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8
3
BASIC OPERATION
■
Receiving and transmitting
CAUTION:
Transmitting without an antenna may dam-
age the transceiver.
q
Push
[POWER]
to turn power ON.
w
Set the audio and squelch levels.
➥
Rotate
[SQL]
fully counterclockwise in advance.
➥
Rotate
[VOL]
to adjust the audio output level.
➥
Rotate
[SQL]
clockwise until the noise disappears.
e
While pushing and holding
[H/L]
, push
[DIAL•DUAL/
GRP]
to change the channel group. (p. 7)
r
Rotate
[CHANNEL]
to select the desired channel.
(pp. 6, 7)
• When receiving a signal, “
BUSY
” appears and audio is emitted
from the speaker.
• Further adjustment of
[VOL]
may be necessary.
t
Push
[H/L]
to select the output power if necessary.
• “
25W
” or “
1W
” appears when high or low power is selected, re-
spectively.
The channels 75 and 76 in the international channel group are
limited to low power (1 W) only. And the output power selection
is inhibited on these channels.
• Choose low power for short range communications, choose
high power for longer distance communications.
• Some channels are for low power only.
y
Push and hold
[PTT]
to transmit, then speak into the mi-
crophone.
• “
TX
” appears.
• Channel 70 cannot be used for transmission other than DSC.
u
Release
[PTT]
to receive.
IMPORTANT:
To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing
[PTT]
, hold
the microphone 5 to 10 cm from your mouth and speak
into the microphone at a normal voice level.
t
Microphone
q
y
r
e
w
w
i
u
r
e y
Summary of Contents for IC-M505
Page 1: ...INSTRUCTION MANUAL iM505 VHF MARINE TRANSCEIVER ...
Page 71: ...65 9 CONNECTIONS AND MAINTENANCE 9 Gasket Mounting base Cap Nut 50 d 28 d 29 5 to 1 5 Ú 3 ...
Page 77: ...HM 162E Unit mm 29 5 to 31 5 d 2 165 110 146 92 4 R12 Max MB 75 Cut here 71 13 TEMPLATE ...
Page 78: ......
Page 79: ...MEMO ...