ICOM orporated IC-M45A VHF-FM Marine Transceiver User Manual IC M45A Manual

ICOM Incorporated VHF-FM Marine Transceiver IC M45A Manual

Manual

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Document ID38942
Application IDiQqSrIQ2rG/Z1AexGY+B8w==
Document DescriptionManual
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize23.39kB (292405 bits)
Date Submitted1999-05-26 00:00:00
Date Available1999-08-11 00:00:00
Creation Date1999-03-29 14:46:09
Producing SoftwareAcrobat Distiller 3.0.2J (Power Macintosh 版)
Document Lastmod1999-03-29 14:55:55
Document TitleIC-M45A Manual
Document CreatorQuarkXPressª: AdobePS 8.5.2
Document Author: Icom Inc.

IC-M45A Manual
99.3.29 2:45 PM
Page A
INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM45A
IC-M45A Manual
99.3.29 2:45 PM
Page ii
FOREWORD
FEATURES
Thank you for purchasing this Icom product. The IC-M45A VHF
MARINE TRANSCEIVER is designed and built with Icom’s superior technology and craftsmanship. With proper care this
product should provide you with years of trouble-free operation.
IMPORTANT
READ ALL INSTRUCTIONS
carefully and com-
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL—This instruction manual contains important operating instructions for
the IC-M45A.
EXPLICIT DEFINITIONS
WORD
DEFINITION
Personal injury, fire hazard or electric
RWARNING shock may occur.
CAUTION
NOTE
ii
Equipment damage may occur.
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
☞ Durable, water-resistant construction
Built tough to withstand the punishing marine environment, the IC-M45A offers reliability you can count on.
☞ Dual watch and tri-watch functions
Convenient functions which allow you to monitor the distress channel (ch 16) while receiving a channel of your
choice—dual watch; or monitor the distress channel and
another channel while receiving a channel of your
choice—tri-watch.
☞ Large, easy-to-read LCD
With dimensions of 20(H) × 60(W) mm, the IC-M45A’s
function display is easy to read and shows operating conditions at a glance. Backlighting and contrast can be adjusted to suit your preferences.
☞ ‘Smart’ microphone
Operating channel and transmit output power level settings are easily selectable via the supplied microphone.
☞ Simple operation
Ergonomic design with a minimum number of switches
and controls provides simple intuitive operation.
IC-M45A Manual
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Page iii
CAUTIONS
IN CASE OF EMERGENCY
RWARNING! NEVER connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
If your vessel requires assistance, contact other vessels and
the Coast Guard by sending a distress call on channel 16.
RWARNING HIGH VOLTAGE! NEVER touch
the antenna or an internal antenna connector during transmission. This may result in an electric shock or a burn.
❍ USING CHANNEL 16
DISTRESS CALL PROCEDURE
NEVER connect the transceiver to a power source of more
than 16 V DC. This connection will ruin the transceiver.
1. “MAYDAY MAYDAY MAYDAY.”
AVOID using or placing the transceiver in direct sunlight or
2. “THIS IS ...........................” (name of vessel)
in areas with temperatures below –20°C (–4°F) or above
+60°C (+140°F).
DO NOT operate the transceiver without running the vessel’s engine. When your vessel’s engine is OFF and the transceiver is transmitting, the vessel’s battery will soon become
exhausted.
KEEP the transceiver out of the reach of children.
KEEP the antenna cable and DC power cable as far away
as possible from electrical pumps, generators and other electronic instruments to prevent instrument malfunctions.
3. Your call sign or other indication of the vessel.
4. “LOCATED AT ......................” (your position)
5. The nature of the distress and assistance required.
6. Any other information which might facilitate
the rescue.
