Kenwood Th-K2at/e, K2e/t, K4at, K4e Transceiver Instruction Manual

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AUTOMATIC REPEATER OFFSET (TH-K2AT/ E/ ET ONLY)
This function automatically selects an offset direction,
according to the frequency on the 2 m band.  The
transceiver is programmed for offset direction as shown
below.  To obtain an up-to-date band plan for repeater
offset direction, contact your national Amateur Radio
association.
TH-K2AT K/ K2 only
+–– –
+
S
S S S 144.0       145.5       146.4        147.0       147.6
145.1       146.0       146.6        147.4       148.0 MHz
S: Simplex
This complies with the standard ARRL band plan.
TH-K2E/ K2ET only
S
S
S: Simplex– 144.0
146.0 MHz 145.8 145.6
Note:  Automatic Repeater Offset does not function when the
Reverse function is ON {page 38}.  However, pressing [F], [MENU]
after Automatic Repeater Offset has selected an offset (split) status,
exchanges the receive and transmit frequencies.
1Press [MENU].
2Turn the Tuning control to select Menu No. 9 (ARO).
3Press [MENU].
4Turn the Tuning control to switch the function ÒONÓ
(default) or ÒOFFÓ.
5Press [MENU] to store the setting or [PTT] to cancel. 
						

							38
REVERSE FUNCTION
The Reverse function exchanges a separate reception
and transmission frequency.  So, while using a repeater,
you can manually check the strength of a signal that you
receive directly from the other station.  If the stationÕs
signal is strong, both stations should move to a simplex
frequency and free up the repeater.
To swap the transmission and reception frequencies:
Press [F], [MENU] to switch the Reverse function ON
(or OFF).
¥  ÒRÓ appears when the function is ON.
Note:  You can turn the Reverse function ON when you are operating
in Simplex Mode.  However, it does not change the Transmission/
Reception frequency.
AUTOMATIC SIMPLEX CHECK (ASC)
While using a repeater, the ASC function periodically
checks the strength of the signal you are receiving from
the other station.  If the stationÕs signal is strong enough
to allow direct contact without a repeater, the Ò
Ó
indicator starts blinking. 
						

							39
Press [F], [MENU] (1 s) to switch the function ON (or
OFF).
¥ÒÓ appears when the function is ON.
¥ While direct contact is possible, Ò
Ó blinks.
Note:
uPressing [PTT] switch causes the ÒÓ icon to quit blinking.uASC can be activated while operating in Simplex mode.
However, it does not change the Transmission/ Reception
frequencies.
uASC does not function during scan.uASC does not function while Weather Alert function is activated
(TH-K2AT K/ K2 only) {page 55}.
uActivating ASC while using Reverse, turns Reverse function OFF.uIf you recall a memory channel or the Call Channel that contains
a Reverse ON status, ASC is switched OFF.
uASC causes received audio to be momentarily intermitted every3 seconds.
TONE FREQ. ID SCAN
This function scans through all tone frequencies to
identify the incoming tone frequency on a received
signal.  You can use this function to determine which
tone frequency is required by accessing your local
repeater.
1Press [MENU].
2Turn the Tuning control to select Menu No. 3 (T). 
						

							40
3Press [MENU] (1 s).
¥ When the transceiver receives a signal, scan starts.
The decimal point blinks during scan.
¥ While the transceiver is receiving a signal during Tone
Freq. ID Scan, the signal is emitted from the speaker.
¥ To reverse the scan direction, turn the Tuning control.
¥ To quit the function, press [PTT].
¥ When the tone frequency is identified, a beep sounds
and the identified frequency blinks.
4Press [MENU] to program the identified frequency in
place of the current tone frequency.
¥ Press any key other than [MENU], [LAMP], and
[MONI/SQL] if you do not want to program the
identified frequency.
¥ Turn the Tuning control while the identified frequency
is blinking to resume scanning.
Note:  Some repeaters do not re-transmit the access tone in the
downlink signal.  In this case, check the other stationÕs uplink signal
to detect the repeater access tone. 
						

							41
MEMORY CHANNELS
In memory channels, you can store frequencies and
related data that you frequently use so that you do not
need to reprogram that data every time.  You can quickly
recall a programmed channel through simple operation.
A total of 100 memory channels (50 when using the
Memory Name function) are available for storing
frequencies, modes and other operating conditions.
NUMBER OF MEMORY CHANNELS
The transceiver must be configured to either 100
memory channels without using the Memory Name
function or 50 memory channels with the Memory Name
function (default).
To change the memory channel capacity:
1Press [MENU].
2Turn the Tuning control to select Menu No. 13
(M.CH).
3Press [MENU].
4Turn the Tuning control to select either Ò50Ó (default)
or Ò100Ó.
5Press [MENU].
¥ ÒSURE ?Ó appears.
6Press [MENU] to accept or press any key other than
[MENU], [LAMP], and [MONI/SQL] to cancel. 
						

