Kenwood Tm-271a/e Transceiver Instruction Manual

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1DTMF tones are not transmitted in TX Mode if the
DTMF Lock function is ON.
2When transmitting a stored DTMF number, press Mic
[PTT] + Mic [PF/D], release Mic [PF/D], then press a
Memory Channel number from 0 to 9.  To transmit the
“D” tone, press Mic [PF/D] again.
3On the display,  is represented by “E”.
4On the display,  is represented by “F”.
Note:  When storing a Memory Name or Power-on message, the
DTMF keys can be used.  Each time a key is pressed, the displayed
character will change, according to the table below.
y e Ks r e t c a r a h C d e y a l p s i D
1QZ 1
2ABC2
3DE F 3
4GH I 4
5JKL5
6MNO 6
7PRS 7
8TUV8
9WX Y 9
0] e c a p s [0—/
MIC LOCK
The Mic Lock function disables the Mic PF keys to
prevent you from accidentally changing the transceiver
operation.
1Press [F], [MENU] and turn the Tuning control to
select Menu No. 34 (MC.L).
2Press [MENU] and turn the Tuning control to select
“ON” or “OFF” (default).
3Press [MENU] to store the setting or any other key to
cancel.
4Press any key other than [MENU] to exit Menu Mode.
Note:  The Mic Lock function will not lock the DTMF keys. 
						

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OPTIONAL ACCESSORIES
MC-60AStand Microphone
(MJ-88 required)
PG-2N
DC Power Cable
KPG-46Programming CableSP-50BCommunications Speaker
MCP-1A
Memory Control Program
(Free Software)
The MCP-1A can be
downloaded at:
http://www.kenwood.com/i/
products/info/amateur.html
PG-3B
DC Line Noise Filter
MJ-88
Modular to 8-pin
Microphone Plug
KMC-30MicrophoneKMC-32DTMF Microphone
PG-5A
Data Cable
(E market only)
PS-33/53Regulated DC
Power Supply
Althought the key names differ from those
on the supplied DTMF microphone (K, E,
M3 market models only), the key functions
remain the same. 
						

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TROUBLESHOOTING
MAINTENANCE
G
ENERAL INFORMATION
This product has been factory aligned and tested to
specification before shipment.  Under normal
circumstances, the transceiver will operate in
accordance with these instructions.  All adjustable
trimmers, coils, and resistors in the transceiver were
preset at the factory.  They should only be readjusted by
a qualified technician who is familiar with this transceiver
and has the necessary test equipment.  Attempting
service or alignment without factory authorization can
void the transceiver warranty.
When operated properly, the transceiver will provide
years of service and enjoyment without requiring further
realignment.  The information in this section gives some
general service procedures requiring little or no test
equipment.
SERVICE
If it is ever necessary to return this equipment to your
dealer or service center for repair, pack it in its original
box and packing material.  Include a full description of
the problems experienced.  Include your telephone
number, fax number, and e-mail address (if available)
along with your name and address in case the service
technician needs to call you for further information while
investigating your problem.  Do not return accessory
items unless you feel they are directly related to the
service problem.
You may return this product for service to the authorized
KENWOOD dealer from whom you purchased it, or any
authorized KENWOOD service center.  A copy of the
service report will be returned with the transceiver.
Please do not send subassemblies or printed circuit
boards; send the complete transceiver.
Tag all returned items with your name and call sign for
identification.  Please mention the model and serial
number of the transceiver in any communication
regarding the problem.
SERVICE NOTE
If you desire to correspond on a technical or operational
problem, please make your note short, complete, and to
the point.  Help us help you by providing the following:
•Model and serial number of equipment
•Question or problem you are having
•Other equipment in your station pertaining to the problem
•Meter readings
•Other related information (menu setup, mode, frequency,
key sequence to induce malfunction, etc.)
Do not pack the equipment in crushed newspapers for shipment!
Extensive damage may result during rough handling or shipping. 
						

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Note:
◆Record the date of purchase, serial number and dealer from
whom this product was purchased.
◆For your own information, retain a written record of any
maintenance performed on this product.
◆When claiming warranty service, please include a photocopy of
the bill of sale, or other proof-of-purchase showing the date of
sale.
CLEANING
The keys, controls, and case of the transceiver are likely
to become soiled after extended use.  Remove the
controls from the transceiver and clean them with a
neutral detergent and warm water.  Use a neutral
detergent (no strong chemicals) and a damp cloth to
clean the case.
RESETTING THE TRANSCEIVER
If your transceiver seems to be malfunctioning, resetting
the microprocessor may solve the problem.  The
following 2 reset modes are available.  When performing
the reset, you may lose memory data and stored
information.  Back up or write down important data
before performing the reset.
INITIAL SETTINGS
The factory defaults for the operating frequencies are as
follows.
•Transceiver:  144.000 MHz
The Memory Channels have no data stored.  The
Weather Radio frequency (AL channel) is restored as
162.550 MHz (K market model only).  Refer to pages 25
and 56 for the Call Channel and frequency step size
default values.
Note:  When in Channel Display Mode or while Key Lock is activated{page 58}, you cannot perform VFO reset or Full reset.
FULL RESET
This resets all transceiver parameters to the factory
default values.  There are two methods available for
resetting the transceiver.
Full Reset Method 1:
1With the transceiver power OFF, press [F]+[  ]
(Power).
•All indicators light momentarily, followed by the full reset
confirmation message.
2Press [F].
•“SURE ?” appears.
•Press any key other than [F] to cancel.
3Press [F] again to reset the transceiver.
•“WAIT” appears momentarily. 
						