KEEP
the transceiver and microphone at least 1 meter
away from your vessel’s magnetic navigation compass.
iii
IC-M45A Manual
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Page iv
TABLE OF CONTENTS
FOREWORD ....................................................................... ii
IMPORTANT ........................................................................ ii
EXPLICIT DEFINITIONS ..................................................... ii
FEATURES .......................................................................... ii
CAUTIONS ......................................................................... iii
IN CASE OF EMERGENCY ............................................... iii
TABLE OF CONTENTS ...................................................... iv
1 OPERATING RULES ...................................................... 1
2 PANEL DESCRIPTION ............................................... 2–4
■ Front panel .................................................................. 2
■ Microphone .................................................................. 3
■ Function display ........................................................... 4
3 BASIC OPERATION ................................................. 5–10
■ Power ON .................................................................... 5
■ Channel selection ........................................................ 5
■ Receiving ..................................................................... 7
■ Transmitting ................................................................. 8
■ Scan function ............................................................... 9
■ Call channel programming ......................................... 10
■ Display backlighting ................................................... 10
iv
4 SET MODE ............................................................. 11–12
■ Entering SET mode ................................................... 11
■ SET mode items ........................................................ 11
5 CONNECTIONS AND MAINTENANCE ................. 13–16
■ Unpacking .................................................................. 13
■ Antenna ..................................................................... 13
■ Fuse replacement ...................................................... 13
■ Cleaning .................................................................... 13
■ Connections .............................................................. 14
■ Mounting the transceiver ........................................... 15
■ Dimensions ................................................................ 16
6 TROUBLESHOOTING .................................................. 17
7 VHF MARINE CHANNEL LIST .................................... 18
8 SPECIFICATIONS AND OPTIONS .............................. 19
■ Specifications ............................................................ 19
■ Options ...................................................................... 19
IC-M45A Manual
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Page 1
OPERATING RULES
D Priorities
• Read all rules and regulations pertaining to priorities and
keep an up-to-date copy handy. Safety and distress calls
take priority over all others.
• You must monitor channel 16 when you are not operating on
another channel.
OPERATOR’S LICENSE
A restricted Radiotelephone Operator Permit is the license
most often held by small vessel radio operators when a radio
is not required for safety purposes.
The Restricted Radiotelephone Operator Permit must be
posted near the transceiver or be kept with the operator. Only
a licensed radio operator may operate a transceiver.
• False or fraudulent distress calls are prohibited under law.
D Privacy
• Information overheard but not intended for you cannot lawfully be used in any way.
• Indecent or profane language is prohibited.
D Radio licenses
However, non-licensed individuals may talk over a transceiver
if a licensed operator starts, supervises, ends the call and
makes the necessary log entries.
A current copy of the applicable government rules and regulations is only required to be on hand for vessels in which a
radio telephone is compulsory. However, even if you are not
required to have these on hand it is your responsibility to be
thoroughly acquainted with all pertinent rules and regulations.
SHIP STATION LICENSE
When your craft is equipped with a VHF FM transceiver, you
must have a current radio station license before using the
transceiver. It is unlawful to operate a ship station which is not
licensed.
Inquire through your dealer or the appropriate government
agency for a Ship-Radiotelephone license. This license includes the call sign which is your craft’s identification for radio
purposes.
NOTE: Even though the IC-M45A is capable of operation
on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83,
according to FCC regulations these channels cannot be
lawfully used by the general public in USA waters.
IC-M45A Manual
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Page 2
PANEL DESCRIPTION
■ Front panel
iM45
VHF MARINE
PWR VOL
OFF
UP
TAG
SCAN
16
DUAL
DIM
U I C
DN
q CHANNEL UP/DOWN SWITCHES [YUP]/[ZDN]
Push to select an operating channel. (p. 6)
• Push and hold to ‘speed’ scroll up or down through the available
channels.
w SCAN SWITCH [SCAN • TAG]
➥ Push to start/stop scanning. (p. 9)
• Scan type can be selected in SET mode. (p. 12)
➥ Push for 1 sec. to toggle the tag setting for the displayed
channel. (p. 9)
SQUELCH
H L
CH WX
e HIGH/LOW POWER SWITCH [H/L • DIM]
➥ Toggles between high and low output powers. (p. 8)
➥ While pushing, push the [UP]/[DN] switches to adjust the
display backlighting. (p. 10)
➥ While pushing, push [SCAN] for 3 sec. to clear all tag
channels. (p. 9)
r CHANNEL SWITCH [CH/WX • DUAL]
➥ Push to toggle between regular channel mode and
weather channel mode. (p. 6)
• While in regular channel mode, push [H/L] + [CH/WX] to
change channel groups.
