ICOM IC-703 Manuale Utente

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1

PANEL DESCRIPTION

■Multi-function switches

DM1 functions

SPLIT OPERATION (p. 30)

➥Push momentarily to toggle the split func-

tion ON and OFF. (p. 51)

• “

ä”appears when the split function is ON.

➥Push for 1 sec. to turn the quick split func-

tion ON. (p. 52)

• The offset frequency must be programmed in

advance using initial set mode. (p. 80)

• The offset frequency is shifted from the dis-

played frequency.

• The quick split function can be turned OFF

using initial set mode. (p. 79)

➥Push momentarily to toggle VFO A and

VFO B in VFO mode. (p. 18)

➥Push momentarily to toggle the transmis-

sion VFO and reception VFO during split
operation. (p. 51)

➥Push momentarily to toggle the transmit

and receive frequencies (and modes) of
memory channels when the split function
is turned ON.

➥Push for 1 sec. to equalize the frequency

and operating mode of the two VFO’s.

• The rear (undisplayed) frequency and oper-

ating mode are equalized to the front (dis-
played) VFO frequency and operating mode.

TRANSMIT FREQUENCY CHECK (p. 51)

Monitors the transmit frequency when
pushed and held.

• While pushing this switch, the transmit fre-

quency can be changed with the main dial.

DM2 functions

MEMORY WRITE (p. 57)

Push for 1 sec. to store the selected read-
out frequency and operating mode into
the displayed memory channel.

MEMORY CLEAR (p. 58)

Push for 1 sec. to clear the selected read-
out memory channel contents.

• “

}” appears.

• This switch does not function in VFO mode.

➥Push momentarily to toggle between VFO

and memory modes. (p. 56)

➥Push for 1 sec. to transfer the frequency

and operating mode in the selected mem-
ory channel to a VFO. (p. 58)

DM3 functions

FILTER SELECTION (p. 49)

Push to toggle the narrow filter (or wide
filter—push for 1 sec.) ON and OFF.

• “

ã”appears when the narrow filter is ON;

“

ç” appears when the wide filter is ON.

• An optional filter installation and presetting in

initial set mode (p. 79) is necessary to use
the following:

CW/RTTY narrow: FL-52A or FL-53A
SSB narrow: FL-222
SSB wide: FL-257

NOISE BLANKER (p. 48)

➥Push momentarily to toggle the noise

blanker ON and OFF.

• “NB” appears when the noise blanker func-

tion is ON.

• The noise blanker does not function in FM

mode; “

30 AM NB” item (p. 80) in initial set

mode must be set to ON for the noise
blanker to work in AM mode.

➥Push for 1 sec. to enter the noise blanker

level set mode.

• The noise blanker level can be set in noise

blanker level set mode (p. 46).

NB

FIL

M3

FIL

NB

MET

V/M

MCL

MW

M2

MW

MCL

V/M

XFC

A/B

SPL

M1

SPL

A/B

XFC