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Full Reset Method 2:
1Press [F], [MENU] and turn the Tuning control to
select Menu No. 99 (RESET).
2Press [MENU] and turn the Tuning control to select
“FULL”.
3Press [MENU].
•“SURE ?” appears.
•Press any key other than [MENU] to cancel.
4Press [MENU] to reset the transceiver.
•“WAIT” appears momentarily.
VFO RESET
This resets the transceiver parameters excluding the
DTMF Memory, the Memory channel contents, and the
Call channel contents.  There are two methods available
for resetting the transceiver.
Note:  Menu No. 7 (P.VFO) and Menu No. 10 (OFFSET) return to thefactory default values.
VFO Reset Method 1:
1With the transceiver power OFF, press [VFO]+[  ]
(Power).
•The VFO reset confirmation message appears.
2Press [VFO].
•“SURE ?” appears.
•Press any key other than [VFO] to cancel.
3Press [VFO] again to reset the transceiver.
•“WAIT” appears momentarily.
VFO Reset Method 2:
1Press [F], [MENU] and turn the Tuning control to
select Menu No. 99 (RESET).
2Press [MENU] and turn the Tuning control to select
“VFO”.
3Press [MENU].
•“SURE ?” appears.
•Press any key other than [MENU] to cancel.
4Press [MENU] to reset the transceiver. 
						

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TROUBLESHOOTING
The problems described in the following tables are commonly encountered operational malfunctions.  These types of
difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to
incomplete programming.  These problems are usually not caused by circuit failure.  Please review these tables and the
appropriate section(s) of this instruction manual before assuming your transceiver is defective.
m e l b o r Pe s u a C e l b a b o r Pn o i t c A e v i t c e r r o C. f e R e g a P
t o n l l i w r e v i e c s n a r t e h T
g n i t c e n n o c r e t f a p u r e w o p
y l p p u s r e w o p C D V 8 . 3 1 a
e h t g n i s s e r p d n a] [
) r e w o P (gn i h t o N . h c t i w s
. y a l p s i d e h t n o s r a e p p a1s a w e l b a c r e w o p e h T
. s d r a w k c a b d e t c e n n o c1e l b a c r e w o p C D d e i l p p u s e h t t c e n n o C
: y l t c e r r o c
d e R→k c a l B ; ) + (→. ) – (3
2r e w o p e h t f o e r o m r o e n O
. n e p o e r a s e s u f e l b a c2. ) s ( e s u f n w o l b e h t f o e s u a c e h t r o f k o o L
y n a g n i t c e r r o c d n a g n i t c e p s n i r e t f A
e h t h t i w ) s ( e s u f w e n a l l a t s n i , s m e l b o r p
. s g n i t a r e m a s5
, m i d o o t s i y a l p s i d e h T
d e t c e l e s u o y h g u o h t n e v e
. l e v e l s s e n t h g i r b h g i h a. w o l o o t s i e g a t l o v y l p p u s e h Tsi t n e m e r i u q e r e g a t l o v y l p p u s e h T
C D V 8 . 3 1±. ) C D V 8 . 5 1 o t V 7 . 1 1 ( % 5 1
, e g n a r s i h t e d i s t u o s i e g a t l o v t u p n i e h t f I
r o / d n a y l p p u s r e w o p d e t a l u g e r r u o y t s u j d a
. s n o i t c e n n o c e l b a c r e w o p l l a k c e h c4 , 3
e b t o n n a c y c n e u q e r f e h T
e h t g n i n r u t y b d e t c e l e s
g n i n u Ty b r o l o r t n o c
c i M g n i s s e r p] P U [/] N W D [.. d e t c e l e s s a w l l a c e R y r o m e Mss e r P] O F V [.51 , 0 3
e h t d n a s y e k / s n o t t u b t s o M
g n i n u Tt o n o d l o r t n o c
. n o i t c n u f1
2s i s n o i t c n u f k c o L e h t f o e n O
. N O
l e n n a h C n i s i r e v i e c s n a r t e h T
. e d o m y a l p s i D1
2. s n o i t c n u f k c o L e h t f o l l a k c o l n U
s s e r p , F F O r e w o p r e v i e c s n a r t e h t h t i W
] [+ ) r e w o P (] V E R [l e n n a h C t i x e o t
. e d o m y a l p s i D4 6 , 8 5 , 3 5
7 3 
						