IC-M45A Manual
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PANEL DESCRIPTION
➥ Push for 1 sec. to start/stop dual (tri) watch. (p. 7)
• Use SET mode to select dual or tri-watch in advance. (p. 12)
t CHANNEL 16 SWITCH [16 • 9]
➥ Push to select channel 16. (p. 5)
➥ Push for 1 sec. to select the call channel (channel 9 by
default). (p. 5)
• Each group can have it’s own call channel programmed.
➥ Push for 3 sec. (when a call channel is selected) to enter
call channel write mode. (p. 10)
■ Microphone
➊
HI/LO
➋
• Channel indication flashes.
y SQUELCH CONTROL [SQUELCH]
Rotate clockwise to eliminate audio noise. (p. 7)
u POWER/VOLUME CONTROL [PWR/VOL]
Turns power ON and OFF and adjusts the audio output
level.
q CHANNEL UP/DOWN SWITCHES [Y]/[Z]
Select an operating channel in the selected channel group.
• These switches can be used instead of the transceiver’s
[UP]/[DN] switches.
w HIGH/LOW POWER SWITCH [HI/LO]
The same function as the transceiver’s [H/L] switch—toggles between high and low output powers.
• Pushing this key at power ON turns the microphone keys
ON/OFF.
IC-M45A Manual
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Page 4
PANEL DESCRIPTION
■ Function display
T X BUSY
!1
!0
LOW CALL
CANUSA
INT
WX
TAG DUALTRI
SCAN
DUP
q TRANSMIT INDICATOR
Appears while transmitting. (p. 8)
w BUSY INDICATOR
Appears when receiving a signal or when [SQUELCH] is
rotated too far clockwise. (p. 7)
e CHANNEL INDICATOR
Shows the operating channel (pgs. 5, 6)
r TAG CHANNEL INDICATOR
Appears when the selected channel is set as a tag channel. (p. 9)
t DUALWATCH INDICATOR
Appears and flashes during dualwatch operation. (p. 7)
y TRI-WATCH INDICATOR
Appears and flashes during tri-watch operation. (p. 7)
u SCAN INDICATOR
Appears and flashes during scan operation. (p. 9)
i DUPLEX INDICATOR
Appears when the selected channel is a duplex channel.
(p. 6)
o CALL CHANNEL INDICATOR
Appears when the call channel is selected. (p. 5)
!0 MODE INDICATORS (p. 5, 6)
➥ “USA” shows that USA channels are selected.
➥ “CAN” shows that Canadian channels are selected.
➥ “INT” shows that international channels are selected.
➥ “WX” shows that weather channels are selected.
!1 LOW POWER INDICATOR
Shows that low output power is selected. (p. 8)
IC-M45A Manual
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Page 5
BASIC OPERATION
■ Power ON
■ Channel selection
➀ Rotate [PWR/VOL] clockwise to turn power ON.
D Channel 16
T X BUSY
LOW CALL
CANUSA
INT
WX ALT
TAG DUALTRI
SCAN
DUP
All display indications
appear briefly.
Channel 16 is the distress channel. It is used for establishing
initial contact with another station and for emergency communications. Channel 16 is monitored during dual/tri-watch.
While standing by you are required to monitor channel 16.
Push
USA
Channel 16 is automatically
selected.
➁ Operate the transceiver as indicated in the following sections.
D Low voltage indicator
When “b” appears and flashes as
shown at right, there is a DC power
source problem. In this case, check
your vessel’s battery and DC power
cable.
USA
16
USA
or hang the microphone
on the microphone hanger.
