YEONHWA M TECH DX-8400 DMR(Digital Mobile Radio) User Manual

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Document ID	3870397
Application ID	OTo/cWtIWJSXQv41UkNYnA==
Document Description	User manual
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
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Date Submitted	2018-05-31 00:00:00
Date Available	2018-06-01 00:00:00
Creation Date	2018-04-24 14:48:13
Producing Software	Microsoft: Print To PDF
Document Lastmod	2018-05-28 14:27:53
Document Title	Microsoft Word - DX-8000 Service Manual(English ver 20170731).doc
Document Author:	hdkim

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: 82-31-444-7270
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.

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
LEA 128. 196. 256. AES128 256)
2. Specification
2.1 DX Series
General
Frequency Range
DX-8100 : 136~174 MHz
DX-8200 : 216~224 MHz
DX-8400 : 400 ~470 MHz
Frequency Stability
±1.5ppm (-30 to +60℃)
Programmable Channels
16 Zones / 32 Channels
Channel Spacing
12.5KHz
Digital Vocoder
AMBE++
Dimensions
103mm(H) x 52mm(W) x 32mm(D)
Weight
280g
Power Source
DC +7.4V Li-ion 2,600mAH Battery
Current Drain (maximum)
Receive mode, rated audio out – 420 (Audio Max)
Transmit mode – 1,200mA
Standby mode – 110mA
Receiver
Sensitivity
0.25uV 12 dB SINAD
Squelch Sensitivity
0.22uV 10dB SINAD
Selectivity
65dB (12.5KHz)
Spurious and Harmonic Rejection
75dB
FM Hum and Noise
40dB (12.5KHz)
Audio Output Power
1 Watt across an 16-ohm load
Audio Distortion
Less than 3% at rated output
Audio Response
+1, -3 dB from 6dB per octave de-emphasis Characteristic from 300 ~ 3000Hz
Input Impedance
50 ohms
Transmitter
RF Power Output
5/1Watt
Spurious and Harmonic
70dB
FM Hum and Noise
40dB (12.5KHz)
Audio Distortion
3% maximum with 1KHz modulation
Audio Frequency Response
+1, -3dB from 6dB per octave pre-emphasis Characteristic from 300 ~ 3000Hz
Output Impedance
50ohms
3. DX Package Contents
* The components may be changed at the request of the buyer.
Radio Unit
Battery
Belt Clip
One Slot Charger
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
Antenna
3.1 Appearance of DX Series Radio
Figure 3-2) DX-Series Appearance of the Radio Unit
Figure 3-3) DX-Series Appearance of LCD
3.2 Button & LED Operations
Button & LED
Power ON/OFF
Volume/Menu
+/- Button
Operation Description
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.
Up/Down Button
32 channels can be input per zone.
You can move to other list functions in the progress of menu.
Zone Button
Menu/OK Button
Cancel/Return Button
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
Contact List 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.
You can enter Private Contact, Private Call, Group Call or All Call.
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.
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
4.3 Belt Clip Installation and Removal
Refer to figure 4-4.
To attach belt clip to the radio, align its rails with the grooves in radio and slide the belt clip
onto the mounting rails until it latches into place.
To remove belt clip from the radio, push up on tab of belt clip with flat bladed screw driver
and at the same time, slide the belt clip towards the top of Radio.
Figure 4-4) Belt Clip Installation and Removal
4.4 External Accessory Connector Jack
Connect the external accessory as shown in the picture.
Fix the main unit and the accessory by aligning them and tighten the screw.
To remove the accessory, loosen the fixed screw.
Figure 4-5) External Accessory Jack
4.5 Charging the Battery
RED lamp indicates the radio is on the charger (XC-200D) that the unit is starting to charge
and the LED will illuminate GREEN when the charging is completed.
Charger (XC-200D) is dual to charge both the main unit and the battery pack.
When both of them are connected to the charger, the front radio with the battery will be
charged first and the batter pack later.
Figure 4-6) Charging the Battery
10
5. Operation of DX Series
DX series Button Operations are as follows in figure 5-1.
Figure 5-1) DX Series Button Description
5.1 Power ON / OFF, Volume Switch
Turning the volume switch knob clockwise to power ON and turning the knob counterclockwise
to power OFF.
There will be a sound with a logo on LCD when turning ON the radio.
When turning the knob to counter-clockwise, you will hear good-bye and the radio will be
turned OFF.
You can also control the Volume level with the knob. It volumes up when you turn it clockwise
and volumes down when you turn it counter-clockwise.
11
5.2 PTT Button
The radio transmits messages when pressing PTT button. It receives messages when releasing
the PTT button.
In order to have clear sound when transmitting, it is recommended to speak around 5~10cm
away from the MIC.
5.3 ZONE Button
When pressing Zone button, zone registered in the program will be selected in order.
