Kenwood Th-D7a(G) Dual Bander Instruction Manual

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When a duplicate message from the same station is
received, an error beep sounds.  In addition, ÒdMÓ
(indicator) and a call sign appear on the display.
¥ When a message to other stations is received, ÒoMÓ
appears as an indicator.
¥ When a new message not addressed to only you is received
with ÒONE  LINEÓ selected in Menu 2ÐG {page 17}, ÒnMÓ
appears as an indicator.
This transceiver beeps each time it receives any type of
APRS packet.  You may access Menu 2ÐF (BEEP) to
change this setting.  The default is ÒALLÓ.
Note:
uWhen you receive a message that you transmitted, the frequency
display is not interrupted.  ÒMY MESSAGEÓ will appear at the bottom
of the display.  This could happen when one or more digipeaters
{page 13} are used.
uThis transceiver allows you to receive a message also when the SSID
does not match.  However, it will not return an acknowledgment.
uWhen a message addressed to you is received, the transceiver
display and keypad are illuminated.  If you do not press any key in
approximately 5 seconds, the light goes off.
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RECEIVING A MESSAGE
Each time a proper message is received, the frequency
display is interrupted to show information as below:
¥ The display shows only the first 24 characters of the message.
¥ The transceiver restores the frequency display after
approximately 10 seconds pass or when you press any key.
¥Ò
Ó appears and stays at the bottom left of the display until
you use the List function {page 20}.
The following indicators appear depending on types of
received messages:
1# designates an ASCII character used for indicating the
sequence of message (or bulletin) packets; ex. 0 to 9.
21 to 6 designates a group identification number {page 23}.Indicator
s n o i t c e l e St e k c a P w e Ne t a c i l p u D
t e k c a Pt e k c a P d i l a v n I
F F Ope e b o Npe e b o Npe e b o N
E N I M
e g a s s e m a g n i v i e c e r n e h w y l n o s p e e B
. u o y o t d e s s e r d d a
W E N L L Ape e Bpe e b o Npe e b o N
L L Ape e Bpe e Bpe e B
#1u o y o t d e s s e r d d a e g a s s e M
6 ~ 1 G
2} 3 2 e g a p { p u o r g r u o y o t d e s s e r d d a e g a s s e M
# B
1n i t e l l u B
!ec i v r e S r e h t a e W l a n o i t a N e h t y b t r o p e R
e g a s s e m r u o y o t t n e m g d e l w o n k c A
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1# designates an ASCII character used for indicating the
sequence of message (or bulletin) packets; ex. 0 to 9.  For
outgoing messages or bulletins, only sequence numbers appear.
21 to 6 designates a group identification number {page 23}.3These indicators appear for outgoing messages {page 22}.
Besides the call sign and message, the display will show
the following types of information:ACCESSING RECEIVED APRS MESSAGES
This transceiver is capable of storing a maximum of 16
messages in memory.  You can access the desired
massage by switching the display.
1Press [MSG].
2Press [UP]/ [DWN] to select ÒLISTÓ.
3Press [OK].
4Press [UP]/ [DWN] to select the desired station.
¥ Press [OK] to see the 25th and subsequent digits of the
message.
¥Ò 
Ó indicates the end of the message.
¥ Pressing [A/B] (1 s) deletes all the messages.
5Press [ESC] twice to restore the frequency display.
Pressing [MSG] in step 4 allows you to enter a message
to be returned to the station.  You can skip steps 1 to 6 in
ÒENTERING A MESSAGEÓ {page 21}.
Note:
uThe dedicated memory is used for storing both received messages
and messages for transmitting.  Receiving a new message when the
memory is full causes the oldest message to be deleted.  A message
not yet transmitted 5 times may be unexpectedly deleted.  If Ò 
 Ó stays
at the bottom left of the display when memory is full, a new message
does not replace the oldest message.  This transceiver returns a reject
command and shows ÒrMÓ and a call sign at the bottom of the display.
uA message already transmitted can be easily sent to the same
station.  Select the message in step 4 and press [MSG].  The call
sign and message are copied to the recalled entry display {page 21}.
qe p y T e g a s s e M
#
1u o y o t d e s s e r d d a e g a s s e M
6 ~ 1 G
2p u o r g r u o y o t d e s s e r d d a e g a s s e M
# B
1n i t e l l u B
!ec i v r e S r e h t a e W l a n o i t a N e h t y b t r o p e R
w? X T r o X R
) n i t e l l u b r o ( e g a s s e m d e v i e c e R
3g n i t t i m s n a r t r o f ) n i t e l l u b r o ( e g a s s e M
es u t a t S
5
~13r o f s e m i t f o r e b m u n g n i n i a m e R
. ) n i t e l l u b r o ( e g a s s e m e h t g n i t t i m s n a r t
3t n e m g d e l w o n k c a n a h c i h w r o f e g a s s e M
d e n r u t e r s a w
.
