GE MDS 4790 Series Installation & Operation Manual page 77

Receive
Frequency
R e c ei v e F re q u e n c y
4 0 0. 0 0 0 0 0 M H z
Output Power
Setting [37-20]
O u t p u t P ow e r S e t t i n g
3 0 d B m
Modem
M o d e m
4 8 0 0
MDS 05-3438A01, Rev. F
RSPSupply - 1-888-532-2706 - www.RSPSupply.com
http://www.RSPSupply.com/p-8457-MDS-UP-9790X.aspx
NOTE:
Changing the transmitter's operating frequency may result in degraded or
out-of-specification
Frequency Change Considerations, beginning on Page 89
change.
Use this screen to set or show the receive frequency.
Normally, the radio ships programmed with the customer-specified frequency. If
you did not specify the operating frequency when the radio was ordered, the factory
sets the RX frequency to the center of the radio's operating band. The range of
frequencies for standard models are provided in
Specifications, beginning on Page
To change the current frequency, press ENTER, then press the left/right arrow
buttons to select a digit. Use the up/down arrow buttons to increase or decrease
the number. Press ENTER to make the change.
NOTE:
Changing the receiver's operating frequency may result in degraded or
out-of-specification
Frequency Change Considerations, beginning on Page 89
change.
Use this screen to set or show the transmit power output setting. Set power output
from +37 dBm to +20 dBm.
To change this value, press ENTER, then use the left/right arrow buttons to select
a digit. Use the up/down arrow buttons to increase or decrease the number. Refer
to Table 18 to convert dBm to watts if necessary. Press ENTER to make the
change.
Table 18. dBm Vs. Watts
dBm
+37 dBm 5.0 watts
+35 dBm 3.2 watts
+33 dBm 2.0 watts
+31 dBm 1.25 watts
+29 dBm 800 milliwatts
Use this screen to set or show the internal modem speed for compatibility with the
modem in the central host computer.
To change the modem speed, press ENTER, then use the up/down arrow buttons
to show available modem speeds. Press ENTER to make the change.
Review the Receive Level parameter on
on Page 75 for guidance on setting appropriate levels.
MDS 4790/9790 Series I/O Guide
performance. Review
Section 10.1, Technical
97.
RX [xxx]
performance. Review
PWR [20–37]
Page 51
Watts dBm
+27 dBm 500 milliwatts
+25 dBm 320 milliwatts
+23 dBm 200 milliwatts
+20 dBm 100 milliwatts
Page 75 and the Transmit Gain parameter
MODEM
[NONE/4800/9600/19200/
DEFAULT]
Section 8.4, Operating
before making a
command, Page 52
Section 8.4, Operating
before making a
command,
Watts
command,
69