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ICOM 288800 Manuale Utente

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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.
• 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.
• OFF : The backlight is turned OFF.
• 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. 
(more than 10 V DC)
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.
• 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
300
300
500
500
DTMF SPEED
DTMF SPEED
r
100
100
200
200
300
300
500
500
DTMF SPEED
r
TX/RX: Normal polarity
TX/RX: Reverse polarity
BOTH N
BOTH N
TN-RR
TN-RR
TR-RN
TR-RN
BOTH R
BOTH R
DTCS POLARITY
DTCS POLARITY
r
BOTH R
BOTH R
TN-RR
TN-RR
TR-RN
TR-RN
BOTH N
BOTH N
DTCS POLARITY
r