User's Manual

Front Panel Operation 3-32
DataNex EMS Wireless, DATA-20 Digital Radio
1. Power-up the unit and navigate the LCD screens as follows:
CONFIGURE
QAM Radio Launch
TXA
Freq
QAM Radio TX Config
MHzxxxx.xx
1. Using the cursors, change to the desired frequency. Press ENTER and the TX will
most likely lose AFC LOCK.
2. Navigate the LCD screens to monitor the AFC voltage as follows
STATUS
QAM Radio Launch
TXA
AFC
VDC
TX
%
LO
Xctr %
50
50
4.5
1. Ensure that the voltage reads 0.5 to 9.5 +/- .25 VDC.
2. The TX should achieve AFC LOCK and the operation is successful.
3.6.2 AFC Level—RX
It is possible to change the operating frequency of the receiver via the front panel.
Before changing frequency ensure that this is carried out in a controlled environment with test
equipment to ensure that you are transmitting the defined frequency:
1. Power-up the unit and navigate the LCD screens as follows:
CONFIGURE
QAM Radio Launch
RXA
Freq
QAM RADIO RX Config
MHzxxxx.xx