D Call channel
The call channel is used to store your most often-used channel for quick recall. In addition, the call channel is monitored
during tri-watch. The default setting for the call channel is
channel 9 which is for leisure boat use. A separate call channel can be set for each channel group (USA, CAN and INT).
Push
for 1 sec.
16
CALL
USA
“CALL” indicates that the
call channel is selected.
IC-M45A Manual
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Page 6
BASIC OPERATION
D USA, Canadian and international channels
D Weather channels
There are 61 USA, 57 Canadian and 57 international channels. These channel groups may be specified for the operating area.
There are 10 weather channels. These are used for monitoring NOAA (National Oceanographic and Atmospheric Administration) weather broadcasts.
➀ Push [CH/WX] to select a regular channel.
• If regular channels (USA, CAN or INT) are already selected, this
step is not necessary.
Push
CH WX
WX
➁ Push [UP]/[DN] to select a channel.
• “DUP” appears for duplex channels.
➂ To change the channel group, push [CH/WX] + [H/L] simultaneously.
• USA, Canadian and international channels can be selected in sequence.
USA
U.S.A. channels
Push simultaneously
U I C
H L
✔ CONVENIENT
Weather alert function: NOAA broadcast stations transmit a
weather alert tone before important weather announcements.
CH WX
TAG
DUP
CAN
INT
International channels
Canadian channels
When the weather alert function is turned ON, the “ALT” indicator flashes until a switch is pushed. This function is activated when a weather channel is selected or during any scan.
See “SET mode items” on p. 12.
IC-M45A Manual
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Page 7
BASIC OPERATION
■ Receiving
➀ Rotate [PWR/VOL] to turn power ON.
➁ Rotate [SQUELCH] fully counterclockwise.
➂ Adjust [PWR/VOL] to a suitable listening level.
➃ Rotate [SQUELCH] clockwise until the audio noise disappears.
➄ Select a channel. See pgs. 5–6 for details.
• When a signal is received:
➧ The squelch opens.
➧ Audio is emitted from the speaker.
➧ “BUSY” appears in the function display.
When dual watch is selected in SET mode:
➥ Push [CH/WX • DUAL] for 1 sec. to start dual watch.
D Dual/tri-watch functions
These functions allow you to conveniently check the distress
channel (ch 16) or, both the distress and leisure call channel
(ch 9; programmable) while receiving another channel. When
receiving a signal on one of these channels, the transceiver
stops on the channel until the signal disappears.
Depending on your preference, select dual watch or tri-watch
in advance in SET mode (p. 12). Dual watch is the default setting.
BUSY
DUAL
USA
DUAL
USA
When receiving a signal
on channel 16. Channel
16 is monitored until the
signal disappears.
Checking channel 16
every 2 sec.
When tri-watch is selected in SET mode:
➥ Push [CH/WX • DUAL] for 1 sec. to start tri-watch.
➅ When an interrupting signal is received, rotate [SQUELCH]
deeply clockwise.
TRI
BUSY
TRI
CALL
USA
USA
Checking channel 16
and the call channel
every 2 sec.
When receiving a signal
on channel 16, channel
16 has priority.
When receiving a signal
on the call channel, the
call channel is monitored
while checking ch 16 in
2 sec. intervals.
BUSY
TRI
USA
➥ Push any switch to cancel dual/tri-watch and return to normal operation.
IC-M45A Manual
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Page 8
BASIC OPERATION
■ Transmitting
Before transmitting, read the call procedures at right.
➀ Select an operating channel. See pgs. 5–6 for details.
➁ Push [H/L] to select a transmit output power.
• “LOW” appears when low output power is selected.
• High power cannot be selected on some channels. Refer to the
channel list on p. 18.
➂ Push and hold the [PTT] switch to transmit.
CALL PROCEDURES
You must identify yourself when you transmit and you must
respect time limits.
1) Give your call sign each time you call another vessel or a
coast station. If you have no call sign, identify the station
by giving the vessel name and the name of the license.
2) Give your call sign at the end of each transmission that
lasts more than 3 minutes.
• “$” appears.
