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3. INSTALLATION
22
3.2 Antenna
The performance of the facsimile receiver is directly related to the antenna installation. In general,
the antenna should be installed as high as possible on the vessel, free from the influence of nearby
antennas, rigging and masts. Be sure to locate the antenna well away from TX antennas and noise
generating equipment. Pay particular attention to the antennas of MF and HF radio equipment -
they can damage the facsimile receiver through induction. (For better protection against induction,
use the preamp unit.)
The FAX-408 can use the following antennas:
• Preamp unit FAX-5 (optional supply) + 2.6 m whip antenna (optional supply)
• Whip antenna (6 m, optional supply)
• Wire antenna (local supply)
3.2.1 General antenna connection
Connect the antenna to the facsimile receiver as shown below.
Preamp Used Preamp Not Used
Facsimile
Receiver
2.6 m Whip Antenna
Coaxial Cable
Facsimile
Receiver
6 m Whip
Antenna
Wire Antenna
ANT ANT
OR
Matching Box
Preamp Unit