Tristar 797 User manual

Operation Manual

Tristar

797

200 Channel Mobile

5-Mode Transceiver

General

The
mobile

operation
circuitry.

in

features
communications

TRISTAR

use.

both

transmit

Description

by

The

which

797

It

employs

means

useofPLL

of digital

and

receive

will

provide

underawide

is

a combination

the

very

frequency

assuresaprecise

mode.

greater

rangeofconditions.

transmitter-receiver

latest

technology
synthesis

on-frequency

The

TRISTAR

operating

convenience

designed

to

provide

with

PLL

(phase-locked-loop)

operationonevery

797

also

includes

and

primarily for

200

channels

many

assure

of

channel

other

optimum

Operableon200

3-way
5

switch.
ProvisionofPA.
Concentrically
sionsoroperateininter-channel
Tone
RF
TX
External
Electrically floating
switching,
A high-sensitivity

RF

Full

noise

modesofoperation-CW,

switchtoselect
power
lamp

that

speaker

channels

Gain

switch.

reduction

mounted

output

indicates

jack

divided

features

receive

switchablein3-way

foranextra
chassis

dynamic

- ANL

Fine

tonal

you

are

microphone

for

CAUTION

into

five

groupsof40

and

noise

LSB,

USB,

AM,

and

Coarse

frequencies.

qualityin2-way.

on-the-air.

sound

negativeorpositive

controlstofine

for

required

source.

equipped.

channels.

blanker.

or

FM-selectable

communication

ground

with arotary

tunetoany

range.

operation

transmis-

without

FOR

REPLACEMENTOFTHE

IN

DC

TO

POWER

USE

3,5A

CABLE,

FUSE.

PLEASEBESURE

FUSE

2

Specifications

General

Frequency
Frequency

Channels.
Frequency
Emission.
Power

source.

Receiver

Sensitivity.

Selectivity.
Audio
Fine
Coarse
Squelch

I

frequency.

Output.

Tune

Tune

ntermed

range.

iate

composition.
range.

A ­B ­C­D-

E-

200

space.

range.

range.

10

AM/FM/USB/LSB/CW

13.8VDC

AM
FM
SSB/CW-0.5
60
2W@80hm

±
± 5

0.5to300
AM/FM-10.695

SSB/CW-10.695

PLL

synthesizer

26.065to26.505

26.515to26.955

26.965to27.405

27.415to27.855

27.865to28.305

kHz

- 1

micro-V

- 1

micro-V@20dBSIN

dB

800

Hz

kHz

micro-V

MHz
MHz

MHz
MHz
MHz

@

10

dB

SIN

micro-V@20dBSIN

MHz/455

MHz

kHz

Transmitter

RF

power

output.

SSB

generation.

Coarse

Tune

range.

High

SSB/CW
AM
FM
Double-balanced
latice

±5

kHz

filter

12

W 8W 2W

~5W

lOW

4W

7W

modulator

Mid

with

Low

1W

2W

crystal

3

r---------

Operating

(1)

Varies
the

extremely

(2)

Selectsagroupof40

(3)

Usedtoeliminate
degreeofsensitivitytoincoming
rotatedtothe
counterclockwise

(4)

Selects
(lower
(frequency

Controls

OffNolume

the

sound

counterclockwise

Band

Selector

Squelch

Mode

Control

Selector

the

modeofreception

side

band),

modulation).

and

Features

Control

output

any

fully

position,itprovides

from

channelsinfive

annoying

clockwise

USB

(upper

the

speaker.

position.

background

signalsisadjustable.

position, it

minimum

and

transmission-CW

side

band),

Also

positions-A,B,C,0,orE(200inalll.

noise

provides

AM

incorporatesanon-off

whennosignals

When

the

Squelch

maximum

squelch.

(amplitude

squelch;inthe

(continuant

modulation),orFM

are

switch

present.

control

wave),

at

The

is

fully

LSB

4

r A!'/

('/l

•

(5)

Fine/Coarse

T

hisisconcentrically

ing

and/or

Fine

FM

SSB

ertoadjust

frequency.

Coarse

knob

(6)

A

50·detent

Band
Window
emitting-diode)

(7)

Lightsupwhen

(8)

A

digital

Turned

(9)

Enables

High.

communication

!'.t1iddle.

low.

short

Note.

the

modeofoperation.

(10)

Changes

High.

Low.

(11)

When
amplifier.
(8

Ohm,

(12)

Activates
noises

transmitting

(inner

knob).

reception,

(either

Channel

TX
Channel

Power

Tone

Low

NB

upper
for

Tune

(outer

exceptitprovides

selector.

rotary

Selector

switch.

above

indicator

indicator

LED

displaytoshow

off

when

Selector

youtoselect

In

this

position

In

this

In

this

position,

range

communication.