3s e m i t 5 d e t t i m s n a r t ) n i t e l l u b r o ( e g a s s e M
s a w t n e m g d e l w o n k c a n a , e g a s s e m a r o F (
) . d e n r u t e r t o n
<
–
>
–
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wqe
Time (minutes)
elapsed after
receiving.  Ò--Ó
appears after 99
minutes have
elapsed.
Message 
						

							21
5Press [OK].
¥ The cursor moves to the next digit.
6Repeat steps 4 and 5 to enter up to 9 digits.
¥ Pressing [OK] after selecting the 9th digit causes the
cursor to move to the start of the next field.
¥ To complete programming the call sign after entering
less than 9 digits, press [OK] twice.
¥ Each press of [ESC] causes the cursor to move
backward.
¥ Pressing [A/B] deletes the digit at which the cursor is
blinking.
7Press [UP]/ [DWN], then [OK] to select the first digit
of a message (or bulletin).
¥ You may use the keypad.  For example, each press of
[TNC] switches entry as a, b, c, 2, A, B, then C.  Press
[ENT] to switch among the special ASCII characters.
8Repeat step 7 to enter a message (or bulletin) with up
to 45 digits.
¥ To complete programming after entering less than 45
digits, press [OK] twice.
¥ Completing step 8 causes the transceiver to
automatically transmit the message (or bulletin).  If you
send a message to a single station, an acknowledgment
should be returned; Òack 0 ~ 9 (or A ~ Z)Ó appears.
Note:  You may enter % as the initial character of the message.  Some
APRS systems are capable of announcing characters one by one when
receiving a message which starts with %.  Those systems include TM-
D700s with VS-3 units.
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ENTERING A MESSAGE
To transmit a message, first enter the call sign of the target
station.  To transmit a bulletin, enter ÒBLN#Ó instead; where
# must be 0 to 9 or A to Z.  When the length of your bulletin
exceeds 45 digits, you may transmit more than one packet
to send the entire bulletin.  Use # to indicate the sequence
of the bulletin portions.  For example, enter ÒBLN0Ó  (or
ÒBLNAÓ) to send the first packet, then ÒBLN1Ó (or ÒBLNBÓ)
to send the second packet.
1Press [MSG].
2Press [UP]/ [DWN] to select ÒINPUTÓ.
3Press [OK].
¥ The display for entering a call sign appears; the first digit
blinks.
4Press [UP]/ [DWN] to select a character.
¥ You can enter 0 to 9, A to Z, and Ð.
¥ You may use the keypad.  For example, each press of
[TNC] switches entry as A, B, C, then 2.  Press [ENT] to
enter Ð.
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TRANSMITTING A MESSAGE
When entry of a message (or bulletin) is completed, this
transceiver automatically starts transmitting it at intervals
of 1 minute.  With a message entered, the transceiver
repeats transmitting up to 5 times until an
acknowledgment is returned.  With a bulletin entered,
the transceiver always repeats transmitting 5 times; an
acknowledgment is not returned.
The table given on page 20 also shows indicators that
appear for outgoing messages (or bulletins).  You can also
manually transmit all of those regardless of the 5-minute
timer.
1Press [MSG].
2Press [UP]/ [DWN] to select ÒTRANSMITÓ.
3Press [OK] to start transmitting.
¥ After transmission, the frequency display is restored.
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AUTO ANSWER REPLY
This transceiver is capable of automatically returning a
programmed message when any message is received.
1Access Menu 2ÐJ (AUTO REPLY), then press [OK].
2Press [UP]/ [DWN] to select ÒONÓ, then press [OK].
3Access Menu 2ÐK (REPLY MSG), then press [OK].
¥ The display for entering a message appears; the first
digit blinks.
