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

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¥ When DTMF TX Hold is activated {page 77}, you do
not need to continuously press [PTT] to remain in
Transmission Mode.  However, Transmission Mode is
retained for only 2 seconds after pressing a key, so if
the next key is not pressed within this time limit, the
transceiver stops transmitting.
DTMF TX Hold (TH-K2AT/ ET/ K4AT only)
This function causes the transceiver to remain in
Transmission Mode for 2 seconds after you release
each key.  So, you can release [PTT] while sending the
DTMF tones.
1Press...

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5Press [MENU].
¥ The DTMF code entry display appears and the last
digit blinks.
6Turn the Tuning control to select a DTMF code.
¥ Press [MONI/SQL] to delete the character at the
current cursor position.
¥ On the transceiver display, DTMF code Ò
Ó is
represented by ÒEÓ and Ò#Ó is represented by ÒFÓ
(TH-K2AT/ ET/ K4AT only).
¥ You can also enter a DTMF code using the keypad.
Simply press your desired DTMF codes on the keypad
(TH-K2AT/ ET/ K4AT only).
7Press [MENU] to select the DTMF code and move
the...

79
Transmitting a Stored DTMF Number
1While pressing and holding [PTT], press [MENU].
2Release [MENU] (continue pressing [PTT]), then
turn the Tuning control to select the desired DTMF
memory channel number.
3While still holding [PTT], press [MENU] again to
transmit the selected DTMF tones.
¥ The number stored in the channel scrolls across the
display, accompanied by DTMF tones from the
speaker.
¥ After transmission, the frequency display is restored.
TH-K2AT/ ET/ K4AT only:  If you do not need to...

80
Adjusting the DTMF Tone Transmission Speed
This transceiver allows you to configure the DTMF
number transmission speed between Fast (default) and
Slow.  If a repeater cannot respond to the fast speed,
adjust this parameter.
1Press [MENU] to enter Menu Mode.
2Turn the Tuning control to select Menu No. 33
(SPD).
3Press [MENU].
4Turn the Tuning control to select ÒFAÓ (Fast) or ÒSLÓ
(Slow).
¥ The tone duration of FAST is 50 ms and SLOW is
100 ms.  ÒFAÓ (Fast) is the default setting.
5Press [MENU] to store...

81
DTMF KEY LOCK
Assuming you have a transceiver with the optional
speaker microphone installed and you are carrying it in
the holder or bag, you sometimes may want to disable
the keypad to avoid accidental DTMF transmission.  In
this case, turn the DTMF Key Lock function ON.
1Press [MENU] to enter Menu Mode.
2Turn the Tuning control to select Menu No. 36
(DT.L).
3Press [MENU].
4Turn the Tuning control to select ÒONÓ.
5Press [MENU] to store the setting or [PTT] to cancel.
When this function is activated,...

82
OPERATOR CONVENIENCES
APO (AUTO POWER OFF)
The transceiver switches OFF automatically if no keys
or controls are pressed or adjusted for 30 minutes
(default).  One minute before the transceiver switches
OFF, warning beeps sound for a few seconds and
ÒAPOÓ blinks.
You can select the APO time from OFF (disable), 30
(default), 60, 90, 120, or 180 minutes.
1Press [MENU].
2Turn the Tuning control to select Menu No. 17
(APO).
3Press [MENU].
4Turn the Tuning control to select the APO time from
OFF, 30, 60,...

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BATTERY LIFE
Before you operate the transceiver outside using a
battery pack, it is important to know how long the
battery pack will last.  The operating times listed in the
table below are measured under the following cyclic
conditions:
TX: 6 seconds, RX: 6 seconds, Stand-by: 48 seconds
We recommend you carry extra battery packs with you,
in case the battery pack becomes discharged.
y r e t t a B
e p y Tt u p t u O
r e w o P/ e m i T g n i t a r e p O
) . x o r p p A ( s r u o H
T E / E / T A 2 K - H...

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:  High battery power
:  Medium battery power
:  Low battery power
No display :  Recharge or replace the batteries.
3Release [PTT] to exit.
Note:  You may not be able to transmit at high power (ÒÓ position) ifthe battery remaining indicator shows low battery power.
BATTERY SAVER
The Battery Saver extends the operating time of the
transceiver.  It automatically activates when the
squelch is closed and no key is pressed for more than
10 seconds.  To reduce battery consumption, this
function shuts the...

85
uWhile the transceiver is communicating in PC Mode {page107},
the Battery Saver does not function.
uBattery Saver does not function while scanning.
BEAT SHIFT
Since the transceiver uses a microprocessor to control
various functions of the transceiver, the CPU clock
oscillatorÕs harmonics or image may appear on some
spots of the reception frequencies {page 121}.  In this
case, turn the Beat Shift function ON.
1Press [MENU].
2Turn the Tuning control to select Menu No. 28 (BS).
3Press [MENU].
4Turn the...

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5Press [MENU] to store the setting or [PTT] to cancel.
The transceiver generates the following warning beeps
even if the beep function is turned OFF.
¥ APO warning beeps {page 82}
¥ DC voltage error beep {page 115}
¥ Weather Alert beep {page 55}
¥ Time-Out Timer warning beep {page 94}
Note:  The beep output level is linked to the VOL control position.
BUSY CHANNEL LOCKOUT
This function is used in order to prevent transmitting on
a channel or frequency that somebody else is currently
using.  When...