Kenwood TM 2570 A Owners Manual

Page 2

Thank you for purchasing the new TM-3530A/2570A/2550A/25505/2530A IranS-
ceiver. Please read this instruction manual carefully before pleoing your transceiver in
service. This unit has been carefully engineered and manufacmred to rigid quality stana
dards. and should give you satisfactory and dependable operation for many years

This Instruction Manual covers the following models:
TM-3530A 220 MHZ FM transceiver with KENWOOD brand
TM-257OA 144 MHz FM transceiver with KENWOOD brand;
TM-2550A 144 MHz FM transceiver with KENWOOD brand
TM-2550E 144 MHz FM transceiver with KENWOOD brand;

(UK. and Europe version)
TM-2530A 144 MHz FM transceiver with KENWOOD brand.

When there are differences in operation separate instructions will be given for each
model, Illustrations show the TM»2 550A.

The following explicit definitions apply in this manual:

Note: If disregarded. inconvenience only, no risk of equipment damage or personal
injury.

Caution: Equipment damage may occur. but not personal inJury.

Page 8

-i:l-@

(D Lift the lever.

in)

The angle of the bracket may
be adjusted to any of 5 Doss»
b)e viewing angles by loosen-
mg the 4 allen bolts at the
top ol the bracket using the
hex wrench provided.

After the desired angle has
been selected tighten the 4
bolts

-@

cure the transceiver.
(b)
Fig. 33
3-2. CONNECTION
3-24. Precautions
1. When connecting or disconnecting the power cable to 3,

or from the power connector, be sure to turn off the
POWER switches of the transceiver and the DC power 4
supply. '

2. Observe polarity of the cable. The transceiver oper-
ates on 13.8 VDC, negative ground. Battery polarity
must be correct. The power cable is color coded;

Red and white : @polarity (Positive)
Black and gray : 6 polarity (Negative)

3-2-2. Fixed station

G) Press the lever down to se~

- ® Carefully slide the transceiver
into the mounting bracket.

5) By installing a lock thru the
keyhole on the side of the
mounting bracket, the lever
can be locked and the trons-
ceiver secured.

.3 .u ammo.

The standard operating voltage of the equipment is
13.8V. Do not operate below 12V or over 16V.

. When charging your vehicle battery. or when jump-

starting a dead battery, ALWAYS disconnect the
power cable from the back of the transceiver, or da-
mage may result to the transceiver.

A regulated DC power supply (I 3.8 VDC) is required. The P8430 is recommended for TM-3530A/2550A/25505/2530A.

The PS-SO is recommended for the TM-257OA.
A. PS-50/430 connection

TM-3530A/
2570A] PS-SOor
2550A] P5430

SP-430 2550E/

2530A

Caution:
The P5430 cannot be used with the
TMA2570A.

The KPS-7A can also be used with the
TM-3530A/2530A. (U.S.A only)

Page 12

4. OPERATION

4-1. CONTROLS AND THEIR FUNCTIONS
4-1-1. Front panel

r , AL 9 .0 ] KENWOOD E... run
fl
(9 l_l |_J IS a
.\ ~- m '- l-l ES;
® :1 - i1:
@ g
T0 WSW" m
/ I gt mm: FM TRANSCEIVER
./ .0900 CS .050 RESET =CHL IDCL PHONE TONE VD]
m m on man
L

® AL (Alert) switch
This switch is used to check the specified priority
channel. Depress the switch and the priority channel
will be checked at about 6 second intervals regardless
of the KEY/MCH switch position A "dual beep"
sounds when the priority channel is in use.

® PRIO (Priority) switch
This switch is used to recall the priority channel, By
depressing the switch, the operating frequency is
switched to the priority channel, and the P810 indica-
tor lights.

® LCD Group
See page 12.

® Keyboard
See page 13.

© FLOCK (Frequency Lock) switch
Pressing this switch locks the selected frequency
The LED indicator lights when this switch is ON, as a
visual reminder

(9 ON AIR indicator
This LED (Light Emitting Diode) will light during trans
mission.

