User's Manual

3-31 Front Panel Operation
DataNex EMS Wireless, DATA-20 Digital Radio
3.4.21 QAM Radio RX Configure
Freq
QAM Radio RX Config
MHzxxxx.xx
LO Side
QAM Radio RX Config
LOW
LO Freq
MHz
1020.0000
LO Step
KHz
25.0
press
'ENTER'
press
'ESC'
Save Setting ? No
press "Left
arrow" to say
YES
press
'ENTER'
Function Settings Summary
FREQ 2300.00MHz Displays the frequency of the receiver and allows the
user to make frequency changes.
LO Side LOW
HIGH
LOW: LO freq is less than carrier freq.
High: LO freq is greater than carrier freq.
LO Freq 2370.00 MHz
LO Step 25.0 KHz Programming frequency step size
3.5 NMS/CPU PC Configuration Software
The NMS/CPU card is configured with a Windows-based PC software package. The hardware is
accessed through the serial port on the NMS card back panel. See the manual for EMS Wireless
DATA-20 Configuration Software for more information.
3.6 Up/Down Converter: Frequency Adjust
3.6.1 TX Frequency Adjust
It is possible to change the carrier frequency of the transmitter 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: