Kenwood NX-420 Bedienungsanleitung

INSTRUCTION MANUAL

MODE D’EMPLOI

MANUAL DE INSTRUCCIONES

NX-220

NX-320

NX-420

B62-2470-10 (K)

VHF DIGITAL TRANSCEIVER

NX-220

UHF DIGITAL TRANSCEIVER

NX-320

800MHz DIGITAL TRANSCEIVER

NX-420

INSTRUCTION MANUAL

The AMBE+2TM voice coding Technology embodied in this

product is protected by intellectual property rights including

patent rights, copyrights and trade secrets of Digital Voice

Systems, Inc. This voice coding Technology is licensed solely

for use within this Communications Equipment. The user

of this Technology is explicitly prohibited from attempting to

extract, remove, decompile, reverse engineer, or disassemble

the Object Code, or in any other way convert the Object Code

into a human-readable form. U.S. Patent Nos. #6,199,037,

#6,912,495, #8,200,497, #7,970,606, and #8,359,197.

THANK YOU

We are grateful you have chosen KENWOOD for your land

mobile radio applications.

This instruction manual covers only the basic operations of your

NEXEDGE portable radio. Ask your dealer for information on any

customized features they may have added to your radio.

NOTICES TO THE USER

◆Government law prohibits the operation of unlicensed radio

transmitters within the territories under government control.

◆Illegal operation is punishable by ﬁne and/or imprisonment.

◆Refer service to qualiﬁed technicians only.

Safety: It is important that the operator is aware of, and

understands, hazards common to the operation of any

transceiver.

ATTENTION:

The RBRC Recycle seal found on KENWOOD

lithium-ion (Li-ion) battery packs indicates

KENWOOD’s voluntary participation in an industry

program to collect and recycle Li-ion batteries after

their operating life has expired. The RBRC program

is an alternative to disposing Li-ion batteries with

your regular refuse or in municipal waste streams,

which is illegal in some areas.

For information on Li-ion battery recycling in your area, call (toll free)

1-800-8-BATTERY (1-800-822-8837).

KENWOOD’s involvement in this program is part of our commitment to

preserve our environment and conserve our natural resources.

ATTENTION:

The RBRC Recycle seal found on KENWOOD

nickel

metal hydride (Ni-MH) battery packs indicates

KENWOOD’s

voluntary participation in an industry

program to collect and recycle Ni-MH batteries after

their operating life has expired. The RBRC program is

an alternative to disposing Ni-MH batteries with your

regular refuse or in municipal waste streams, which

is illegal in some areas.

For information on

Ni-MH

battery recycling in your area, call (toll free)

1-800-8-BATTERY (1-800-822-8837).

KENWOOD’s involvement in this program is part of our commitment to

preserve our environment and conserve our natural resources.

TERMINAL DESCRIPTIONS

Speaker/ Microphone Jacks

You can use a resin-based cover for the Speaker/ Microphone

jacks.

No. Name Description Impedance I/O

1 PTT/RXD PTT input / Serial data input 10 kI

2 MICI MIC input 1.8 kI

3 MICO Output from internal MIC −O

4 OPTDET Option Detect 74 kI

5 50V 5V output −O

6 AE Audio Earth GND −

7 TXD Serial data output 6.8 kO

8 SPI To internal SP 8 (Load) I

9 SPO AF power output −O

Antenna Terminal

50 impedance

iii

One or more of the following statements may be applicable:

FCC WARNING

This equipment generates or uses radio frequency energy.

Changes or modiﬁcations to this equipment may cause harmful

interference unless the modiﬁcations are expressly approved in the

instruction manual. The user could lose the authority to operate this

equipment if an unauthorized change or modiﬁcation is made.

INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY

THE FCC

This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation.

This equipment generates, uses and can generate radio

frequency energy and, if not installed and used in accordance

with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that the

interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception,

which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one or more of

the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment to an outlet on a circuit different from

that to which the receiver is connected.

• Consult the dealer for technical assistance.

PRECAUTIONS

• Do not charge the transceiver and battery pack when they are wet.

• Ensure that there are no metallic items located between the

transceiver and the battery pack.

• Do not use options not speciﬁed by KENWOOD.

