Navico Simrad RS100 User Manual page 65

65 |
9
10
No sound from
wired speaker
11
12
13
No GPS fix
14
VHF
Issue
1
2
Can TX but don't
hear a response
3
4
5
6
Can RX but
station can't hear
me
7
Digital noise each
8
time I release PTT
9
Reduced Tx
power level
10
VHF Radio Help and Troubleshooting Guide |
Incorrect wiring
Volume is set too low
Incorrect speaker
assignment
Incorrect GPS Source
Setting
Antenna covered
Poor coverage in current
location
Reason
Selected channel is
Duplex, with no repeater
in range
Squelch (SQL) not set
correctly
Channel is set to LO (1W)
power
Faulty antenna
Channel is set to LO (1W)
power
Faulty antenna
Radio has ATIS function
turned ON
The radio is optimized to
operate at +13.6 V DC,
±1V DC. Voltages outside
this may cause reduced
VHF output power
Failing antenna
RS100 / RS100-B / V100 / V100-B User Manual
Confirm wiring is correct
Check volume is not at minimum and adjust as
required
Check speaker assignments including offset
value. You may need to set a minimum offset
value so speaker volume does not go too low
Check GPS Source is correct – Internal or
Networked
External GPS antenna location unsuitable. Ensure
the antenna has a clear view of the sky
Unable to get a 3D fix in the current location
Details
For radio-to-radio communications, ensure a
Simplex channel is used. Refer to "Channel charts"
on page 81
You can easily check if a repeater is in range:
select a Duplex channel, press PTT for a short
time and then listen for a short burst/crack over
the speaker shortly after releasing the PTT. If no
burst, then there is no repeater in range.
Adjust squelch so that noise just clears.
Receiving station is out of range. Change to HI
(25W) power where available (long press OK key)
Check VHF antenna. Test with a known good
antenna
Receiving station is out of range. Change to HI
(25W) power where available (long press OK key)
Check VHF antenna. Test with a known properly
functioning antenna
Only use ATIS function while navigating in
European waterways. Turn ATIS OFF otherwise
Ensure the radio is operating within the
optimized voltage range
Check all antenna connections. A bad antenna
connection will reduce power levels.
Check antenna cable for corrosion due to water
ingress