Contents
TH-K4AT TH-K4E
TH-K2AT TH-K2E TH-K2ET
INSTRUCTION MANUAL
NOTICE TO THE USER
FCC WARNING
The models listed below are covered by this manual
PRECAUTIONS
CONTENTS
MENU SETUP
Enabling a Weather Alert
OPERATOR CONVENIENCES
MICROPROCESSOR RESET
•Compact design •Aluminum die-castchassis
Quantity
Accessory
TH-K2AT
Accessory
TH-K2ET
Quantity
TH-K4AT
TH-K4E
Accessory
Quantity
Instruction
What to Do
KEY1, KEY2
KEY 1 s
PREPARATION
INSTALLING THE PB-43N Ni-MHBATTERY PACK
4To remove the battery pack, lift the safety catch, then press the release latch to unlock the battery pack. Lift the battery pack away from the transceiver
2Insert or remove six AA LR6 Alkaline batteries
INSTALLING THE ANTENNA
Strap
3Tighten the screws until secure
OTHER THAN TH-K2ATK2/ M2, TH-K4ATM2
Never leave the battery pack in direct sunlight
CONNECTING TO A CIGARETTE LIGHTER SOCKET
DC-DCConverter
Socket
DC-DCConverter
CONNECTING TO A REGULATED POWER SUPPLY
Fuses 4 A
YOUR FIRST QSO
6 Release PTT to receive
GETTING ACQUAINTED
TH-K2AT/ET/ K4AT
Tuning control
SP/MIC jack
TH-K2E/K4E
Tuning control
SP/MIC jack
LAMP key DC IN jack MONI/SQL key
Appears when the CTCSS function is activated page
Appears when the Tone function is activated page
Appears when the DCS function is activated page
q w e r t y ui o !0 !1
Appears when narrow FM Mode is selected page
Appears when the function key is pressed
appears when low power is selected page
Switching the Power ON/OFF
Adjusting the Volume
Adjusting the Squelch
1Press F, MONI/SQL
Selecting an Output Power
Transmitting
Selecting a Frequency VFO Mode
MHz Mode
Example
Direct Frequency Entry TH-K2AT/ET/ K4AT only
1, 4,
Example
Example
1, 4,
Example
Example 5 Short cut
7, 5,
MENU SETUP
3Press MENU to configure the parameter of the currently selected Menu No
On the
Function
Selections
Display
Default
On the
Function
Selections
Default
On the
Function
Selections
Default
On the
Selections
Display
Default
On the
Selections
Display
TX tone: 88.5 Hz
OPERATING THROUGH REPEATERS
TX tone: 88.5 Hz
Programming an Offset
Selecting an Offset Direction
Selecting an Offset Frequency
Activating the Tone Function
1 Press MENU
Selecting a Tone Frequency
1 Press MENU
Available Tone Frequencies Tone Frequency Hz
TH-K2E/ET/ K4E only
TH-K2E/4E only
TH-K2AT/ET/ K4AT only
TH-K2ATK/ K2 only
TH-K2E/K2ET only
•“R” appears when the function is ON
Press F, MENU 1 s to switch the function ON or OFF
3Press MENU 1 s
MEMORY CHANNELS
Simplex & repeater channels allow
Simplex &
Parameter
Odd-Split
1Press VFO
Storing Odd-SplitRepeater Frequencies
5Press PTT+MR
Using a Numeric Keypad TH-K2AT/ET/ K4AT only
Using the Tuning Control
Recalling a Memory Channel
3Press MR+ POWER
1Press MR to recall your desired memory channel
6Press MENU
Memory \ VFO Transfer
Channel \ Channel Transfer
Channel 0 ~
Channel 0 ~
L0/U0 ~ L2/U2, Pr, AL1
Channel 0 ~
Recalling the Call Channel
Reprogramming the Call Channel
5Press PTT+CALL
WEATHER ALERT TH-K2ATK/ K2 ONLY
Programming the Weather Radio Frequency
Enabling a Weather Alert
1Press PTT+MR+ POWER
Tuning control
KEY 1 s
Scan Type
SCAN
Purpose
Band Scan
Storing a Program Scan Frequency Range
Program Scan
1 Press VFO
Performing Program Scan
All-ChannelScan
1Press MR 1 s
2Press CALL 1 s to start the Call Scan
Programming Priority Channels
Using Priority Scan
1Press MR to enter Memory Recall Mode
Carrier-OperatedMode
•Time-OperatedMode default
•Seek Mode
Using CTCSS
SELECTIVE CALL
CTCSS AND DCS
CTCSS
Selecting a CTCSS Frequency
Available CTCSS Tone Frequencies
Tone Frequency Hz
CTCSS Freq. ID Scan
Using DCS
Selecting a DCS Code
•The current DCS code appears
DCS Code ID Scan
DTMF FUNCTIONS
MANUAL DIALING TH-K2AT/ET/ K4AT ONLY
Freq
1209
DTMF TX Hold TH-K2AT/ET/ K4AT only
Storing a DTMF Number in Memory
5Press MENU
Transmitting a Stored DTMF Number
Adjusting the DTMF Tone Transmission Speed
Adjusting the Pause Duration
DTMF KEY LOCK
APO AUTO POWER OFF
OPERATOR CONVENIENCES
Battery
Output
Operating Time
Hours Approx
3Release PTT to exit
1Press MENU
5Press MENU to store the setting or PTT to cancel
Model
Freq. Step Size
1Press F 1 s
Tuning Control Unlock
Tuning2
F + KEY
Tuning2
Function
To activate the Monitor function
1Press MENU
1Press VFO 2Press MENU
1Press MENU
TX POWER
Battery
Output Power Approx
Output
VOX Gain
From the Menu
VOX Delay Time
VOX on Busy
OPTIONAL ACCESSORIES
Battery Charger
Battery Case 6 AA/ LR6
BC-21
MCP-1A
PB-43N
PG-2W
PG-3J
SMC-33
SMC-34
Speaker Microphone
Speaker Microphone with
SP/MIC JACK
INTERFACING TO PERIPHERALS
SP/MIC
SP/MIC jack
Using the PG-4YPC Interface Cable
3 Press MENU
Using the MCP-1ASoftware
1 Press MENU
TROUBLESHOOTING
Service
Service Note
Cleaning
Initial Settings
Full Reset
VFO Reset
•TH-K2AT/E/ ET: 144.000 MHz
Performing Reset
Full reset
VFO reset
1Press VFO+ POWER 2Release VFO
4Press VFO to reset the transceiver
3Press VFO to proceed
Reset using the Menu
5Press MENU to select the Reset Mode
6Press MENU to reset the transceiver
1Press MENU
Receiving Signals in Cities
Operating Voltage
Transmission
Internal Beats
Problem
Solution
TROUBLESHOOTING
Page
Solution
Problem
You cannot select the exact
Solution
Problem
You cannot transmit by
Solution
Problem
Repeater does not accept
TH-K2AT/E/ ET
TH-K4AT/E
140.800 MHz, 153.600 MHz, 166.400 MHz 168.350 MHz
453.250 MHz
SPECIFICATIONS
General
General
TH-K2AT
Transmitter
Receiver
General
TH-K2E
General
Transmitter
TH-K2E
Receiver
General
General
Transmitter
TH-K4AT
Receiver
TH-K4AT
INDEX
Page
Page
Page
Page