Agilent Technologies E6380-90073 Manuale Utente

Pagina di 352
Chapter 1
267
GPIB Command Dictionary
MEASure subsystem
:DEC:NAMP:DTMF:LOW:FREQuency:ABSolute <meas cmnd>
:DEC:NAMP:DTMF:LOW:FREQuency:ABSolute?
These commands set/query the frequency of the low tone in the DTMF 
pair. The MEAS:DEC:NAMP:DTMF:LOW:DISP ‘Freq’ command must 
be used to display the absolute frequency of the low tone.
Syntax
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ABS 
MEAS:DEC:NAMAP:DTMF:LOW:FREQ:ABS? !returns up to 19 real 
values
Screen/field equivalent
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ABS? reads the 
Lo Tone
 
column on the SIGNALING DECODER screen when the 
Mode
 field is 
set to 
NAMP-NTAC
, the 
Measure
 field is set to 
DTMF
, and the upper 
subfield of the 
Lo Tone
 field is set to 
Freq
, and the 
Channel
 field is set 
to 
Voice
:DEC:NAMP:DTMF:LOW:FREQuency:ERRor <meas cmnd>
:DEC:NAMP:DTMF:LOW:FREQuency:ERRor?
These commands set/query the frequency error of the low tone in the 
DTMF pair. The MEAS:DEC:NAMP:DTMF:LOW:DISP ‘Frq Err’ 
command must be used to display the frequency error of the low tone.
Syntax
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR 
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR? !returns up to 19 real 
values
Screen/field equivalent
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR? reads the 
Lo Tone
 
column on the SIGNALING DECODER screen when 
Mode
 field is set to 
NAMP-NTAC
, the 
Measure
 field is set to 
DTMF
, and the upper subfield of 
the 
Lo Tone
 field is set to 
Frq Err
, and the 
Channel
 field is set to 
Voice
.