D rtty reverse mode, Dtwin peak filter – Icom IC-7000 User Manual

Page 62

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53

4

RECEIVE AND TRANSMIT

DRTTY reverse mode

Received characters are occasionally garbled when
the receive signal is reversed between MARK and
SPACE. This reversal can be caused by incorrect
TNC connections, settings, commands, etc.

To receive a reversed RTTY signal correctly, select
RTTY-R (RTTY reverse) mode.

qPush [MODE] several times to select RTTY mode.

wPush [MODE] for 1 sec. to select RTTY or RTTY-R

mode.

Reverse

Normal

BFO

170

Hz

2125

Hz

170

Hz

2125

Hz

BFO

Mark

Space

displayed freq.

displayed freq.

Mark

Space

[MODE]

D

Twin peak filter

The twin peak filter changes the receive frequency re-
sponse by boosting 2 particular frequencies

(2125 and

2295 Hz)

for better copying of desired RTTY signals.

q

P

ush

[MODE] momentarily to select RTTY mode.

• After RTTY mode is selected, push

[MODE] for 1 sec.

to toggle between RTTY and RTTY-R modes.

wPush [AF(

SET

)] momentarily to enter the set mode

menu.

ePush [F-1 QS] to enter the quick set mode.

rPush [F-1 ] or [F-2 ] to select “Twin Peak

Filter.”

tRotate [DIAL] to select the twin peak filter function

ON or OFF.

• The received audio volume may become greater when

the twin peak filter is turned ON.

yPush [Z(

MENU

/

GRP

)] twice to return the normal op-

erating mode.

[DIAL]

[MENU/GRP] [F-1] [F-2]

[AF]

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