ICOM ic-91a ユーザーズマニュアル
99
11
MENU SCREEN OPERATION
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D
D DTCS polarity
Sets DTCS polarity from “BOTH N”
(TX/RX: normal)
, “TN-RR”
(TX: normal, RX: reverse)
, “TR-RN”
(TX: reverse, RX: normal)
and
“BOTH R”
(TX/RX: reverse)
.
(default: BOTH N)
D
D DTMF speed
Select the desired DTMF transmission speed from 100 msec,
200 msec, 300 msec, 500 msec.
200 msec, 300 msec, 500 msec.
• 100
: 100 msec. interval; 5.0 characters per second
(default)
• 200
: 200 msec. interval; 2.5 characters per second
• 300
: 300 msec. interval; 1.6 characters per second
• 500
: 500 msec. interval; 1.0 character per second
■ Display set mode items
D
D Display backlighting
The transceiver has display backlighting with a 5 sec. timer
for night time operation. The display backlighting can be
turned ON continuously or turned OFF, if desired.
for night time operation. The display backlighting can be
turned ON continuously or turned OFF, if desired.
• OFF : The backlight is turned OFF.
• ON
• ON
: The backlight continuously lights ON.
• AUTO : Lights when an operation is performed, goes out
after 5 sec. (default)
*Continuously lights ON while operating with an
external DC power source.
D
D Busy LED
The TX/RX indicator lights green while receiving a signal or
when the squelch is open. This indication can be turned OFF
to conserve the battery power, if desired.
when the squelch is open. This indication can be turned OFF
to conserve the battery power, if desired.
• OFF : The indicator does not function even if a signal is
received.
• ON : The indicator lights green while receiving a signal
or when the squelch is open.
(default)
ON
ON
OFF
OFF
BUSY LED
r
ON
ON
OFF
OFF
BUSY LED
r
AUTO
AUTO
ON
ON
OFF
OFF
BACKLIGHT
r
AUTO
AUTO
ON
ON
OFF
OFF
BACKLIGHT
r
100
100
200
200
200
300
300
300
500
500
500
DTMF SPEED
DTMF SPEED
r
100
100
200
200
200
300
300
300
500
500
500
DTMF SPEED
r
TX/RX: Normal polarity
TX/RX: Reverse polarity
BOTH N
BOTH N
TN-RR
TN-RR
TN-RR
TR-RN
TR-RN
TR-RN
BOTH R
BOTH R
BOTH R
DTCS POLARITY
DTCS POLARITY
r
BOTH R
BOTH R
TN-RR
TN-RR
TR-RN
TR-RN
TR-RN
BOTH N
BOTH N
DTCS POLARITY
r