
Remote Commands
R&S
®
FSMR3000
594
User Manual 1179.0116.02 ─ 02
OFF | 0
Switches the reference off.
ON | 1
Switches the reference on
Example:
//Output reference signal of 100 MHz.
ROSC:O100 ON
Manual operation:
See
[SENSe:]ROSCillator:EXTernal:FALLback
<State>
Defines how the instrument reacts if an external reference is selected but none is avail-
able.
Parameters:
<State>
ON | OFF | 0 | 1
OFF | 0
If no valid external reference signal is available, the error mes-
sage "External reference missing" is displayed. Additionally, the
flag "NO REF" is displayed to indicate that no synchronization
was performed
for the last measurement
.
ON | 1
If no external reference is available, the instrument automatically
switches back to the internal reference. Note that you must re-
activate the external reference if it becomes available again at a
later time.
*RST:
0
Manual operation:
See
"Behavior in case of missing external reference"
SOURce<si>:EXTernal<ext>:ROSCillator:EXTernal:FREQuency
<Frequency>
This command defines the frequency of the external reference oscillator.
If the external reference oscillator is selected, the reference signal must be connected
to the rear panel of the instrument.
Suffix:
<si>
.
1..n
<ext>
1..n
Parameters:
<Frequency>
Range:
1 MHz to 50 MHz
Default unit: HZ
Example:
ROSC:EXT:FREQ 13MHZ
Sets the frequency to 13 MHz.
SOUR:EXT:ROSC:EXT:FREQ 13MHZ
Manual operation:
See
Configuring the R&S
FSMR3