➃ Speak into the microphone at your normal voice level.
• Do not hold the microphone too closely to your mouth or speak to
loudly. This may distort the signal.
➄ Release the [PTT] switch to receive.
v IMPORTANT: In order to maximize the readability of
your transmitted signal, pause for a moment after pushing [PTT], hold the microphone 15–20 cm from your
mouth, then speak into the microphone at an even, normal voice level.
MOMENTARY HIGH POWER
On USA channels 13, 15 and 67, transmission using high
power is momentarily possible. To use high power, push
and hold [H/L] while transmitting.
3) You must pause and give your call sign at least once
every 15 minutes during long ship-to-shore calls.
4) Keep your calls short (less than 3 minutes). Wait 2 minutes before repeating a call.
5) Unnecessary transmissions are not allowed.
TIME-OUT TIMER (USA version only)
The transceiver has a time-out timer function to prevent
continuous, long transmissions. Transmit is automatically
inhibited after 5 min. of continuous transmission.
IC-M45A Manual
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Page 9
BASIC OPERATION
■ Scan function
The transceiver has a high speed scan function for standing
by on utility signals. The scan speed is 8 channel/sec. (except
when the weather alert function is in use).
Two scan types are available: normal scan (scans all tag
channels in sequence) and priority scan (checks channel 16
while scanning). These scans can be selected in SET mode
(p. 12).
D Setting tag channels
You can specify channels as tag channels for efficient scanning. Tag channels can be set for each channel group (USA,
CAN, INT) independently.
➥ Select the desired channel, then push [SCAN • TAG] for 1
sec. to toggle the tag setting.
TAG
USA
Appears when the channel is
specified as a tag channel.
D Scan operation
➀ Select the desired channel group (USA, CAN, INT or WX)
channels with [CH/WX] + [H/L] (or [CH/WX] only for
weather channels).
• When the weather alert function is in use, select the desired WX
channel in the display, then perform the above step.
➁ Push [SCAN] to start scanning.
• “SCAN” appears and flashes in the function display.
• “16” appears during priority scan.
➂ To stop the scan, push [SCAN] again.
• “SCAN” disappears.
✔ Scan resume timer
When a signal is detected, scan pauses until the signal disappears or resumes after pausing 5 sec., according to the
SET mode setting. (p. 12)
✔ Confirming tag channels
While operating scan, push [UP] or [DN].
• Only tag channels are selected.
• Stop pushing [UP] or [DN] to resume scan.
✔ Clearing all tag channels
✔ Weather alert function
While pushing [H/L], push [SCAN • TAG] for 3 sec. until the
long beep becomes 2 short beeps.
When this function is turned ON (p. 12), the selected weather
channel is checked during scan. Refer to p. 6 for a description of weather alert.
• All tag channels in the selected channel group are released.
IC-M45A Manual
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Page 10
BASIC OPERATION
■ Call channel programming
Pushing [16 • 9] for 1 sec. selects the call channel, channel 9
by default, however you can program your most often-used
channels in each channel group for quick recall.
➀ Push [CH/WX] + [H/L] one or
more times to select the desired channel group (USA,
CAN, INT) to be programmed.
➁ Push [16 • 9] for 1 sec. to select the call channel of the selected group.
• The transceiver returns to normal operation.
TAG
CALL
USA
While pushing [H/L • DIM], push [UP] or [DN] to adjust the
backlighting.
• Backlighting can be set to 1 of 4 intensities or turned OFF.
CALL
USA
➃ Push [UP] or [DN] to select
10
CALL
USA
The function display and switches can be backlit for better visibility under low light conditions.
• Call channel and channel group
to be programmed flash.
the desired channel.
cally program the selected
channel.
■ Display backlighting
USA
• “CALL” and the call channel
number appear.
➂ Push [16 • 9] for 3 sec. to enter
call channel write mode.
➄ Push any switch to automati-
CALL
USA
IC-M45A Manual
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Page 11
SET MODE
■ Entering SET mode
■ SET mode items
SET mode is used to customize operation of the transceiver
to suit your operating needs.