TheRFpower

Switch

tonal

qualityinreceivingin2

High

tonesinthe

tonesinthe

CB·PA

switch

settoPA

Before

more

than2W)tothePASpeaker

switch

the

noise

(ignition

Control

located

frequencies.

Provides

this

will

permit

side

bandorlower

clearer

voice

knob).

adjustmentofboth

switchtoselect

this

switch

digital
transmitting.

position,

noise,

readout.

operating

theRFpower

the

range.

the

output

sound

(lever
operating

blanker

etc.).

theRFpowerismedium

See

sound

down)

contraIthat

fine

tuningofthe

adjustmenttooff-frequency

reception.

This

control

indicates

channel

PA.

outputofthe

transceiver

minimumRFpower

level

(W)

Specifications

output

output

PA,

circuit

are

position,

you

whichiseffectiveinreductionofimpulse

perm

side

band)

This

control

operatesinthe

receive

anyof200

the

channel

selected.

produces

which

each

section

ways:

are

emphasized.

emphasized.

the

must

first

jackonthe

transceiver

its

ind

ividual

receiver

mode,

thisisusedasa

will

and

transmit

channelsinconjunction

selected

transceiverin3

full

rated

level.

outputisobtained,

position
for

specificRFpower

connectanexternal

unit

adj

ustmentofreceiv-

section.OnregularAMand

transmissions.Inthe

not

affect

same

mannerasthe

frequencies.

usinganLED

ways:

RF

power

providesisdependent

actsasa

rear

panel.

voice

clarifi-

the

transmitter

with

(Light-

for

maximum

maybeused

output.

public

PA

address

speaker

type

Fine

the

for

on

5

(13)

ANLswitch

Activates
in

reductionofatmospheric

(14)

SelectsRFGain

OX.

can
Normally

Mid.

desiretopick

Local.

pick
which

(15)

Servestodual
When
units.

(16)

Accepts

allows

properly

(17)

Supplied.

the

RF

Gain

In

this

position,

pickupeven

this

switch

In

this

position,

only

In

this

up

only

the

are

causing

Meter

purpose

receiving,

When

transmitting,

Microphone

plug

from

the

plug

onto

the

Microphone

With

automatic

switch

(receiver

weak

strongorfairly

position,

strong
overloadinreceiving

this

jack

the

insertedinonly

Jack.

transmit

noise

limiterinthe

(discharge)

sensitivity) of

the

receiver

signals.

shouldbeplacedinthis

the

receiver

the

receiver

signals.

meter

this

microphone

pushbar

Maybeused

gives

givesRFpower

one

(PTT)

interference.
the

section

sensitivityismedium,

strong

signals.

sensitivityisminimum,

sound.

the

relative

supplied.

way.

mountedatthe

audio.

transceiverin3

provides

position.

when

strengthofincoming

outputinlower

The

Do

not

The

maximum

and

receiving

jack

hasalocating

force

the

left

ANL will

ways:

sensitivitysothat it

maybeused

and

strong

scale.

plug

side.

but

the

(close)

key

align

be

when

receiver

signals

inside

effective

you

will

signals

in'S'

and

key

way

®®@

@ @

6

Rear

Panel

Connection

(1)

Antenna

AcceptsaPL-259
(2)

CW

Key

Acceptsa3.5

(3)

External

Usedtoconnectanexternal
tionofthe

(4)

UsedtoconnectaPA
Before

(5)

13.8VDC
cable

plug

PA

Speaker

operatingPAyou

13.8VDCjack

supplied).

jack

mm

Speaker

power

type

coaxial

2-conductor

jack

from a

speaker

jack

speaker(8Ohm4W)

must

for

the

connector

phone

speaker(8Ohm4W)asan

will

first

transceiver

from

the

plugtoconnectaCW

silence

connectaPA

the

internal

forPAoperation.

supplied

through

speakertothis

antenna

speaker

this

lead-in

key.

extra

sound

automatically.

jack.

socket

cable.

source.

(usingDCpower

Inser-

7

Fine

Control

This

control

FM

reception,
received
a

voice

Opeation

provides

this

signalisslightly

clarifierbyturning

will

fine

permit

tuningofthe

slight

adjustmentofyour

off-frequency.

it for

clearest,

receiver

For

SSB

most

intelligible

by±0.8

tuningincases

reception,

voice.

kHz.

On

this

controlisused

regularAMor

where

the

as

Coarse

This
reception
5

Tune

control

and

kHzup(when
fully).Inthe
(as

listedinthe

CW

Operation

(1)

Set

the

(2)

ConnectaCW

(3)

To

transmit

Note.