							42
Note:
uIf you change the memory channel capacity from 100 channels to
50 channels after having stored data in channels 50 to 99, all
memory channel data in channels 50 to 99 will be erased.
uIf you change the memory channel capacity from 50 channels to
100 channels after storing Memory names in those channels, all
Memory name data will be erased.
SIMPLEX & REPEATER OR ODD-SPLIT MEMORY CHANNEL?
You can use each memory channel as a simplex &
repeater channel or an odd-split channel.  Store only
one frequency to use as a simplex & repeater channel
or two separate frequencies to use as an odd-split
channel.  Select either application for each channel
depending on the operations you have in mind.
Simplex & repeater channels allow:
¥ Simplex frequency operation
¥ Repeater operation with a standard offset (if an offset
direction is stored)
Odd-split channels allow:
¥ Repeater operation with a non-standard offset
Note:  Not only you can store data in memory channels, but you canalso overwrite existing data with new data. 
						

							43
The data listed below can be stored in each memory
channel:
r e t e m a r a P& x e l p m i S
r e t a e p e Rt i l p S - d d O
y c n e u q e r f n o i t p e c e R
s e Ys e Y
y c n e u q e r f n o i s s i m s n a r Tse Y
y c n e u q e r f e n o Tse Yse Y
N O e n o Tse Yse Y
y c n e u q e r f S S C T Cse Yse Y
N O S S C T Cse Yse Y
e d o c S C Dse Yse Y
N O S C Dse Yse Y
n o i t c e r i d t e s f f Ose YA/ N
y c n e u q e r f t e s f f Ose YA/ N
N O e s r e v e Rse YA/ N
e z i s p e t s y c n e u q e r Fse Yse Y
M F d n a b w o r r a Nse Yse Y
t f i h S t a e Bse Yse Y
t u o k c o L l e n n a h C y r o m e Mse Yse Y
e m a N l e n n a h C y r o m e Mse Yse Y
Yes:  Can be stored in memory.
N/A:  Cannot be stored in memory. 
						

							44
Storing Simplex Frequencies or Standard Repeater Frequencies
1Press [VFO].
2Turn the Tuning control to select your desired
frequency.
¥ You can also directly enter a desired frequency using
the keypad (TH-K2AT/ ET/ K4AT only) {page 21}.
3If storing a standard repeater frequency, select the
following data:
¥ Offset direction {page 32}
¥ Tone function, if necessary {page 34}
¥ CTCSS/ DCS function, if necessary {pages 69, 73}
If storing a simplex frequency, you may select other
related data (CTCSS or DCS settings, etc.).
4Press [F], [MR].
¥ A memory channel number appears and blinks.
¥Ò
Ó appears if the channel contains data.
¥ Memory channel number L0/U0 ~ L2/U2 {page 61},
Pr (Priority Channel) {page 65} and AL (Weather Alert)
{page 55} (TH-K2AT K/ K2 only) are reserved for other
functions.
5Turn the Tuning control to select the memory
channel in which you want to store the data.
6Press [MR] to store the data to the channel. 
						

							45
Storing Odd-Split Repeater Frequencies
Some repeaters use a pair of reception and
transmission frequencies with a non-standard offset.
If you store two separate frequencies in a memory
channel, you can operate on those repeaters without
programming the offset frequency and direction.
1Store the desired reception frequency and related
data by following the procedure given for simplex or
standard repeater frequencies {page 44}.
2Turn the Tuning control to select the desired
transmission frequency.
3Press [F], [MR].
4Turn the Tuning control to select the memory
channel you programmed in step 1.
5Press [PTT]+[MR].
¥ The transmission frequency is stored in the memory
channel.
Note:  When you recall an odd-split memory channel, Ò+Ó and ÒÐÓ
appear on the display.  To confirm the transmission frequency, press
[F],  [MENU] (Reverse function) {page 38}. 
						

							46
Recalling a Memory Channel
nUsing the Tuning Control
1Press [MR] to enter Memory Recall Mode.
¥ The memory channel last used is recalled.
2Turn the Tuning control to select your desired
memory channel.
¥ You cannot recall an empty memory channel.
¥ To restore VFO Mode, press [VFO].
nUsing a Numeric Keypad (TH-K2AT/ ET/ K4AT only)
You can also recall a memory channel by entering a
desired memory channel number with the keypad.
1Press [MR] to enter Memory Recall Mode.
2Press [#], then enter the channel number using
2 digits.
¥ For example, to recall channel 49, press [#], [4],
[9].
¥ You can also enter a memory channel number that
is less than 10 by pressing [#] after entering the
channel number.  For example, to recall memory
channel 9, press [#], [9], [#].  You can also press
[#], [0], [9].