Standard CV110 User manual

OPERATING

INSTRUCTIONS

CV110

2mFM

VFO

Thank

you

for

your

selection

our

new

product

110.

The

STANDARD

110

VFO

exclusively

used

combination

with

144

MHz

Amateur

Band

Transceiver.

110

designed

with

utmost

care

through

our

advanced

techniques

and

ample

experience

the

eld

transceivers

assure

your

everlasting

satisfaction.

CONTENTS

Introduction

Features

Operating

Parts

How

Use

Timing

Meter

CAL

Knob

RTT

Knob

Precaution

for

Mobile

Station

Operation

Specifications

10.

Block

Diagram

11.

Circuit

Diagram

—

Introduction

The

Model

CV-110

VFO

intended

used

with

144

MHz

amateur

band

transceiver.

permits

communications

unlimited

numbers

Channels

simply

disabling

the

crystal

oscillator

transceiver,

performing

advanced

ope«

rations.

The

Model

CV-110

complete

transceive

VFO

with

one

crystal

oscillator

work-

ing

both

for

transmission

and

reception,

thus

allowing

one

touch

Operation

QSY.

Features

Compact

Styling

CV-110

the

same

828M*

size.

The

overall

dimension

less

than

half

the

size

our

conventional

models.

When

used

mobile

Station,

can

mounted

vehicle

driver's

seat

area.

Push-in/Pull-out

Mounting

Brächet

CV-110

can

attached

and

detached

from

the

mounting

brächet

Single

motion

basis.

For

attaching,

just

snap

CV-110

into

the

brächet.

The

reverse

consequence

can

obtained

simply

snapping

off

toward

you.

Vibration-resistant

Design

Due

the

development

fully

isolated

oscillator

block

covered

with

plate

1.2

thich,

CV-110

highly

resistant

against

vibrations.

The

QSO

comparable

that

crystal

oscillator

even

when

the

imit

used

mobile

Station.

Excellent

Frequency

Stability

The

employment

MOS

FET

the

clap

circuit

and

the

use

slit

steatite

bobin,

loch

type

air

trimmer,

etc.,

assure

excellent

frequency

stability.

The

clap

circuit

has

outstanding

Performance

proved

the

circuit

SSB

equip-

ment.

One

Touch

Connection

CV-110

can

ready

for

Operation

simply

plugging

the

connecting

cable

into

the

external

oscillator

terminal

828M

Tuning

Meter

When

CV-110

connected

the

transceiver,

the

center

meter

functions

even

when

the

transceiver

being

operated

with

its

own

built-in

crystal

oscillator.

The

meter

can

used

for

VFO

tuning,

cheching

frequency

deviation

crystal

oscillator,

etc..

KIT

The

RIT

feature

provided

for

round

table

use.

adjusts

the

transceiver

the

deviated

frequencies

occurring

one

two

receiving

stations.

—

Remote

Control

VFO/Crystal

Osci

Ilator

Selection

CV-110

can

turned

and

off

the

memory

switch

mounted

the

micro-

phone.

The

on/off

control

made

quickly

while

the

microphone

being

use

your

band.

CVrllO

incorporates

newly

adopted

glass

epoxi

printed

circuit

board

for

better

operational

Performance.

10)

Green

Lamp

Illumination

The

meter

and

dial

are

illuminated

green.

This

protects

the

Operator

from

dazzling

light

and

assures

safe

driving

car

night.

11)

Removable

Stand

The

removable

stand

used

when

the

unit

operated

fixed

Station.

—

Operating

Parts

(£)

Tuning

Meter

Tuning

Knob

Dial

CAL

Knob

KIT

Knob

Stand

CAL

«IT

How

Use

Connection

Plug

the

connecting

cable

CV-110

into

the

external

oscillator

terminal

the

side

828M

(refer

the

instructions

forC828M).

CV-110

will

now

ready

for

Operation.

This

connection

completes

the

connections

both

the

power

supply

and

the

oscillator

output

circuit.

Note:

CV-110

designed

for

exclusive

use

with

828M

crystal

transmitting/

receiving

system).

cannot

used

with

the

transceiver

crystal

system.

Operation

When

the

connection

has

been

nished,

check

make

sure

that

the

white

line

the

RIT

knob

the

center

position.

