.
To ensure synchronization when the Bus source is selected, send the
*WAI (wait) command. When the *WAI command is executed, the
function generator waits for all pending operations to complete before
executing any additional commands. For example, the following
command string guarantees that the first trigger is accepted and
executed before the second trigger is recognized.
"TRIG:SOUR BUS;*TRG;*WAI;*TRG;*WAI"
Chapter 4 Remote Interface Reference
Frequency Sweep Commands
172
To Next Page
Loading...
Need help?
General