You can choose channel by using UP/DOWN button in selected zone.
5.4 Menu Button
After pressing the menu button, you will see the menu listed below as figure 5-2.
When pressing the left arrow button, it moves to the left.
When pressing the menu button one more time while in the menu, it moves to detailed menu
section of the selected one.
Figure 5-2) DX Series Menu
12
Figure 5-2) DX Series Menu Tree
5.5 Channel Menu UP / Down Button
Regularly UP / DOWN buttons are for the channel selection.
In the menu screen, it moves through different functions (UP&DOWN).
5.6 Contact Button
Press the button to enter the contact list programmed into the radio such as Private, Group
and All Call.
5.7 P1, P2, P3 Programmable Button
Press of the buttons allow the enable and disable of programmed functions.
Operational short press and long press (Over 2 seconds) are available.
You can set the function with short Key in PC program.
However, Long Key is defined in the radio itself.
13
When Keypad Lock is ON, key Lock is set automatically in 10 seconds when there is no press of
buttons.
P1 is to disable temporarily the keypad lock function and you need to press Long Key to
unlock it.
It automatically locks again when you do not press the buttons in 10 seconds.
In order to unlock totally the keypad lock, go to the menu-settings and select OFF in the
Keypad Lock menu.
P Button
Short Key
Long Key
P1
Programmable
Key Lock ON /
OFF(Temporarily)
P2
Programmable
Flash Light ON / OFF
P3
Programmable
Vibration ON / OFF
5.8 UDC EAR / MIC Jack
UDC EAR/MIC Jack is used in the following cases:
1) When using external speaker MIC
2) When setting radios with CPS Program
3) When communicating with external terminals
5.9 LED Indication Status
This LED is a lamp indicating the current status of the Radio and please refer to the below
contents.
① Normal TX: Red Lamp
② Normal RX: Green Lamp
③ Green lamp flickers when frequency matches but not the color code.
④ Low Battery: Red Lamp blinks with “beep” sound.
14
6. Charging the Battery
6.1 Safety Notes
1) DX-series receives power from high-performance Li-ion battery (XB-2600).
Battery is safe of high performance and highly reliable.
When using the standard charger, it allows you to fully use the battery’s efficiency and life span.
The charging of the enclosed radio on the other maker’s charger will
cause damage to the battery and also a trouble.
2) Please charge the battery before using the radio for best performance and safety.
3) When you charge the battery that is installed in the radio, please turn off the radio first to
charge the battery.
The continuous rapid discharge (For example, when making a short
circuit on the ‘+,-‘ terminals of battery by a metal substance) may make
a fatal defect and the battery can be exploded as well as cause fire.
6.2 The Time of Charging
low battery voltage may reduce communication coverage and also make the performance
worse.
Please charge the battery in case of following:
1) When you think the performance of the radio has degraded.
2) When the red lamp on RX / TX LED blinks (every 0.5 seconds) during transmission or
reception.
3) When the battery icon flickers.
4) When you hear the “beep” sound while the radio is in use.
6.3 How to Charge
1) Plug the adaptor of XC-200D charger in general power AC220V.
2) When charging the battery that is equipped with radio, please turn off the power of the
radio and plug it in the charger.
15
3) Even if charging it completed (green lamp lights shown), please charge about 30 more
minutes for a full charge.
Status
LED Indication
Status
LED Indication
Charging
Red LED lights
Error Detection
Red LED flickers
Green LED lights
Keep Charging
Green LED Appears
Complete
Charging
7. DX-Series Operation
7.1 Menu Functions
To enter the menu lists, press
button to have access.
There are 8 main menus and you can use the radio more conveniently if you use it according
to your purpose and environment.
Figure 7-1) DX Series Menu Lists
☞ Note) If the menu is not operated for at least 25 seconds after launch, the radio will revert
to standby mode.
7.1.1 Contact
Set the contact list by CPS program and press PTT button to call.
When you prefer to call another registered call, select from the list and press PTT button.
It is available to register / delete the contact list by CPS (Customer Programing Software).
You can find Individual, Group and All Call list by selecting the Contact menu.

Icons below are shown in the contact list.
: Individual Call List (Individual Call , Send individual message)
: Group Call List
: All Call List (Can use the terminals with the same channel and color code)
(Group Call , Send group message)
16
7.1.2 Messages
When you receive a message, the contents will be displayed on the LCD screen.
When you are in the menu and the message is sent by someone, it will appear as an icon.
There are Quick Text, Inbox and Outbox function as follows:
1) Quick Text
The preset messages are up to 10 in total by CPS Program.
Each message can be written up to 40 letters and be edited.
You can see the quick text message when selecting from the menu and select the
message and press
button to see it.
When you press one more time
button, the message will be sent to the terminal.