Beep tones (p. 12)
*1
*2
*1
*2
D To enter SET mode:
➀ While pushing [16], turn power ON.
• Keep pushing [16] until the initial SET mode display appears.
• SET mode is selected.
➁ To exit SET mode, turn power OFF then ON again.
D To select an item:
16
Select a
SET mode
item*2
There are 5 items in SET mode that may be adjusted to suit
your operating needs.
➀ Select SET mode as above.
➁ Push [16] to select an item; then push [UP]/[DN] to set the
condition for the item.
UP
DN
Normal/priority
scan (p. 12)
Weather alert (p. 12)
*1
*2
*1
*2
*1
*2
Scan timer (p. 12)
Dual/tri-watch (p. 12)
Select a
SET mode
condition*1
SET mode items above are shown at their
default conditions.
11
IC-M45A Manual
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Page 12
SET MODE
D BEEP TONES
D SCAN TIMER
This item sets the transceiver’s confirmation beep tones
(when pushing a switch) ON or OFF.
This item sets the scan timer ON or OFF.
Beep tones ON (default)
Scan timer OFF (default)
Scan timer ON
Beep tones OFF
• Scan pauses on a signal
and resumes 5 sec. later.
• Scan pauses on a signal
until the signal disappears,
and resumes 2 sec. after
that.
D NORMAL/PRIORITY SCAN
This item sets the scan function to normal or priority operation. (See p. 9)
Normal scan (default)
Priority scan
D DUAL/TRI-WATCH
This item sets the [CH/WX • DUAL] switch to activate dual
watch or tri-watch. (p. 7)
Dual watch (default)
D WEATHER ALERT
This item sets the weather alert function ON or OFF. (p. 6)
Weather alert OFF (default)
12
Weather alert ON
Tri-watch
IC-M45A Manual
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Page 13
CONNECTIONS AND MAINTENANCE
■ Unpacking
■ Antenna
➀ Mounting bracket ............................................................. 1
➁ DC power cable (OPC-891) ............................................ 1
➂ Microphone hanger ......................................................... 1
➃ Mounting bracket knobs .................................................. 2
➄ Mounting screws (5 × 20) ................................................ 2
➅ Mic hanger screws (3 × 16) ............................................. 2
➆ Flat washers (M5) ........................................................... 2
➇ Spring washers (M5) ....................................................... 2
A key element in the performance of any communication system is an antenna. Ask your Dealer about antennas and the
best places to mount them.
➄
■ Fuse replacement
Two fuses are installed in the supplied DC power cable. If a
fuse blows or the transceiver stops functioning, track down
the source of the problem, if possible, and replace the damaged fuse with a new, rated one.
☛ Fuse rating: 10 A
➀
➁
➂
➃
➅
■ Cleaning
➆
➇
If the transceiver becomes dusty or dirty, wipe it clean with a
dry, soft cloth.
AVOID the use of solvents such as benzene or alcohol, as they may damage transceiver surfaces.
13
IC-M45A Manual
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Page 14
CONNECTIONS AND MAINTENANCE
■ Connections
q DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 12 V DC power source.
w ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector
to the transceiver.
vCAUTION: Transmitting without an antenna will damage
the transceiver.
14
e EXTERNAL SPEAKER JACK
Connects to an external speaker. See OPTIONS on p. 19
for available external speakers
r MICROPHONE HANGER
Rest the microphone on the hanger when not in use.
IC-M45A Manual
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Page 15
CONNECTIONS AND MAINTENANCE
■ Mounting the transceiver
DASHBOARD MOUNTING (with optional MB-69)
The universal mounting bracket supplied with your transceiver
allows overhead or dashboard mounting. Please read the following instructions carefully.
• Mount the transceiver securely with the 2 supplied screws
(M5 × 20) to a surface which is more than 10 mm thick and
can support more than 5 kg.
• Mount the transceiver so that the face of the transceiver is at
90° to your line of sight when operating it.
vCAUTION: KEEP the transceiver and microphone at
least 1 meter away from your vessel’s magnetic navigation compass.
