YEONHWA M TECH DX 8400 User Manual

User Manual

VHF Transceiver

DX-8100

DX-8200

UHF Transceiver

DX-8400

Version #1 (2017-08-01)

YeonHwa M Tech Co., Ltd.

36, Jeonparo 44beongil, Manangu, Anyangsi, Gyeonggido, Korea Tel: [phone]

1. DX-Series Features

DX-Series was developed with the user in mind to provide a compact and rugged design with

features to fit multiple types of jobs such as military, firefighting, construction site, industrial

site and large retailers.

It works in dual (analog / digital) mode, compatible with existing analog radio and efficient as

well in digital mode with clear voice quality, volume, call distance and usage time.

As follows:

 32 Channels in 16 Zones 32 (1zone = Max 32 Channels)

 512 Channel Capacity

 5/1 Watt RF Power Setting

 Text Messaging with inbox and outbox (within 40 letters), Max 10 sentences

 Encryption Mode (ARIA 128, 192, 256. LEA 128. 196. 256. AES128 256)

 TX Interrupt

 Lone Worker Mode

 Scan

 BCL / BCLO

 Time-Out Timer (TOT)

 Emergency / Siren

 Built in Flash Lamp

 Etiquette (Vibration)

 Voice recording and playback

 Mixed Channel Operation (Analog / Digital)

 GPS (Option)

 Five level VOX (Voice Operated Transmit)

 Five level S.Q (Analog)

 Remote Radio Stun / Kill / Revive

 Clear speaker volume of 1Watt

 UDC accessory connector for waterproof IP67

 3Lines Mono LCD Display

 Aluminum metal Frame Body

 DC+7.4V Li-ion / 2,600mAH

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2. Specification

2.1 DX Series

General

Frequency Range

Frequency Stability
Programmable Channels
Channel Spacing
Digital Vocoder
Dimensions
Weight
Power Source
Current Drain (maximum)

Receiver

Sensitivity
Squelch Sensitivity
Selectivity
Spurious and Harmonic Rejection
FM Hum and Noise
Audio Output Power
Audio Distortion
Audio Response
Input Impedance

DX-8100 : 136~174 MHz
DX-8200 : 216~224 MHz
DX-8400 : 400 ~470 MHz
±1.5ppm (-30 to +60℃)
16 Zones / 32 Channels

12.5KHz
AMBE++
103mm(H) x 52mm(W) x 32mm(D)
280g
DC +7.4V Li-ion 2,600mAH Battery
Receive mode, rated audio out – 420 (Audio Max)
Transmit mode – 1,200mA
Standby mode – 110mA

0.25uV 12 dB SINAD

0.22uV 10dB SINAD
65dB (12.5KHz)
75dB
40dB (12.5KHz)
1 Watt across an 16-ohm load
Less than 3% at rated output

+1, -3 dB from 6dB per octave de-emphasis Characteristic from 300 ~ 3000Hz

50 ohms

Transmitter

RF Power Output
Spurious and Harmonic
FM Hum and Noise
Audio Distortion
Audio Frequency Response
Output Impedance

3

5/1Watt
70dB
40dB (12.5KHz)
3% maximum with 1KHz modulation

+1, -3dB from 6dB per octave pre-emphasis Characteristic from 300 ~ 3000Hz

50ohms

3. DX Package Contents

* The components may be changed at the request of the buyer.

Radio Unit Battery One Slot Charger Antenna

Belt Clip Strap User Manual

Figure 3-1) DX-Series Main Package Contents

XB-2600 : 2,600mAH Li-ion Battery Pack

XC-100D : One Slot Charger

XC-200D : Dual Slot Charger

423D-WS : 400~450MHz SMA Whip Antenna

460D-WS : 440~470MHz SMA Whip Antenna

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3.1 Appearance of DX Series Radio

Figure 3-2) DX-Series Appearance of the Radio Unit

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Figure 3-3) DX-Series Appearance of LCD

3.2 Button & LED Operations

Button & LED Operation Description

Power ON/OFF

Volume/Menu

+/- Button

Up/Down Button

Zone Button

Menu/OK Button

Cancel/Return Button

Turning the volume knob clockwise to power ON, volume up and turning

the knob counterclockwise to power OFF, volume down.

Press +/- button to control the call audio.

+ button will volume up and – will volume down.

In Menu status, it moves through list functions to choose from.

You can change the setting for the set channel.

32 channels can be input per zone.

You can move to other list functions in the progress of menu.

You can proceed to change the calling area set by the user in order.

Button for entering into Menu mode.

When entered into Menu mode, you can choose each list functions.

Press the button to return to previous item in menu.

In the menu setting screen, it functions as cancel button.

Short press is Programmable Key.

Long Press of button more than 2 seconds is as follows:

P1, P2, P3 Button

- P1 is to disable the keypad lock function

- P2 is to turn Flash ON / OFF

- P3 is to turn Etiquette (Vibration) ON / OFF

Button directly for Contact List.

Contact List Button

You can enter Private Contact, Private Call, Group Call or All Call.

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4. Basic Operations

Please fully read the instruction manual before use.

This manual provides convenient information related to radio operation.

4.1 Antenna Installation and Removal

To attached the antenna connector, fasten the antenna clockwise.

To remove the antenna, rotate it counter-clockwise.

Figure 4-1) Antenna Installation and Removal

When installation of antenna, giving a strong pressure to the radio or

pulling the antenna with a strong power from the radio can make a

damage on the antenna connector, which may cause the radio to have

a critical problem.

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4.2 Battery Installation and Removal

Refer to the figure 4-2 and 4-3.

To remove the battery, push the locker and pull following the arrow direction.

To install the battery, slide up the battery towards the top of the radio as number 1 and push

down as number 2 until battery latch is locked.

Figure 4-2) Battery Removal

Figure 4-3) Battery Installation

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