Cubic SWAN SS-15 User Manual

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NOISE

BLANKER

When noise is

encountered,

it may

be

possible

to eliminate

it

by

advancing the

BLANKER level control clockwise.

The

balnker

cir-

cuitry

is very effective

on ignition and

other types

of

pulse

noise but

generally

ineffective

on

some types

of power line noise

and

atmospheric

"static"

on the

lower

bands.

0ptinum adjustment

will be

found through

experience.

If

the

BLANKER level control is

advanced

too

fat,

cross

modulation

may occur.

Some time

spent

experimenting

under

a variety

of noise and

band conditions

will

prove

very worthwhile.

TRANSMIT

-

SSB

If not

already

done,

pelform

the

steps described

in the

Initial

Control

Settings and

Initial

Power

0n

paragraphs of this

manual

section.

Press

the

push-to-talk switch

on the

microphone

and speak

in a normal

and natural

tone

of voice.

Adjust the

MIC GAIN

control

clockwise

until the

meter

kicks

upward

on

occasional

voice

peaks.

This is the

optinum

gain

setting.

The transceiver

is now

ready

for receive and transmitting

SSB using

PTT.

;

For VOX

operation,

position

the

PTT

-

VOX

switch

to

V0X.

Speak

into

the

microphone

in a natural

tone

of voice

and

adjust the"Vgl

GAIN

controt

until

the transceiver

goes into transnit.

Stop talking

and

adjust the

ANTI VOX control

until

the

VOX circuitry

does not

react to

sounds coning

from the

transceiverrs

speaker.

Repeat

the

adjustnents

of

the

VOX

GAIN and

ANTI

VOX

until

satisfactory

VOX

operation

is

achieved.

NOTE

"No

other

operator

adjustments

are

required

involving

the

trans-

mitter circuits.

A snall

amount

of audio

"talk-backt'

is

normal

in

SSB.

If this

is

objectionable

when using

head

phones

add

some

attenuation

ahead

of the

phones.

There

is enough

audio

power

in

receive

to compensate

if

the

gain

is turned

up.

'

TRANSMIT

-

CW

Position

the

MODE

switch

to

CW,

place the

key

down,

and

adjust-

the

CW DRIVE control

until

the

m-eter

just

begins

to

nove

upward.

Return

the

MODE switch

to

Norm.

The

transceiver

is now

ready

for

CW operation.

It will be necessal1z

to

position

the

MODE

switch

to NORM

during

receive

and to

CW

for transnit.

-18-

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Cubic SWAN SS-15 Specifications

General

Brand	Cubic
Model	SWAN SS-15
Category	Transceiver
Language	English