IFR 2026

REMOTE OPERATION
46882/439 5-15
Frequency modulation (and FSK) (source-specific)
FM or FM1 or FM2
Set FM Deviation (short form)
:DEVN
Set FM Deviation
:INC
Set FM step size
Data type :
Decimal Numeric Program Data
Allowed suffices :
Any one of: GHZ, MHZ, KHZ or HZ
Default suffix :
HZ
:<src>
Select modulation source where <src> is any one of: INT, EXTAC, EXTALC,
or EXTDC
:ON
Turn FM ON (locally)
:OFF
Turn FM OFF (locally)
:UP
Go UP one step
:DN
Go DOWN one step
:RETN
Return to original setting
:XFER
Transfer current value to be the new setting
Data type :
None
Allowed suffices :
None
Default suffix :
None
Examples:
FM:DEVN 25KHZ;INT;ON
FM1:DEVN 15KHZ;INC 1KHZ;EXTDC
:MODF
Set FM modulation oscillator frequency (short form)
:VALUE
Set FM modulation oscillator frequency
:INC
Set FM modulation oscillator frequency step size
Data type :
Allowed suffices :
Default suffix :
Decimal Numeric Program Data
Any one of: GHZ, MHZ, KHZ or HZ
HZ
:UP
Go UP one step
:DN
Go DOWN one step
:RETN
Return to original setting
:XFER
Transfer current value to be the new setting
:SIN
Select sinusoidal waveform
:TRI
Select triangle waveform
:SQR
Select square waveform
Data type :
None
Allowed suffices :
None
Default suffix :
None
:PHASE
Set phase offset of modulation oscillator relative to current phase
Data type :
Decimal Numeric Program Data
Allowed suffices :
DEG
Default suffix :
DEG
Examples:
FM2:MODF:VALUE 1.5KHZ;SIN
FM:MODF:PHASE 1.2DEG