4Press [UP]/ [DWN] to select a character, then press
[OK].
¥ The cursor moves to the next digit.
¥ You can enter alphanumeric characters plus special
ASCII characters.
¥ You may use the keypad.  For example, each press of
[TNC] switches entry as a, b, c, 2, A, B, then C.  Press
[ENT] to switch among the special ASCII characters.
5Repeat step 4 to enter a message with up to 45 digits.
¥ To complete programming after entering less than 45
digits, press [OK] twice.
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You can also use the keypad to enter alphanumeric
characters in step 2.  For example, each press of [TNC]
switches entry as A, B, C, then 2.  Press [ENT] to enter
, (comma), Ð, or 
.
You may use 
 as a wildcard character.  If you program
ABC
 for example, you will receive all messages
including group codes which start with ABC.
When a message which matches one of the group codes
is received, 
# and G1 ~ 6 appear alternately {page 19}.
1 to 6 after G designates a group identification number.
Let us assume that you have not changed the default
group codes; ALL, QST, CQ, KWD.  If a message with
ÒQSTÓ is received, G2 appears to indicate the 2nd code.
If a message with ÒKWDÓ is received, G4 appears to
indicate the 4th code.
In order to include a message group code in your
outgoing packet, enter a group code in place of a call
sign {page 21}, using up to 9 characters.
PROGRAMMING A GROUP CODE
Use a message group code to exchange messages only
among your group members.  With one or more
message group codes programmed, you will receive
messages that include the same group code(s), besides
messages addressed to you.  You can program any
desired code using up to 9 alphanumeric characters.
You can also program up to 6 codes at the same time.  If
you program 3 message group codes, for example, you
will receive all messages that include one of the 3 codes.
1Access Menu 2ÐL (MSG GROUP), then press [OK].
¥ The display for entering one or more group codes
appears; the first digit blinks.
2Press [UP]/ [DWN] to select a character.
¥ You can enter 0 to 9, A to Z, , (comma), Ð, and .
3Press [OK].
¥ The cursor moves to the next digit.
4Repeat steps 2 and 3 to enter up to 6 codes.
¥ Use a comma to separate each code.
¥ You can enter up to 45 alphanumeric characters in total.
¥ To complete programming after entering less than 45
digits, press [OK] twice.
5Press [MNU] to exit Menu mode.
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MENU REVISIONS
On a TH-D7A(G), the menu configuration under TNC (1Ð4Ð), AUX (1Ð5Ð), and APRS (2Ð) has been revised as below.
For the reference pages in parentheses, see the other instruction manual (original).
1 l e v e L2 l e v e L3 l e v e Ls n o i t c e l e St l u a f e De g a p . f e R
1OI D A R4CN T1dn a b t e k c a P.e g a p e c n e r e f e r e e SAd n a B72
2es n e s D C D/ s d n a b h t o B / d n a b r o
D C D e r o n g Id n a b r o82
5XU A1te s f f O r e t a e p e R c i t a m o t u AFF O / N ONO)3 2 (
2em u s e R n a c S/ d e t a r e p O - e m i T
k e e S / d e t a r e p O - r e i r r a C- e m i T
d e t a r e p O) 4 3 (
3pe e B y e KFF O / N ONO62
4el b a n E g n i n u TFF O / N OFF O)0 5 (
5ti b i h n I X TFF O / N OFF O)1 5 (
6tn i o P t p e c r e t n I d e c n a v d AFF O / N OFF O)1 5 (
7no i t c n u F y e K l l a CXT z H 0 5 7 1 / l l a Cll a C62
8zH 0 5 7 1 , d l o H X TFF O / N OFF O62
9te s e RoN / l l u F / ) O F V ( l a i t r a P—)2 3 (
2SR P A1ng i s l l a c y M.e g a p e c n e r e f e r e e S—7
2re v i e c e r S P G69 A E M N / A E M N / d e s u t o Nde s u t o N3
