Programming instructions
Downloading and Using Files
User File Data Downloads
Chapter 4178
Framed Data
The following front panel key presses or remote commands will select the desired user file
from the catalog of user files as a continuous stream of framed data for the active TDMA
format.
Via the front panel:
1. Press
Mode > Real Time TDMA > desired format > Data Format Pattern Framed > Configure
Timeslots
> Configure (current active timeslot) > Data > User File.
2. Highlight the desired file in the catalog of user files.
3. Press
Select File
4. To activate the TDMA format, press Mode > Real Time TDMA > desired format > toggle the
format on.
Via the remote interface:
The following SCPI commands select and activate the user file as framed data for an NADC
uplink traffic channel in timeslot 1. The same command syntax is used for other data
transmission formats.
[:SOURce]:RADio:NADC:SLOT1:UTCHannel:DATA "BIT:<file_name>"
[:SOURce]:RADio:NADC[:STATe] On activates the NADC format.
Modulating and Activating the Carrier
The following front panel key presses or remote commands will modulate the carrier and turn
on the RF output.
Via the front panel:
1. Set the carrier frequency to 2.5 GHz.
2. Set the carrier amplitude
−
10.0 dBm.
3. Modulate the carrier.
4. Activate the RF output.
Via the remote interface:
[:SOURce]:FREQuency:FIXed 2.5GHZ
[:SOURce]:POWer[:LEVel][:IMMediate][:AMPLitude] -10.0DBM
:OUTPut:MODulation[:STATe] ON
:OUTPut[:STATe] ON