• If the die-cast chassis or other transceiver part is damaged, do not

touch the damaged parts.

• If a headset or headphone is connected to the transceiver, reduce

the transceiver volume. Pay attention to the volume level when

turning the squelch off.

• Do not place the microphone cable around your neck while near

machinery that may catch the cable.

• Do not place the transceiver on unstable surfaces.

• Ensure that the end of the antenna does not touch your eyes.

• When the transceiver is used for transmission for many hours, the

radiator and chassis will become hot. Do not touch these locations

when replacing the battery pack.

• Always switch the transceiver power off before installing optional

accessories.

• The charger is the device that disconnects the unit from the AC

mains line. The AC plug should be readily accessible.

Turn the transceiver power off in the following locations:

• In explosive atmospheres (inﬂammable gas, dust particles, metallic

powders, grain powders, etc.).

• While taking on fuel or while parked at gasoline service stations.

• Near explosives or blasting sites.

• In aircrafts. (Any use of the transceiver must follow the instructions

and regulations provided by the airline crew.)

• Where restrictions or warnings are posted regarding the use of

radio devices, including but not limited to medical facilities.

• Near persons using pacemakers.

• Do not disassemble or modify the transceiver for any reason.

• Do not place the transceiver on or near airbag equipment while the

vehicle is running. When the airbag inﬂates, the transceiver may

be ejected and strike the driver or passengers.

• Do not transmit while touching the antenna terminal or if any

metallic parts are exposed from the antenna covering. Transmitting

at such a time may result in a high-frequency burn.

• If an abnormal odor or smoke is detected coming from the

transceiver, switch the transceiver power off immediately, remove

the battery pack from the transceiver, and contact your KENWOOD

dealer.

• Use of the transceiver while you are driving may be against trafﬁc

laws. Please check and observe the vehicle regulations in your

area.

• Do not expose the transceiver to extremely hot or cold conditions.

• Do not carry the battery pack with metal objects, as they may short

the battery terminals.

• Danger of explosion if the battery is incorrectly replaced; replace

only with the same type.

• When operating the transceiver in areas where the air is dry, it is

easy to build up an electric charge (static electricity). When using

an earphone accessory in such conditions, it is possible for the

transceiver to send an electric shock through the earphone and to

your ear. We recommend you use only a speaker/microphone in

these conditions, to avoid electric shocks.

• When attaching a commercial strap to the transceiver, ensure

that the strap is durable. In addition, do not swing the transceiver

around by the strap; you may inadvertently strike and injure another

person with the transceiver.

Information concerning the battery pack:

The battery pack includes ﬂammable objects such as organic solvent.

Mishandling may cause the battery to rupture producing ﬂames or

extreme heat, deteriorate, or cause other forms of damage to the

battery. Please observe the following prohibitive matters.

• Do not disassemble or reconstruct battery!

The battery pack has a safety function and protection circuit to

avoid danger. If they suffer serious damage, the battery may

generate heat or smoke, rupture, or burst into ﬂame.

• Do not short-circuit the battery!

Do not join the + and – terminals using any form of metal (such

as a paper clip or wire). Do not carry or store the battery pack

in containers holding metal objects (such as wires, chain-

necklace or hairpins). If the battery pack is short-circuited,

excessive current will ﬂow and the battery may generate heat

or smoke, rupture, or burst into ﬂame. It will also cause metal

objects to heat up.

• Do not incinerate or apply heat to the battery!

If the insulator is melted, the gas release vent or safety function

is damaged, or the electrolyte is ignited, the battery may

generate heat or smoke, rupture, or burst into ﬂame.

• Do not leave the battery near ﬁres, stoves, or other heat

generators (areas reaching over 80°C/ 176°F)!

If the polymer separator is melted due to high temperature,

an internal short-circuit may occur in the individual cells and

the battery may generate heat or smoke, rupture, or burst into

ﬂame.

• Avoid immersing the battery in water or getting it wet by

other means!

If the battery becomes wet, wipe it off with a dry towel before

use. If the battery’s protection circuit is damaged, the battery

may charge at extreme current (or voltage) and an abnormal

chemical reaction may occur. The battery may generate heat or

smoke, rupture, or burst into ﬂame.

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