User Guide

Page 25
GX1600/GX1700
6.11.1 Connecting an External Speaker to the RAM3+ Mic Cable
In noisy locations an optional external speaker may be connected to the
white and black speaker wires on the RAM3+ routing cable (refer to previous
page). The RAM3+ can drive the internal speaker or the external speaker
one at a time. When connecting an external speaker, follow the procedure
below to turn off the RAM3+ audio and enable the external speaker wires on
the RAM3+ routing cable.
1. On the RAM3+ mic, press and hold the
key
until “
Setup Menu
” appears, then select “
GENERAL
SETUP
” with the
/ key.
-Setup Menu-
CH Function Setup
DSC Setup
GPS Setup
MMSI Setup
Waypoint Setup
GENERAL SETUP
QUIT
SELECT
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-EXT Speaker-
Off
ON
QUIT
ENT
2. Press the soft key.
3. Press the
key to until “
EXT SPEAKER
” is shown
and press the soft key.
4. Press the
or key to select “
OFF
” (External
speaker off) or “
ON
” (External speaker on).
5. Press the
soft key to save the selection.
6. Press the
key to exit this mode.
6.11.2 External Speaker AF Selection
The “
AF Select
” menu allows you to set the audio output level of the
RAM3+ external speaker wires (on routing cable) to a fixed level regard-
less of the volume level setting of the RAM3+. This is useful when using the
optional MLS-310 amplied speaker with on/off volume control.
1. On the RAM3+ mic, press and hold the
key
until “
Setup Menu
” appears, then select “
GENERAL
SETUP
” with the
/ key.
-Setup Menu-
CH Function Setup
DSC Setup
GPS Setup
MMSI Setup
Waypoint Setup
GENERAL SETUP
QUIT
SELECT
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-EXT Speaker-
Pa-out
PRE-OUT
QUIT
ENT
2. Press the soft key.
3. Press the
key to until “
AF SELECT
” is shown
and press the soft key.
4. Press the
or key to select “
PRE-OUT
”
(External Speaker Level is “Fixed”) or “
PA-OUT
”
(External Speaker Level is “Adjustable”).
Use “Fixed” when MLS-310 is connected.
Use “Adjustable” when MLS-300 or other speaker
without volume control is connected.
5. Press the
soft key to save the selection.
6. Press the
key to exit this mode.