NAVICOM RT-650, Owner'S Manual, Page: 29 / 32

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8.6 DSC CALL MENU AND SENDING AND RECEIVING DSC CALLS
Briefly press DSC/MENU button to enter the DSC CAll Menu as below, the similar
operation as the fixed radio before. Please refer to the previous Chapter 5.
LAST CALL Recall last call no matter what type of call received at last.
NEW CALL Make a new call, by inputting the MMSI or pick up from the list
max 20
GROUP Sends transmissions that are only received by radios that share
a common group MMSI number, up to 3 group MMSI numbers
can be stored and call.
ALL SHIPS Make an Urgency, Safety or Distress call to all ships. A re-
confirmation screen follows the priority selection of Urgency,
Safety or Distress. Such call will be sent out when assistance
need but the situation not is so serious enough for a Distress
Call. Urgency call is made when assistance required but not
life endanger while Safety call is for advisory alert.
CALL LOG Allow a review of all stored Calls by number and time of call.
An individual call type can be placed to the selected
MMSI/NAME in the LOG. The LOG maintains all received call
types except DISTRESS calls. The call at the end of the list is
automatically erased. The earliest call stored at the end of the
list.
There is 20 calls could be stored.
DISTRESS
LOG Allow a review of all stored Distress calls by number and time of
call. An individual call type can be placed to the selected MMSI
/ NAME in the LOG. The call at the end of the list is
automatically erased. The earliest call stored at the end of the
list. There is also 10 calls could be stored.
POS
REQUEST The option enables you to request GPS position information
from any vessel for which an MMSI number is known, such
request can pick up from buddy list.
EXIT quit the menu mode.
Notes: There is no DISTRESS button with red cover on wireless handset. You
CAN’T send DISTRESS call via wireless handset.
9 MAINTENANCE
Your VHF Marine Radio RT-650 is a marine radio of water proof who can meet the
requirement of JIS level 7, gives you a good reliability when using in marine
circumstance.
The equipment is designed to be maintenance free. To keep your radio in good
working condition:
Never unscrew the equipment, either the base station or handset, For in such
case, the water proof performance will be greatly damaged.
If the radio becomes dirty and dusty, wipe it clean with a moisture cloth, but pay
attention to never using such solvents as benzene or alcohol, for they may
damage the radio surfaces.
Once your equipment does not work properly, never allow an unqualified person
to tamper with internal adjustments. Please contact the local dealer for help.
TROUBLE SHOOTING
Item Symptom Cause/Remedy
1 Unit can not be powered
on. Check the connection to the base station.
Check the volume control.
2 No sound comes from
the speaker Set [VOL] to a suitable level.
Set squelch to the threshold point.
3 Transmitting is
impossible, or high
power can not be
selected.
Check to see if the PTT switch is defective.
Check to see if the microphone or MIC jack is
defective.
Some channels are for low power or receive only,
change to another channel.
Push H/L to select high power.
4 Low receiver sensitivity. Check to see if the antenna being bad connected.
Check the connection between coaxial cable and base
station.
5 Wireless Handset no
response Re-subscribe between Fixed radio and Handset
6 Battery symbol is
displayed Check the battery voltage, which should be at least
10.5+/- 0.5V DC
Check the alternator on the vessel
7 No position information
is displayed Check the GPS cable is physically connected
Check the polarity of the GPS cable
Check the baud rate setting of the GPS is applicable.
The baud rate setting should be 4800 and parity
should be set to NONE