☞ NOTE: Check the installation angle; the function display
may not be easy to read at some angles.
OVERHEAD MOUNTING
15
IC-M45A Manual
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Page 16
CONNECTIONS AND MAINTENANCE
■ Dimensions
51 mm (2 in)
28.5 mm
(1⁄8 in)
67 mm (2 5⁄8 in)
152 mm (6 in)
178 mm (7 in)
16
86.5 mm (3 13⁄32 in)
25 mm
(1 in)
IC-M45A Manual
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Page 17
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes on.
• Power cord not connected properly.
• Blown fuse.
• Check the power cord connection.
• Check the polarity of the power connection,
then, replace the fuse.
p. 14
p. 13
No sound comes from the
speaker.
• [SQUELCH] is rotated too far clockwise.
• Rotate [SQUELCH] counterclockwise to a
suitable position.
p. 7
No beeps sound even when a • Beep function is turned OFF.
switch is pushed.
• Set beeps to ON in SET mode.
p. 12
Sensitivity is low and only
strong signals are audible.
p. 7
• Antenna feedline or the antenna connector
solder has poor contact or is short circuited.
• Rotate [SQUELCH] counterclockwise to a
suitable position.
• Check, and if necessary, replace the feedline or
solder the antenna connector again.
Transmitting is impossible or
high power cannot be
selected.
• Transmission is restricted on some channels.
• Change channels.
p. 18
Desired channel cannot be
selected.
• Different channel group is selected.
• Push [CH/WX] + [H/L] to select the appropriate
channel group (U.S.A., INT or CAN).
p. 6
No display backlighting.
• Backlight function is turned OFF.
• While pushing [ H/L • DIM], push [UP]/[DN] to
select the desired brightness.
p. 10
Scan does not start.
• No “TAG” channels are programmed.
• Set channels to be scanned as “TAG” channels.
p. 9
• [SQUELCH] is rotated too far clockwise.
p. 14
17
IC-M45A Manual
99.3.29 2:45 PM
Page 18
VHF MARINE CHANNEL LIST
Channel number Frequency (MHz)
Channel number Frequency (MHz)
Channel number Frequency (MHz)
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
01
01
01A
156.050 160.650
156.050 156.050
02
02
02A
156.100 160.700
Guard
03
03
03A
Guard
05
06
06
20
21A
66A
66A 66A*1 156.325 156.325
157.050 161.650
67*2
67
67
156.375 156.375
85
21A 157.050 157.050
68
68
68
156.425 156.425
85A
157.100 161.700
69
69
69
156.475 156.475
86
21
157.000 161.600
23
23A
66
156.325 160.925
70*3 70*3 70*3 156.525 156.525
71
156.575 156.575
87
157.150 157.150
72
72
72
156.625 156.625
87A
24
24
24
157.200 161.800
73
73
73
156.675 156.675
88
156.350 160.950
25
25
25
157.250 161.850
74
74
74
156.725 156.725
88A
07A 156.350 156.350
26
26
26
157.300 161.900
75
75
75
Guard
Guard
76
Guard
Guard
08
156.400 156.400
27
27
27
157.350 161.950
76
76
09
09
156.450 156.450
28
28
28
157.400 162.000
77*1
77
77*1 156.875 156.875
10
10
10
156.500 156.500
60
60
156.025 160.625
78
156.925 161.525
12
12
13
14
14
11
12
156.550 156.550
156.600 156.600
13*1 156.650 156.650
14
60A
Guard
61
61A
156.700 156.700
17*1
16
16
62
17
17*1
18
18A
*1Low
156.850 156.850
63
power only.
*2Momentary
156.175 156.175
64
64A
high power.
80
80A
156.175 160.775
63A
156.900 161.500
18A 156.900 156.900
79
79A
156.125 160.725
62A 156.125 156.125
156.800 156.800
78A
156.075 160.675
61A 156.075 156.075
15*2 15*1 15*1 156.750 156.750
16
Guard
64
81A
156.225 160.825
64A 156.225 156.225
*3Receive
81
only.