3tn i o p y a W.e g a p e c n e r e f e r e e SFF O5
4no i t i s o p y M.e g a p e c n e r e f e r e e S—9
5yt i u g i b m A n o i t i s o PFF O / s t i g i d 4 / 3 / 2 / 1FF O71 
						

							25
1 l e v e L2 l e v e Ls n o i t c e l e St l u a f e De g a p . f e R
2SR P A6tn e m m o c n o i t i s o P.e g a p e c n e r e f e r e e Syt u D f f O01
7ec n a t s i d n o i t c i r t s e r n o i t p e c e Rf o s p e t s n i 0 0 5 2 ~ 0 1
F F O / 0 1F F O61
8no c i n o i t a t S.e g a p e c n e r e f e r e e SÑ8
9tx e t s u t a t S.e g a p e c n e r e f e r e e SÑ11
Aet a r t i m s n a r t t x e t s u t a t S.e g a p e c n e r e f e r e e SFF O61
Bht a p t e k c a P.e g a p e c n e r e f e r e e S
E D I W , Y A L E R3 1
Cdo h t e m t i m s n a r t t e k c a Pot u A / T T P / l a u n a Mla u n a M51
Dla v r e t n i t i m s n a r t t e k c a P/ 0 2 / 0 1 / 5 / 3 / 2 / 1 / 5 . 0 / 2 . 0
s e t u n i m 0 3s e t u n i m 561
Eed o c p u o r G.e g a p e c n e r e f e r e e S20 0 K P A21
Fpe e BFF O / l l A / w e n l l A / e n i Mll A91 , 4
Gae r a y a l p s i Den i L e n O / y a l p s i d e r i t n E
y a l p s i d e r i t n E7 1
Hec n a t s i d r o f t i n Ure t e m o l i K / e l i Mel i M7
Ier u t a r e p m e t r o f t i n U°/ F°C°F7
Jyl p e R r e w s n A o t u AFF O / N OFF O22
Keg a s s e m y l p e R.e g a p e c n e r e f e r e e SÑ22
Lpu o r g e g a s s e M.e g a p e c n e r e f e r e e S
, T S Q , L L A
D W K , Q C3 2
Mdn a b a t a D.e g a p e c n e r e f e r e e SA3
Net a r r e f s n a r t t e k c a Psp b 0 0 6 9 / 0 0 2 1sp b 0 0 2 13
Oen o Z e m i T.e g a p e c n e r e f e r e e SÑ3
Pya l e d t i m s n a r t t e k c a P/ 0 0 5 / 0 0 4 / 0 0 3 / 0 0 2 / 0 0 1
. c e s m 0 0 0 1 / 0 5 7. c e s m 0 0 561 
						

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SUMMARY OF ENHANCEMENT
Besides APRS functions, the TH-D7A(G) has several
functions improved or newly added, as below.  You may
refer to the given pages to identify differences from a
TH-D7A.
BAND A & B
Without switching ON the TNC, you will not see ÒÓ
which indicates the current data band.  This modification
has been made because the TH-D7A(G) allows you to
select a different band (A or B) as the data band
between Packet and APRS operations.  Refer to page
12 on the other instruction manual (original).
KEYPAD DIRECT ENTRY
When programming a memory channel name, Power-
ON message, status message, or APRS message, each
press of [TNC], for example, switches entry as a, b, c, 2,
A, B, then C.  Refer to page 15 on the other instruction
manual (original).
TRANSMITTING A 1750 Hz TONE
The TH-D7A(G) allows you to program [CALL] as a key
for transmitting a 1750 Hz (burst) tone.  Access Menu 1Ð
5Ð7 (CALL KEY) and select Ò1750 HzÓ.  To transmit a
1750 Hz tone, press [CALL] without pressing the PTT
switch.  Release [CALL] to quit transmitting.
In order to cause the transceiver to remain in the
transmit mode for 2 seconds after transmitting a 1750 Hz
tone, access Menu 1Ð5Ð8 (TX HOLD,1750), then select
ÒONÓ.
KEY BEEP ON/OFF
If you are distracted by beeps generated when pressing
a key on the keypad, switch OFF the Key Beep.   The
transceiver will beep only when it receives appropriate
APRS or DX cluster data.  Access Menu 1Ð5Ð3 (KEY
BEEP) and select ÒOFFÓ.  The default is ÒONÓ.  Refer to
page 47 on the other instruction manual (original).
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ADJUSTING VOLUME BALANCE
The TH-D7A(G) allows you to adjust volume balance
even after blanking one band.  Refer to page 48 on the
other instruction manual (original).