2) Inbox
Stores up to 10 receives text messages; when the received messages exceed 10, the
oldest message is cleared and the newest incoming message is registered.
When you choose messages stored in the list, you can view the received messages.
You can also delete the received messages by selecting all delete menu.
3) Outbox
Stores up to 10 outgoing text messages; when the outgoing messages exceed 10, the
oldest message is cleared and the newest send message is registered.
When you choose messages stored in the list, you can view the sent messages.
You can also delete the sent messages by selecting all delete menu.
7.1.3 Call Logs
The function allows the viewing of incoming and outgoing calls from individuals only.
The Group and All call records are not saved. The contents are managed in the same manner
as Inbox / Outbox of the messages.
17
1) Inbox
Call records in the inbox can be saved up to 10.
You can also see the caller ID.
Stores up to 10 receives calls; when the received ones exceed 10, the oldest call is
cleared and the newest incoming call is registered.
You can also delete the received records by selecting all delete menu.
2) Outbox
Stores up to 10 receives calls; when the received ones exceed 10, the oldest call is
cleared and the newest outgoing call is registered.
You can also see the caller ID.
You can delete the sent records by selecting all delete menu as well.
7.1.4 Record
This function is used to record the content of incoming and outgoing calls.
You can delete all when the recorded contents are unnecessary.
Up to 63 conversations / recordings can be stored with each recording limited to 2 minutes
and 30 seconds.
Turn ON or OFF the setting in the menu when you need this function.
In the state that the encryption function is selected, only the call with
the encryption mode can be heard in normal recording and call with no
encryption mode cannot be heard.
7.1.5 Scan
Channels set in the scan list can be scanned in order when the Scan function is ON.
When there is used channel while scanning, it stops at that channel and receives the contents.
When wanting the call while scanning, use the CPS Program.
1) Scan ON/OFF
This function provides the ability to turn scan ON/OFF and review the scan list as
programmed into the radio via the Program.
18
2) Scan List
You can set the scan list via CPS Program.
7.1.6 ZONE
Up to 16 zones (with up to 32 channels per zone) can be programmed into the radio via CPS
program.
7.1.7 Setting
This function allows the changes to the settings of the radio status.
There are Power level, Encryption, Voice Operated Transmit (VOX), Lone worker, BCL/BCLO,
Keypad lock, Tones, LCD Backlight, LCD Contrast/Brightness, LED control, Language etc.
1) TX Output
This function sets the power transmitting level at high or low.
2) Voice Encryption
This is a feature to encrypt the incoming and outgoing voice.
Voice Encryption function can only be performed from digital channel to each channel.
Voice Encryption code is set via CPS Program.
Encryption code can be set from 0 to 65535.
3)
VOX
VOX function allows transmitting voice without pressing the PTT button.
VOX sensitivity level is adjusted from 1 to 5 and can be set by users via CPS program.
4) Lone Worker
This function can inform others about your safety within the time set in the menu.
Setting time is from 1 minute to 100 minutes
19
5) BCL / BCLO
This function prevents interference when the channel is busy and limits the TX.
BCL : If the current channel is busy, the transmission is prohibited.
BCLO : The transmission is done regardless of the busy status of the channel.
6) Keypad Lock
This function locks the keypad to prohibit the accidental press of keys and buttons by the users.
When Keypad lock is ON, all keys and buttons are locked except the PTT button, the
emergency button and power ON/OFF.
Press the
key for 2 seconds to temporarily unlock the keypad for 25 seconds. Then, the
keypad will be locked again.
To unlock the keypad, go to the setting and select Keypad Lock and changed the status to OFF.
7) Tones
This function enables or disables the tones associated with key and button presses.
Only ON/OFF setting is allowed with the radio itself.
The details can be set through CPS program.
8) LCD Backlight
This function allows the backlight of the LCD to be turned ON/OFF.
9) LCD (Contrast/Brightness)
This function is to adjust the contrast/brightness of from 1 to 7.
10) LED Control
This function is to set the enable or disable the radio LED status.
You can set it with CPS program the details.
20
11) Language
This function is to select the language by the user.
7.1.8 Radio Info
This shows all the info of the radio.
8. Safe Operation
8.1 Precautions
Do not remove the antenna from the radio or do not transform the antenna
or do not make any changes on the antenna. The strong electronic wave to
be emitted from the radio can have an effect on the performance of the
radio and can cause the radio to have a defect.
Do not use accessories (such as rechargeable battery, adaptor, external
speaker microphone and earphone etc.) from the other makers, which can
cause defect on battery and malfunction or a defect on the radio.
Do
not
disassemble
or
reorganize
the
radio.
The
disassembly
or
reorganization will cause a defect or malfunction on the radio. It will be
impossible to repair afterwards. There will also be a punishment made by
the Radio Waves Act.
