INSTALLATION
FIXED STATIONS
ENVOY™ TRANSCEIVER REFERENCE MANUAL 415
Related links:
Antenna supports in a fixed station on page 408
Earthing the antenna on page 416
Earthing the tuner on page 417
Standing wave ratio on page 405
Earthing the transceiver in a fixed station on page 413
Installing the antenna
WARNING: The antenna should be installed by a suitably qualified technician, to
the relevant standards and approvals.
NOTE: Correct installation of the antenna provides efficient operation over the
frequency range of the transceiver. It ensures the antenna provides
maximum output power during transmission and clear reception of
weak signals.
Positioning the antenna
Position the fixed antenna:
• next to the antenna feed point
• free from obstructions such as buildings, trees and vegetation
• at right angles to the desired direction of communication
• away from any other antenna system
Transceiver is not
responding to
instructions
The transceiver may not be
connected correctly
Check that the cables and connectors between all
items of equipment are securely connected and not
damaged.
Faulty cables and/or
connectors
Check that the cables and connectors between all
items of equipment are securely connected and not
damaged.
Control point
disconnects from
RFU
Inadequate earthing of the
antenna
Improve the earth connection.
Inadequate earthing of the
RFU
Improve the earth connection.
Control point cable is not
separated adequately from
antenna control and
coaxial cables
Separate the control point cable from the antenna
control cable and the antenna coaxial cable by at
least 200 mm (8 in).
Table 37: Possible faults in the fixed installation (cont.)
Symptom Possible cause Action
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