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Kenwood TH-K40A User Manual

Kenwood TH-K40A
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4
Approximate Charging Times
3 hours
Charger Status Table
Indicator color Meaning
Red
A battery pack is in the charging slot and charging has
started.
Blinking Red
The battery pack is defective or the battery pack
contacts are not properly mated with those of the
charger.
Green
Charging is completed; remove the battery pack or the
transceiver from the charging slot.
Alternates flashing green
and orange
The temperature of the battery pack has not satisfied
the charging start temperature. Remove the battery
pack from the charger and wait until it reaches a normal
temperature before charging it again.
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 (Battery Saver: ON)
We recommend you carry extra battery packs with you, in case the battery pack
becomes depleted.
Battery Type Output Power Operating Time/ Hours (Approx.)
KNB-63L/ KNB-65L
(7.4 V)
High 6 (KNB-63L) 8 (KNB-65L)
Medium 8.5 (KNB-63L) 11.5 (KNB-65L)
Low 10.5 (KNB-63L) 14 (KNB-65L)
BT-16 (9 V)
<AAA (LR03) alkaline
batteries x 6>
High 6
Medium 8
Low 10
Note:
The high power transmission output while using the battery case (BT-16) is 3.5 W and
lower. Additionally, as is characteristic of alkaline batteries, transmission output will
decrease as time progresses. We recommend using low power when using the battery
case.
Internal resistance levels differ, depending on the battery, so when using Alkaline
batteries there are times when the actual operating time may be shorter than normal.

Table of Contents

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Kenwood TH-K40A Specifications

General IconGeneral
Frequency Range144-146 MHz
ModulationFM
Output Power5W
Operating Voltage7.4 V DC
Channel Spacing12.5 / 25 kHz
Antenna Impedance50 ohms
BatteryLi-Ion
Power SupplyBattery

Summary

NOTICES TO THE USER

PRECAUTIONS

WARNING

Lists locations where transceiver power must be turned off due to hazards.

CAUTION

Lists safety warnings related to handling, modification, and operation.

CHARGING THE BATTERY PACK

BASIC OPERATION

SELECTING A FREQUENCY

TRANSMITTING/RECEIVING

MENU SETUP

MEMORY CHANNELS

RECALLING A MEMORY CHANNEL

CALL CHANNEL

SCAN

Band Scan

Scans all frequencies on the current band for activity.

Program Scan

Scans specified frequency ranges stored in memory channels.

OPERATING THROUGH REPEATERS

SELECTING AN OFFSET DIRECTION (SHIFT)

How to set the transmit frequency relative to the receive frequency.

TONE FUNCTION

ACTIVATING THE TONE FUNCTION

Steps to turn on and select the Tone function for repeater access.

SIGNALING

CTCSS

Explains CTCSS for ignoring unwanted calls and how to set frequencies.

DCS

DTMF FUNCTIONS

PROGRAMMABLE VFO

FREQUENCY STEP SIZE

TONE ALERT

BATTERY SAVER

VOX (VOICE-OPERATED TRANSMIT)

TIME-OUT TIMER

PROGRAMMABLE FUNCTION KEYS

TROUBLESHOOTING

TRANSCEIVER RESET

SPECIFICATIONS

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