Turn

the

power

switch

CV-110.

The

tuning

meter

and

the

dial

will

illuminated

indicating

that

the

power

on.

select

CV-110

the

crystal

oscillator

built

the

transceiver,

use

the

memory

switch

mounted

the

microphone.

Set

the

memory

switch

and

the

orange

light

the

memory

lamp

will

come

indicating

that

CV-110

operating.

Tune

your

desired

receiving

Station

turning

the

tuning

knob

(2).

When

the

meter

828M

shows

maximum

deflection

and

the

tuning

meter

CV-

110

indicates

the

center

position,

then

the

tuning

perfect.

This

also

tunes

the

transmitting

frequency

the

receiving

Station.

Your

CV-110

now

ready

for

QSO

Operation.

Note:

The

memory

Channel

oscillator

circuit

will

not

operate

while

CV-110

being

connected.

sure

shift

the

crystal

oscillating

element

referring

the

instructions

for

€828M

—

Tuning:

Meter

The

tuning

meter

high

sensitivity

ampere

meter

rated

±75/uA.

keeps

operating

long

CV-110

connected

828M.

explained

the

preceeding

Paragraph

How

Use

accurate

tuning

point

obtained

when

the

meter

pointer

indicates

the

center

Posi

tion.

For

practical

use,

however,

minor

deviation

within

the

ränge

the

dotted

lines

(about

±2.5

KHz)

does

not

affect

the

Operation

the

unit.

Note;

When

signal

received,

the

tuning

meter

may

off

the

center

position.

This

way

indication

that

the

unit

trouble.

CAL

Enob

Tuming

the

CAL

Knob

will

vary

both

the

transmitting

and

receiving

fre-

quencies

simultaneously

within

the

ränge

20KHz,

regardless

the

position

the

dial

scale.

calibrate

the

dial

graduation,

use

this

knob

while

utilizing

the

crystal

oscillator

built

C828M.

"Calibrating

Method

Dial

Graduation

Setting

145MHz"

Set

the

dial

CV-110

the

145

position.

Set

the

Channel

selector

828M

the

145

MHz

Channel.

Set

the

memory

switch

the

microphone

OFF

and

confirm

that

the

signal

from

the

transmitting

Station

can

caught

the

crystal

oscillator

inC828M

and

that

the

tuning

meter

CV-110

indicating

the

center

position.

Set

the

memory

switch

the

microphone

that

CV-110

operated.

Turn

the

CAL

knob

slowly

tune

accurately

the

opposite

transmit

Station.

Now,

the

calibration

dial

graduation

will

have

been

completed.

Note:

calibrating

the

dial

graduation,

while

you

receive

signal

from

Station

when

the

frequency

CV-110

exactly

the

same

the

frequency

the

crystal

oscillator

C828M

and

ON/OFF

Operation

memory

switch

repeated

during

the

reception,

unusual

noises

may

sometimes

heard.

This

not

indica

tion

that

the

unit

trouble.

KIT

Knob

Turning

the

RIT

knob

will

vary

only

the

receiving

frequency

within

the

ränge

KHz

independently

the

position

the

dial

scale.

This

knob

used

receive

one

two

stations

with

deviated

frequencies

while

maintaing

the

transmit

ting

frequency

accurately.

For

complete

transceive

Operation

(regulär

communica-

tion

using

the

same

frequency

for

both

transmission

and

reception),

sure

set

the

white

line

the

knob

the

center

position.

—

Precaution

for

Mobile

Station

Operation

For

the

purpose

safe

driving,

please

avoid

using

CV-110

for

QSY

while

the

car

running.

ensure

pleasant

driving,

the

use

the

crystal

oscillator

inC828M

recommended.

—

Specifications

Use:

Frequency

Range:

Current

Drain:

Output

Voltage:

KIT

Adjustable

Range:

CAL

Adjustable

Range

Semiconductors:

Dimentions:

Weight:

VFO

for

band

amateur

transceiver

C828M

144.(W146.0MHz

(Output

frequency:

(30.50~31.00)MHz)

Less

than

250

than

±5KHz

±20KHz,

2FETs

transistors

diodes

235

(mm)

1.0kg

—

10.

Block

Diagram

BUF

TRIP

OSC

BUF

REGULATOR

—

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