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BF175D/BF200D/BF225D/BF250D
WHEN RADIO SYSTEM/GPS MOUNTED ON THE BOAT
The ECM and its wires are designed so that they are not affected by the external jamming, but the ECM can function
erroneously when it receives the extremely strong electric wave. Check the ECM for erroneous operation whenever a
radio system or a navigation system is mounted on the boat. Observe the following instructions to prevent erroneous
operation.
• Set the antenna and the radio system at least 50 cm (1.6 ft) or more away from the ECM, Remote control cable,
remote control box, NMEA Interface cable or network cable.
• Avoid routing the antenna wire lead too long compared to the remote control cable, NMEA Interface cable or
network cable.
• Do not install the radio system that does not conform with the laws and regulations concerned (10W or below).
• Set the GPS antenna and navigation unit at least 3 m (4.8 ft) or more away from the ECM.
• Ground the GPS antenna ground securely.
After installing a radio system or GPS, the ECM must be inspected for erroneous operation.
(Installation example)
RADIO SYSTEM
ANTENNA
36
Keep away at least 50 cm
(1.6 ft).
REMOTE CONTROL BOX
Keep away at
least 50 cm
(1.6 ft).
RADIO SYSTEM
NMEA NETWORK
CABLE
SWITCH PANEL
AND/OR
INDICATOR
PANEL
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