Simrad RT64 Manual

4.4 Fault Finding
Symptom Possible Cause Remedy
Unit will not switch on • Faulty connection to power • Check power connection
• Fuse has blown • Replace fuse and check
power supply current
Scan or Memory Scan is • Noise on the channel is • Increase squelch level
locking on a channel holding the scan • Inhibit channel from scan
without a signal (see section 2.2.3)
Dual Watch not being • Priority channel selected • Select a working channel
entered • Handset off cradle • Replace handset
Cannot change channel • Dual Watch (D/W) engaged • Exit Dual Watch
Certain channel numbers • Some channels are restricted • Consult your national
are not obtainable and not programmed depend- authority for permitted
ing on country of purchase channels in your region
Will not transmit • Scanning or D/W function active • Exit D/W or Scan
Will not transmit on 25W • Low voltage when full transmit- • Check power supply
but OK on 1W ting current is drawn
• Some channels are restricted to • Consult your national
low power transmission only authority
Transmissions persistently • Damaged antenna • Replace antenna
weak / display flashes ‘ANT’ • Antenna cable broken • Replace cable
• Poor contact • Check antenna sockets &
through deck connector
These simple checks should be carried out before seeking tech-
nical assistance and may save time and expense. Before con-
tacting your servicing agent please obtain the radio’s serial
number. The software iteration should also be quoted - this is
shown in the large digits on the display for 2 seconds after the
radio is turned on and should be written in the box below for
future reference -
Instruction Manual
25
E04074
4.3 Frequency of Channels
Channel 0 will only be made available in the UK to Coastguard
users with written authorisation.
Channels M and M2 are UK marina channels and will not be
programmed on non-UK radios.
Channel 70 is the designated Digital Selected Calling (DSC)
channel and can only be used by an RT64 + DSC1400.
RT62 & RT64
24
E04074
RADIO SERIAL No. SOFTWARE ITERATION

Simrad RT64 Specifications

General

Brand	Simrad
Model	RT64
Category	Radio
Language	English