I Tone Scan/Dtcs Code Scan Operation; Scan - Icom IC-7400 Instruction Manual

8
SCANS

I Tone scan/DTCS code scan operation

By monitoring a signal that is being operated with a re-
peater, tone squelch or DTCS, you can determine the
tone frequency necessary to open a repeater or the
squelch.
q Push [AM/FM] to select FM mode.
w Push [MENU] several times to select
e Push [F4
] for 1 sec. to enter tone set mode.
r Push [F1
] to select the tone type to be
scanned.
• " " for repeater tone, "
tone squelch and "
selected.
• When selecting DTCS code to be scanned, push [F5]
several times to select the DTCS code polarity.
" " : Normal polarity for both transmit and receive.
" " : Normal polarity for transmit and reverse polarity
for receive.
" " : Reverse polarity for transmit and normal polarity
for receive.
" " : Reverse polarity for both transmit and receive.
t Push [F2
] to start the tone scan function.
• "
"
tone squelch scan or DTCS code scan is operated, re-
spectively.
y When a matched tone or code is found, the scan
pauses and the tone frequency or code is set for the
selected tone as in step r.
When the tone scan or DTCS code scan is operated
in memory or call channel mode, the detected tone fre-
quency or code can be used temporarily.
To keep the detected tone frequency or code setting
for memory contents, you must over-write the memory
or call channel.
u Push [F2
] to cancel the tone scan function.
• Rotating the tuning dial during scan also cancels scan
operation.
73
.
" for DTCS code can be
," "
" blinks when repeater tone scan,
F 1
Push [F4] for 1 sec.
" for
F 1
Push [F1] several times to select tone type.
• Repeater tone scan
F 1
" or
Push [F2] to start/cancel the scan.
• Tone squelch tone scan
F 1
Push [F2] to start/cancel the scan.
• DTCS code scan
F 1
Push [F2] to start/cancel the scan.
Push [F1] several times to select polarity.
F 2 F 3 F 4
F 2 F 3 F 4
F 2 F 3 F 4
F 2 F 3 F 4
F 2 F 3 F 4
F 5
F 5
F 5
F 5
F 5