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 TM 55-1905-242-14
OPERATOR, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
OPERATOR INSTRUCTIONS
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS
COMMUNICATION AND NAVIGATION GEAR
RAYTHEON RAY 430 LOUDHAILER
1.
Microphone PTT (Push-To-Talk)
Push this switch to activate the microphone.
Switch
2.
HAIL Key
Press to place the RAY 430 in HAIL mode. HAILER is displayed on the
LCD when in this mode.
3.
FOG Key
Pressing this key sequentially selects one of the nine different horn or
automatic fog signals for use.
4.
AUX Key
Enables AUX input from radiotelephone or other input source. Input is
amplified and heard at the selected external speaker location(s).
5.
IC Key
Intercom key. Pressing this key places the RAY 430 in intercom mode.
6.
IC 1/2 Key
Selects between intercom stations 1 or 2.
7.
IC 3/4 Key
Selects between intercom stations 3 or 4.
8.
LISTEN Control
Rotating the knob clockwise increases listening volume at the internal
speaker. Rotating the knob counterclockwise decreases listening volume.
9.
ALL Key
Selects all speaker stations for use simultaneously during foghorn, hailer,
or public address operations.
10.
HAIL Output Control
Rotating the knob clockwise increases the volume going to the hailer
horns or intercom speakers. Rotating the knob counterclockwise decreases
the volume.
11.
BOTH Key
Selects both hailer horns.
12.
OFF and DIM
Turns the RAY 430 ON and OFF. Rotating the knob clockwise increases
the backlighting level of the LCD display.
13.
AFT Key
Selects the aft hailer horn.
14.
FWD Key
Selects the forward hailer horn.
0015 00-1
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