To

transmit

microphone.

Morse

Codes

A

B
C

o

E

F
G

H
I

J

K

L
M
N

o

P

Q

R

S

T

U

V

W

x

y

z

1·-)

1-'

1-

(-,

(

·1

(.

(-_.

()

I,)

I·

---)

(-

(-

1--)

1-

1---1

1--1

1--

1-

(

,)

(-)

I··

I,

I·

--I

(-

1-

(-_.

Ca.ntrol

acts

Operation

likeaVFO

transmission.

rotated

center

position,

Frequency/Channel

Mode

selectortoCW

keytothe

with

Morse

CW,

·1

-,)

-)

-)

)

-)

.-'-)

--I

)

)

, )

-I

1

-)

)

2

3

4

5

6

7

8

9

o

(variable

This

clockwise

the

CW

codes,

you

may

1

frequency

shifts

the

assigned
fully)ordown
receiving

Chart).

position.

Key

jackonthe

simply

(.

----I

(.

(.

(

( )

(_.

(--

1---·
1----·

(-----)

not

---)

--I

.. I

_)

operate

depress

)

)

)

oscillator)

center

(when

and

transmitting

rear
the

the

allowing
frequencyofthe
rotated

panel.

key.

transmit

inter-channel

channel

counterclockwise

frequencyisnormal

switch

(PTT)onthe

10

Frequency/Channel

Chart

--"

A·Band

MHz MHz

Channel

Frequency

26[)6~)

1
2 26.075 2 26.525

26.085

3

4
5
G
7

B

9 26165 9
10
11

12

13

14
15
16

17

18

19

20
21
22
23
24
25
26
27
28
29

30

31
32

33

34
35
36

37
38
39
40

·

26.105
26115

26.125

26.m

•

26.155

26175
2G

185

26.205

•

262E)

26.225

26.235

J

26.255

26.265

26.275

26.285

26305

·

26315
26325

26355?

26.335

26345

26.365

26375
26385
26395
26405

26.415

26425

26.435

26.445

26.455

26.465

2,6475
2,6.485

26.495
2650"

B·Band

Channel

1 26S15 1 26.965

3
4 26.555

5
6
7

B 26.605

10

11

12
13
14
15
16
17
18

19
20
21

22

23
24
75
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Frequency

26.535

•

26.565

26.57S
26585 7

.

26615

26.625

26.635

•

26655

26.665

26.675

26.685

26.705 •

26.715

26.725

26.735

.

26.755

26.765

26.775

26.805 \

26.785

26.795

26.815

26.825

26.835

26.845

26.855

26.865

26.875

26885
26895

26.905

26915

26.925

26935

26.945

26.955

Channel

2

3

4

~)

6

8

9
10
11
12
13
14
15
16
17
18
19

20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

36

37

38
39
40

C-Band

MHz MHz

Frequency

26.975 2

26.985 3

•

27.005 4 27A55 4

27.015 5

27.025 6 27A

27.035

r

27.055

27.065

27.075

27.085

•

27.105

27.115

27.125

27.135

27.155

·

27.165

27.175

27.185

•

27.205
27215

27.225

27.255

~

27.235

27.245
27265

27.275

27.285
27295

27.305
27315

27.325

27.335

27.345
27355

27.365
27375

27.385

27.395

27.405

D-Band

Channel

Frequency

1

27~

1

27

AZ5

27A35

27A65

75

7 27.485
8 27.505
9 27.515 9

10

27.525

11

27.535

12

27555

13

27565

14

27

575

15

27585

16

27605

27.615

17
18

27625

27.635

19

20

27655

27.665

21

27.675

22
23

27.705 )

24

27.685

25

27.695

27.715

26
27

27.725

27.

28
29
30
31
32
33
34
35
36
37
38
39
40

735

27.745

27.755

27.765
27775

27.785

27.795

27.805

27.815

27.825

27.835

27.845

27.855

ft

.

#

.

.

..

Channel

I

2 27.875

3

5 27.915
6
7
8

10
11
12
13
14
15
16
17
18

19
20
21

22

23
24

25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

E-Band

Frequency

27

27.885

27.905·

27.925

27.935

27.955

27.965

27.975

27.985

28.005

28.015

28.025

28.035
28

28.065
28075
28085

28.105
28115

,

28.125

28.155

28.135

28.145

28.165

28.175

28.185

28.195

28.205

28.215

28.225

28.235

28.245
28255

28.265

28.275

28.285
28295
28305

MHz

865

055

'

.

•

•

~.

.~

'"

E

Q)

-£

en