0) M.cH (Memory Channel) switch

690)

® ®

channel. There are 23 memory channels. CH 1 to 19,
CHA(H). CH b(b).CHd(d)and CHU(L,). [This
control is also used to select one of the 38 tone fre~
quencies or one of the 15 telephone numbers.
(TM-3530A/257OA/2550A/2530A only)]

(9 VOICE switch
Pressing the switch actuates the VS-i voice synthe-
sizer unit.

TONE switch
(With the TM-3530A/2570A/2550A/253OA)
This switch is used to select the desired tone fre-
quency, Any one of which can be 38 different fre-
quencies between 67.0 Hz and 250.3 Hz are availa-
blet See page 20 for additional information on this
switch, (Optional tone unit TU77 requrredt)

(With the TM-2550E)

When this switch is pressed, the repeater control tone
Signal (1750 Hz) circuit is activated and the unit is set
in the transmit mode.

® (With the TM-353OA/257OA/2650A/2530A)
PHONE switch
Press this swrtch to select the telephone address
number and program or recall the desired telephone

® @®@

® SQL (Squelch) control

To eliminate receiver noise during n
slowly adjust the SQL control cloc
noise disappears and the CJUN int
(threshold point).

When a signal is received, the squelc
C.TUN indicator will light and the sp
are If the signal is weak or fades durir
tion. readjust the squelch for constan
scan operation. this control must be
shold point.

® POWEHNOL control
Power ON/OFF switch and volume 5
bined Turning the control fully count
turn the power OFF. Clockwise rotatit
the audio output.

43; DCL system keyboard
See page 25.

® MIC connector (B-pin)
For connection of the supplied micr.
MC-48 autopatch microphone).

® Earth (GND)
('3 M flfi?
r-fii smvrprn _ -

Page 14

nnel

9,A

iring
ates

3 in-

iput
cro-

) in-

and
Vith

2. Keyboard

0?

C2)

(gambit;

[ml LEM Lil ms]

ELIE} <0.

H

CD

® Numeric keypad [ii-El
Depress the [EL [EL and E] keys respectively. The
frequency display will indicate 6.940" (146,940
MHz).
[The number keys function also serve as autopatch
keys during transmit mode. (TM-3530A/2570A/
2550A/2530A only

® (Offset Select) key

Depress this key to select a frequency shift other than
the one recommended by the ARRL Band Plan (Sim-
plex, +, or -, 600 kHz for the 144 MHz band and 1.6
MHz for the 220 MHz band) and the ITU Region 1
Band Plan (Simplex, -600 kHz for the 144 MHz
band). (The standard ARRL and Region 1 Band Plan
have been Dre-programmed.)

CD @(Priority Select) key
This key is used to designate the priority channel.
First, select the desired channel, then depress the
PRIO switch and finally press the .key,
The microprocessor is reset by turning the POWER
switch ON while depressing this key.

® El (Lock-Out) key (Skip)
This key is used to designate the memory channel(s)
to be skipped during memory scan. Select the chan-
nel to be skipped when the select switch is set to
M.CH and then press this key, A star * appears on the
LCD to show the channel has been locked-out.

@ EC] (Scan) key
This key is used for scan operation. Press the key
when the squelch is ON. Band-scan operation is exe-
cuted while in the key mode and memory-scan opera-
tion is performed in the memory mode.

(3) lg (Clear) key
Use this key if you have made an error during pro,
gramming. By pressing this key, the frequency set by
the numeric keypad is cleared. When cleared, the free
quency display will indicate the frequency that was
displayed before the last entry was cleared. This key
is also used to release scan operations.

(Z) fl] (Memory) key
This key is used to store frequency and offset.
[This key is also used to store tone frequencies and
telephone numbers in memory. (TM-3530A/3530A/
2570A/2550A/2530A only)]

13