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14
m e l b o r Pe s u a C e l b a b o r Pn o i t c A e v i t c e r r o C. f e R e g a P
t o n n a c s l e n n a h C y r o m e M
e h t g n i n r u t y b d e t c e l e s e b
g n i n u Ty b r o l o r t n o c
c i M g n i s s e r p] P U [/] N W D [.y n a n i d e r o t s n e e b s a h a t a d o N
. s l e n n a h C y r o m e M. s l e n n a h C y r o m e M e m o s n i a t a d e r o t S92
n e v e t i m s n a r t t o n n a c u o Y
c i M s s e r p u o y h g u o h t
] T T P [.1t o n s a w g u l p e n o h p o r c i m e h T
e h t o t n i y l e t e l p m o c d e t r e s n i
. r o t c e n n o c l e n a p t n o r f1e h t t r e s n i n e h t , r e w o p e h t F F O h c t i w S
b a t g n i k c o l e h t l i t n u g u l p e n o h p o r c i m
. e c a l p n i s k c i l c6
2t e s f f o t i m s n a r t a d e t c e l e s u o Y
t i m s n a r t e h t s e c a l p t a h t
e h t e d i s t u o y c n e u q e r f
y c n e u q e r f t i m s n a r t e l b a w o l l a
. e g n a r2s s e r P] F [,] U N E M [e h t n r u t d n ag n i n u T
. ) T F S ( 5 . o N u n e M t c e l e s o t l o r t n o c
s s e r P] U N E M [e h t n r u t d n ag n i n u T
s s e r P . ” F F O “ t c e l e s o t l o r t n o c] U N E M [
y e k y n a s s e r p n e h t , g n i t t e s e h t e r o t s o t
n a h t r e h t o] U N E M [. e d o M u n e M t i x e o t3 2
3s i C N T l a n r e t x e e h T
. g n i t t i m s n a r t3c i M s s e r P] T T P [s a h C N T e h t r e t f a
. g n i t t i m s n a r t d e h s i n i f— 
						

							71
SPECIFICATIONS
Specifications are subject to change without notice due to advancements in technology.
l a r e n e G
e g n a r y c n e u q e r f X Ts l e d o m t e k r a m KzH M 8 4 1 ~ 4 4 1
s l e d o m t e k r a m EzH M 6 4 1 ~ 4 4 1
s l e d o m t e k r a m 3 M , 2 MzH M 4 7 1 ~ 4 4 1
e g n a r y c n e u q e r f X Rs l e d o m t e k r a m KzH M 4 7 1 ~ 6 3 1
s l e d o m t e k r a m EzH M 4 7 1 ~ 6 3 1
s l e d o m t e k r a m 3 M , 2 MzH M 4 7 1 ~ 6 3 1
e d o M) M F ( E 3 F
e c n a d e p m i a n n e t n A0 5Ω
e g n a r e r u t a r e p m e t e l b a s U0 2 –°0 6 + ~ C°4 – ( C°0 4 1 + ~ F°) F
y l p p u s r e w o PC D V 8 . 3 1±) V 8 . 5 1 ~ 7 . 1 1 ( % 5 1
d o h t e m g n i d n u o r Gd n u o r g e v i t a g e N
t n e r r u C) . x a m ( t i m s n a r Tss e l r o A 3 1
) t u p t u o W 2 t a ( e v i e c e Rss e l r o A 0 . 1
0 2 – ( y t i l i b a t s y c n e u q e r F°0 6 + ~ C°) Cni h t i W±m p p 5 . 2
) d e d u l c n i t o n s n o i t c e j o r p D x H x W ( s n o i s n e m i D6 / m m 7 3 1 x 3 4 x 0 6 1
6 1 / 51 x 6 1 / 1 15 x 2 3 / 3 1
t h g i e Wb l 6 . 2 / g k 2 . 1 . x o r p p A 
						

							72
r e t t i m s n a r T
t u p t u o r e w o Ph g i HW0 6
w o LW5 2 . x o r p p A
n o i t a l u d o Me c n a t c a e R
s n o i s s i m e s u o i r u p Ss s e l r o B d 0 6 –
n o i t a i v e d y c n e u q e r f m u m i x a M: e d i W±z H k 5
: w o r r a N±z H k 5 . 2
) n o i t a l u d o m % 0 6 t a ( n o i t r o t s i d o i d u As s e l r o % 3
e c n a d e p m i e n o h p o r c i M0 0 6Ω
r e v i e c e R
y r t i u c r i Ce n y d o r e t e h r e p u s n o i s r e v n o c e l b u o D
) d n 2 / t s 1 ( y c n e u q e r f e t a i d e m r e t n Iz H k 0 5 4 / z H M 5 9 . 9 4
) D A N I S B d 2 1 ( y t i v i t i s n e S8 1 . 0 : e d i Wµs s e l r o V
2 2 . 0 : w o r r a Nµs s e l r o V
) B d 6 – ( y t i v i t c e l e Se r o m r o z H k 2 1 : e d i W
e r o m r o z H k 0 1 : w o r r a N
) B d 0 6 – ( y t i v i t c e l e Ss s e l r o z H k 0 3 : e d i W
s s e l r o z H k 4 2 : w o r r a N
y t i v i t i s n e s h c l e u q S1 . 0µs s e l r o V
) n o i t r o t s i d % 5 , s m h o 8 ( t u p t u o o i d u Ar e h g i h r o W 2
e c n a d e p m i t u p t u o o i d u A8Ω