SELECTING DATA BAND
When accessing a PACSAT, access Menu 1Ð4Ð1
(PACKET BAND) and select ÒA:TX B:RXÓ (or ÒA:RX
B:TXÓ).  Ò
Ó appears for the data transmit band and ÒÓ
appears for the data receive band.
PACSATs refer to satellites designed and launched for
digital communications using the AX.25 protocol.  The
PACSATs usually receive (uplink) on VHF and transmit
(downlink) on UHF.  For further information, consult
Internet Web pages relating to the PACSATs.  You may
use one of the Internet search engines to find those Web
pages.
Note:  If you have blanked the data band by pressing [DUAL], pressing
[TNC] does not allow you to select Packet mode.
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DX PACKETCLUSTERS MONITOR
If the common transfer rate in your local PacketCluster
network is 9600 bps, access Menu 2ÐN (PACKET
SPEED) and select Ò9600 bpsÓ.  Refer to page 56 on the
other instruction manual (original).
When new DX cluster data is received with ÒONE LINEÓ
selected in Menu 2ÐG {page 17}, ÒnDÓ appears as an
indicator.
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DCD SENSE
The TH-D7A(G) provides three methods for inhibiting the
built-in TNC from transmitting.  Access Menu 1Ð4Ð2
(DCD SENSE) and select one of the methods.  The
default is Ò
 OR  BANDÓ.  Refer to page 55 on the
other instruction manual (original).  The tables below
conclude when the TNC is allowed to transmit,
depending on the selection.
2 – 4 – 1 u n e Md n a B a t a D r o f d e t c e l e S B r o A
D N A B R Oe r a s l a n g i s n e h w t i m s n a r t t o n s e o D
t c e l e S . d n a b a t a d e h t n o t n e s e r p
g n i m r o f r e p y l n i a m n e h w d o h t e m s i h t
. s n o i t a c i n u m m o c a t a d
S D N A B H T O Be r a s l a n g i s n e h w t i m s n a r t t o n s e o D
s i h t t c e l e S . B r o A d n a b n o t n e s e r p
e c i o v g n i m r o f r e p n e h w d o h t e m
, d n a b n i a m e h t n o s n o i t a c i n u m m o c
b u s e h t n o s n o i t a c i n u m m o c a t a d d n a
. d n a b
D C D E R O N G I
e r a s l a n g i s n e h w n e v e s t i m s n a r T
t c e l e S . d n a b a t a d e h t n o t n e s e r p
C N T e h t n e h w y l n o d o h t e m s i h t
f o e s u a c e b t i m s n a r t o t s l i a f n e t f o
. n o i t p e c e r a t a d t n a t s n o c
2 – 4 – 1 u n e Md n a B a t a D r o f d e t c e l e S X T : B X R : A r o X R : B X T : A
D N A B R O
e r a s l a n g i s n e h w t i m s n a r t t o n s e o D
t c e l e S . d n a b X T a t a d e h t n o t n e s e r p
a t a d g n i m r o f r e p n e h w d o h t e m s i h t
r o T A S C A P a a i v s n o i t a c i n u m m o c
a t a d d n a b - s s o r c y r a n i d r o
. s n o i t a c i n u m m o c
S D N A B H T O Be r a s l a n g i s n e h w t i m s n a r t t o n s e o D
. d n a b X T r o X R a t a d e h t n o t n e s e r p
g n i m r o f r e p n e h w d o h t e m s i h t t c e l e S
a t a d d n a b - s s o r c y r a n i d r o
. s n o i t a c i n u m m o c
D C D E R O N G I
e r a s l a n g i s n e h w n e v e s t i m s n a r T
. d n a b X T r o X R a t a d e h t n o t n e s e r p
g n i m r o f r e p n e h w d o h t e m s i h t t c e l e S
T A S C A P a a i v s n o i t a c i n u m m o c a t a d
. y r a s s e c e n n e h w y l n o d n a
Note:  When in APRS mode, the TNC functions exactly as described in
the tables.  The TNC, however, does not function as described in the
shaded sections when in Packet mode or KISS mode; it functions as
below.  Avoid using the shaded configurations when in one of these
modes.
Packet mode:
The TNC fails to receive an acknowledgment after transmitting.  It then
makes retries and unexpectedly disconnects the linkage.
KISS mode:
The TNC transmits when no signals are present on the data band or data
RX band.