Furuno FAX-410 manual ４．４ Grounding, ４．５ Receiving antenna

４．４ Grounding

A GND terminal is on the rear panel of the main unit.

Be sure to ground the main unit using attached earth wire (3m KIV wire 50/0.45 with copper tube terminal).

４．５ Receiving antenna

Following antennas are suitable to use as the receiving antenna for the FAX-410.

A)Antenna coupler FAX-5 + 2.6 m whip antenna (supplied by us as option)

B)Whip antenna (6 m ~ 8 m)

C)Wire antenna (Reverse-L or T type)

Note: Generally, whip antenna is suitable for reception over 6 MHz, and wire antenna is suitable for reception under 6 MHz.

Receiving sensitivity would become worse when using one antenna for other receivers and/or transmitters through multi-coupler. In that case, please use other antenna or install exclusive antenna.

Be sure to connect BK especially for following case in order to avoid from burning trouble of antenna coil/receiver circuit.

A)In case of using same antenna which is used for a transmitter

B)When a transmitting antenna is located near to receiving antenna of FAX-410

Use high frequency coaxial cable as an antenna cable.

When using optional antenna coupler FAX-5, turn ON the switch S1 on BK board inside the main unit.

- 22 -