Remote Control Commands
R&S
®
SMC100A
262
Operating Manual 1411.4060.32 ─ 04
Example:
FREQ:STEP 50 kHz
sets the step width for the frequency setting to 50 kHz.
FREQ:STEP:MODE USER
actives this step width for frequency variation with the rotary knob
(manual control) and with frequency values
UP/DOWN
(remote
control).
7.12.5 SOURce:INPut Subsystem
The
SOURce:INPut
subsystem contains the commands for configuring the inputs for
external modulation signals. The instrument trigger setting influences all sweeps (Instru-
ment Trigger).
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[:SOURce<hw>]:INPut:MODext:IMPedance
<Impedance>
This command sets the impedance for external feed via the MOD EXT input.
Parameters:
<Impedance>
HIGH | G600
HIGH
> 100 k0hm to ground
*RST:
HIGH
Example:
INP:MOD:IMP HIGH
the EXT MOD input is set to > 100 kOhm to ground.
[:SOURce]:INPut:TRIGger:SLOPe
<Slope>
Sets the polarity of the active slope of an externally applied trigger signal at the trigger
input (BNC connector at the rear of the instrument).
The setting is effective for both inputs at the same time.
Parameters:
<Slope>
NEGative | POSitive
*RST:
POSitive
Example:
INP:TRIG:SLOP NEG
the active slope of the external trigger signal at the trigger input is
the falling slope.
7.12.6 SOURce:LFOutput Subsystem
This subsystem contains the commands for setting the LF signal source in CW and
Sweep mode as well as for analog modulation.
SOURce Subsystem
