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MDS 05-3438A01, Rev. F
RSPSupply - 1-888-532-2706 - www.RSPSupply.com
http://www.RSPSupply.com/p-8457-MDS-UP-9790X.aspx
Low-Voltage Disconnect Assembly after installing the
new battery (see
Figure
the switch. This enables the radio to operate until the new battery is dis-
charged or the AC power is restored.
Battery Reset Switch
(See Text)
Duplexer
Figure 12. Location of Battery Reset Switch
NOTE: For replacement of a backup battery, refer to
Removal of Backup Battery (P/N 28-1575Axx)" on Page
4.5 Antenna Installation
Follow the antenna manufacturer's instructions for proper installation of
the antenna. Using the proper mounting hardware and bracket ensures a
secure mounting arrangement with no pattern distortion or detuning of
the antenna.
Regardless of the antenna brand, mount the antenna as far away as pos-
sible from obstructions such as buildings, metal objects, and dense
foliage. Choose a location that provides a clear path in the direction of
the associated stations.
NOTE: Strong fields near the antenna can interfere with the operation
of low-level circuits and change the values of the received
data. For this reason, mount the antenna at least 10 feet
(3 meters) from the radio and other electronic equipment.
Feedline Installation
Use a low-loss feedline with the radio.
Selection" on Page 9 for
for your installation. Whatever cable is used, keep it as short as possible
to minimize signal losses.
MDS 4790/9790 Series I/O Guide
12). Use a pen or other pointed object to press
See "Antenna and Feedline
suggestions on choosing the correct feedline
"Installation &
87.
17
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