HP ESG-D Series, User Manual

Page: 522 / 712

5-386
Hardkey and Softkey Reference
Mode - TETRA
Sync Out Offset
Press this softkey to move the synchronization signal forward or back from the
beginning of the data pattern, frame, or timeslot. To set the number of bits of
offset, press
Sync Out Offset
and synchronization offset becomes the active
function. Enter the desired value using the front panel knob, up and down arrow
keys, or enter the value using the numeric keypad and press the
Enter
terminator
softkey. The range of values allowed is
−
509 t509 bits.
Softkey Location: Press
Mode
,
TETRA
,
Data Format Pattern Framed
,
More (1 of 2)
,
Sync Out
,
Sync Out Offset
Status after Normal Preset: 0 bits
SCPI Commands:
[:SOURce]:RADio:TETRa:SOUT:OFFSet <value>
[:SOURce]:RADio:TETRa:SOUT:OFFSet?
TETRA Off On
Press this softkey to enable the TETRA communications standard. Setting
TETRA Off On
to
On
sets up the internal hardware to generate the structure that
follows the TETRA standard. The internal I/Q modulator generates
π
/4DQPSK
digital modulation and the
TETRA
and
I/Q
annunciators are turned on in the
display. Although the digital modulation is enabled with this softkey, the RF
carrier is modulated by the enabled modulation only when you have also set
Mod On/Off
to
On
.
Setting
TETRA Off On
to
On
presets the following softkeys in the I/Q menu:
I/Q Off On
is set to
On
and
I/Q Source
is set to
Int I/Q
. You can override these
selections in the I/Q menu.
Softkey Location: Press
Mode
,
TETRA
,
TETRA Off On
Status after Normal Preset: Off
SCPI Commands:
[:SOURce]:RADio:TETRa[:STATe] ON|OFF|1|0
[:SOURce]:RADio:TETRa[:STATe]?