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4
RECEIVE AND TRANSMIT
4-24
To search for a repeater’s sub-audible tone frequency,
a tone scan is available.
By monitoring a repeater signal with a tone squelch or
DTCS, you can determine the tone frequency neces-
sary to open the repeater or the squelch.
Select the desired frequency band. (p. 3-6)
q
On the Mode selection screen, touch “FM” to select
w
the FM mode.
Push
e
MENU
(
C
) one or more times to select the
“M-2” screen (M-2 menu).
Touch [TONE](
r
D
) for 1 second to display the “TONE”
screen.
Touch [TONE](
t
D
) one or more times to select the
tone type to be scanned.
• “Repeater Tone” for a repeater tone, “TSQL Tone” for tone
squelch or “DTCS Code” for a DTCS code, appears.
• When selecting a DTCS code to be scanned, the DTCS
code and its polarity is displayed. You can select the de-
sired polarity by pushing [POL](
D
).
“NN”: Normal polarity for both transmit and receive.
“NR”: Normal polarity for transmit and reverse polarity for
receive.
“RN”: Reverse polarity for transmit and normal polarity for
receive.
“RR”: Reverse polarity for both transmit and receive.
Touch [SCAN](
y
D
) to start the Tone or DTCS scan.
• “Repeater Tone SCAN,” “TSQL Tone SCAN” or “DTCS
Code SCAN” blinks, depending on the type you select-
ed.
• If the squelch is open while scanning, the scan speed
decreases.
• If
“Up/Down” is selected as the “MAIN DIAL (SCAN)” op-
tion in the Scan Set mode, rotating the Dial changes the
scanning direction. (p. 12-5)
When a matched tone or code is found, the scan
u
pauses, and the detected subaudible tone frequency
or DTCS code is set.
• If desired, touch [DEF] for 1 second to reset to the default
setting.
Touch [SCAN](
i
D
) to cancel the scan.
When the tone scan or DTCS code scan is used in
the Memory or Call channel mode, the detected tone
frequency or code can be temporarily used.
To save the detected tone frequency or code set-
ting, you must overwrite the Memory or Call channel
data.
Tone scan/DTCS code scan operation
L
eft
R
ight
C
enter
D
isplay
The
L
,
R
,
C
or
D
in the
instructions indicate the
part of the controller.
L
: Left side
R
: Right side
C
: Center bottom
D
: Display (Touch screen)
While Tone scanning in the VFO mode
Touch [TONE] to
select the tone
type
Touch [TONE]
for 1 second
Touch [SCAN]
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