AST300
14
9
FAULT FINDING
9.1
Power LED not illuminated
●
Check power supply connections and fuse or circuit breaker
●
Check polarity of power supply connections
●
Check power supply voltage
9.2
‘VHF’ LED does not illuminate when VHF Radiotelephone is
transmitting
●
Check that the Antenna output of the VHF Radiotelephone is connected to the Antenna Splitter
input labelled ‘VHF’
9.3
‘AIS’ LED does not illuminate when AIS Transponder is transmitting
●
Check that the Antenna output of the AIS Transponder is connected to the Antenna Splitter input
labelled ‘AIS’
9.4
Clicks or pops are heard from a connected FM Broadcast Receiver
●
This is normal and may occur during VHF or AIS transmission
9.5
VHF or AIS reception range is reduced
●
A very slight reduction in receiver range is normal and due to the insertion loss of the Antenna
Splitter; refer to SPECIFICATION
Summary of Contents for AST300
Page 2: ......
Page 4: ...AST300 4 1 AST300 AIS VHF ANTENNA SPLITTER ...
Page 9: ...AST300 9 6 MAJOR DIMENSIONS All dimensions mm ...
Page 12: ...AST300 12 7 5 1 Connection Diagram ...
Page 18: ...AST300 18 NOTES ...
Page 19: ...AST300 19 NOTES ...