82
82A
84
84
85
85
157.175 161.775
86
86
87
87
88
88
157.225 161.825
157.225 157.225
157.275 161.875
157.275 157.275
86A
71
08
13*2
84
83
83A 157.175 157.175
84A
71
09
11
83A
157.150 161.750
08
11
18
157.000 157.000
20
65A 156.275 156.275
83
65A
22A 157.100 157.100
23
156.275 160.875
65A
22
22A
65
156.300 156.300
07
07A
19A 156.950 156.950
21
156.250 160.850
05A 156.250 156.250
06
20
156.950 161.550
20A
156.200 160.800
04A 156.200 156.200
05A
19A
156.150 160.750
156.150 156.150
04
19
157.325 161.925
157.325 157.325
157.375 161.975
157.375 157.375
157.425 162.025
157.425 157.425
WX channel
Frequency (MHz)
Transmit
Receive
01
RX only
162.550
78A 156.925 156.925
02
RX only
162.400
156.975 161.575
03
RX only
162.475
79A 156.975 156.975
04
RX only
162.425
157.025 161.625
05
RX only
162.450
80A 157.025 157.025
06
RX only
162.500
157.075 161.675
07
RX only
162.525
81A 157.075 157.075
08
RX only
161.650
157.125 161.725
09
RX only
161.775
82A 157.125 157.125
10
RX only
163.275
NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT
be lawfully used by the general public in USA waters.
IC-M45A Manual
99.3.29 2:45 PM
Page 19
SPECIFICATIONS AND OPTIONS
■ Specifications
General
• Frequency coverage
• Usable channels
• Mode
• Power supply requirement
• Current drain
(at 13.8 V DC)
• Frequency stability
• Usable temperature range
• Dimensions
(projections not included)
• Weight
: Transmit 156–157.5 MHz
Receive
156–163 MHz
: All USA, international and Canadian
channels plus 10 weather channels
: 16K0G3E
: 13.8 V DC ±10% (negative ground)
: Transmit
high power
6.0 A
Receive
max. audio output 1.2 A
: ±10 ppm (–20°C to +60°C)
: –20°C to +60°C; –4°F to +140°F
: 152(W) × 67(H) × 144(D) mm
6(W) × 25⁄8(H) × 52⁄3(D) in
: 900 g; 2 lb
Transmitter
• Output power
• Modulation system
• Max. frequency deviation
• Spurious emissions
• Microphone impedance
: High 25 W Low 1 W
: Variable reactance
frequency modulation
: ±5 kHz
: Less than –65 dB
: 600 Ω
Receiver
• Receive system
: Double-conversion
superheterodyne
• Intermediate frequencies
: 1st
21.7 MHz
2nd
450 kHz
• Sensitivity
: 0.3 µV at 12 dB SINAD typ.
• Intermodulation rejection
: Typical 70 dB
• Adjacent channel selectivity
: Typical 70 dB
• Spurious response rejection ratio : Typical 65 dB
• Audio output power
: Typical 4 W at 10%
(at 13.8 V DC)
• Audio output impedance
distortion with a 4 Ω load
:4Ω
■ Options
MB-69 FLUSH MOUNT
For mounting the IC-M45 to a panel. Available in black or
white.
HM-124B/W SMART MICROPHONE
Optional microphone same as supplied. (W: white, B: black)
SP-5 EXTERNAL SPEAKER
A large, external speaker for superior audio output.
SP-10 EXTERNAL SPEAKER
A compact, external speaker. Features easy installation.
19
IC-M45A Manual
99.3.29 2:45 PM
Page 20
Count on us!
A-5581D-1US
Printed in Japan
© 1999 Icom Inc.
6-9-16 Kamihigashi, Hirano-ku, Osaka 547-0002 Japan

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Author                          : Icom Inc.
Title                           : IC-M45A Manual
Modify Date                     : 1999:03:29 14:55:55
Page Count                      : 24
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