Do not use other frequency except for the permitted frequency in order not
to be punished by the Radio Waves Act.
• Do not give an excessive shock to the radio.
• Do not place the radio where the direct sunlight and/or the high
temperature occurs..
• If the radio is placed for a long time in a car in summer, the hot
temperature in the car may cause explosion of battery.
• Do not make a damage to the battery by a sharp substance and/or an
excessive shock.
21
8.2 Influences on the Operations of Radio or Other Equipment
The radio emits a strong electronic wave, which may have an effect on the operation of other
equipment and also can be influenced by the other devices.
Please turn off the radio before boarding on the airplane.
When using the radio in the airplane, please follow the rules or the instructions of
the flight attendants.
In case of the area that medical equipment are being used, please use the radio
after discussion with the equipment producer or the related doctor.
Please do not use the radio at the place where computer or other electric/electronic
devices are being used.
The strong electronic wave from the radio can have an effect on the equipment.
9. Safety Notes
Please make sure to read the followings above for safe and effective use of the radio.
• Please keep the radio away at least 1 inch from the body.
• If the outside surface of antenna gets stripped out, it can make a burn on the skin.
• If you contact a conductive metal to battery terminal, a heat can be made and it
may cause fire, explosion and burn. Especially, please be careful when putting the
battery in a pocket or a bag.
• When using an earphone, please do not listen to the sound at a high level. The
high sound may have a bad effect on your ear.
• After setting the volume of the radio at a low level, please adjust the volume step
by step to the level you want. A sudden high sound may bring a bad damage to
the ear or the heart.
• Please do not remove, replace, charge or discharge the battery at a dangerous
area since it may cause explosion or fire by an electrical spark.
• At the area where an electromagnetic force can be made, please make sure to turn
off the power of the radio.
22
Warranty Statement
Thank you for purchasing DX-8000 Series.
1. This product has passed strict quality control and testing process by YeonHwa M Tech.
2. Warranty is one year from the day of release.
• When there is malfunction of the product under normal operating conditions during
the warranty period, your authorized dealer and the service center will repair it free of
charge.
3. Service fees will be charged for the following cases:
• When performance failed, malfunction or damaged after the warranty period.
• When the product is damaged due to user’s mishandling or improper operation.
• When the product is damaged due to fire, pollution, earthquakes and any other natural
or unnatural conditions, accidents etc.
• Malfunction by not keeping the notices written in the user manual.
• Malfunction by not using the appointed adaptor.
• When the product is damaged due to user’s modification, attempts of repairing rather
than the appointed service center.
4. Product Check List
Model Name
DX-8000 Series
Serial No.
Purchase Date
Purchaser
Name
Address
※ Please fill out this check list when purchasing the product.
YeonHwa M Tech Co., Ltd.
36, Jeonparo 44beongil, Manan-gu, Anyang-si, Gyeonggi-do, Korea 14086
TEL: 82-31-444-7270
FAX: 82-31-444-7271
23
1.
Warning
This device complies with Part 90 of the FCC Rules.
Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired operation.
changes or modifications not expressly approved by the
party responsible for compliance could void the user's
authority to operate the equipment.
NOTE: This equipment has been tested and found to
comply with the limits for a Class B digital device,
pursuant to Part 90 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 radiate 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
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 into an outlet on a circuit
different
24
from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV
technician for help.
NOTE: This device and its antenna(s) must not be
co-located or operation in conjunction with any other
antenna or transmitter.
RF Exposure Statement
To maintain compliance with FCC’s RF Exposure
guidelines, This equipment should be installed and
operated with minimum distance of 0mm the radiator
your body.
This device and its antenna(s) must not be co-located or
operation in conjunction with any other antenna or
transmitter. Changes or modifications to this unit not
expressly approved by the party responsible for
compliance could void the user’s authority to operate the
equipment.
RF Exposure Information:
The SAR limit of USA (FCC) is 1.6W/kg averaged over
one gram of tissue. Device Types (FCC ID: VSODX-8400)
has also been tested against this SAR limit.
The highest SAR value reported under this standard
during product certification for use when properly worn on
the Face-held is 0.868W/kg and for body-worn is
2.76W/kg. Simultaneous RF exposure is 3.628W/Kg.
This device was tested for typical body‐worn operations
with the back of thehandset kept 0mm from the body.To
maintain compliance with FCC RF exposure requirements,
use accessories that antain a 5mm separation distance
between the user's body and the back of thehandset.
The use of belt clips, holsters and similar accessories
should not containmetallic components in its assembly.
25
The use of accessories that do not satisfy
theserequirements may not comply with FCC RF
exposure requirements, and should beavoided.
The use of belt clips, holsters and similar accessories
should not contain metallic components in its assembly.
The use of accessories that do not satisfy these
requirements may not comply with FCC RF exposure
requirements, and should be avoided.
26

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