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PANEL DESCRIPTION
u
CHANNEL SELECTOR [DIAL•ENTER]
➥
Rotate to select the operating channels, Set mode set-
tings, etc. (pp. 6–8, 53)
➥
While holding down
[H/L], rotate to adjust the bright-
ness of the LCD and key backlight. (p. 10)
➥
Push to enter the input channel comment, selected
item, etc. (pp. 9, 53)
➥
Rotate to check TAG channels, changes scanning di-
rection or resumes the scan manually during scan.
(p. 13)
➥
While holding down
[HAIL•RX
], rotate to adjust the
audio level in RX Speaker mode. (p. 49)
➥
Hold down for 1 second to display the GPS information
when a GPS receiver is connected. (p. 19)
i
CHANNEL/WEATHER CHANNEL KEY
[CH/WX•DUAL•U/I/C]
➥
Selects and toggles the regular channel and Weather
channel when pushed momentarily. (p. 7)
➥
Hold down for 1 second to start Dualwatch or Tri-watch.
(p. 14)
➥
Push to stop Dualwatch or Tri-watch when either is ac-
tivated. (p. 14)
➥
Push to move the cursor backward while in the channel
comment programming mode. (p. 9)
➥
While holding down
[H/L], push to select one of three
channel groups in sequence. (p. 7)
• U.S.A., International and Canadian channels are available.
o
SQUELCH CONTROL [SQL]
Rotate to set the squelch threshold level. (p. 8)
!0
SCAN/TAG KEY [SCAN•TAG] (p. 13)
➥
Push to start and stop Normal or Priority scan.
➥
Hold down for 1 second to set or clear the displayed
channel as a TAG (scanned) channel.
➥
While holding down
[H/L], hold down for 3 seconds to
clear or set all TAG channels in the selected channel
group.
!1
VOLUME CONTROL [VOL] (p. 8)
Rotate to adjust the audio level.
!2
TRANSMIT POWER KEY [H/L]
➥
Push to toggle the power high or low. (p. 8)
• Some channels are set to low power only.
➥
While pushing this key, some keys perform secondary
functions.
!3
POWER KEY [POWER] (p. 8)
➥
Push to turn power ON.
➥
Hold down for 1 second to turn power OFF.
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Summary of Contents for IC-M504A
Page 1: ...INSTRUCTION MANUAL iM504A VHF MARINE TRANSCEIVER ...
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