Hytera PD78XG User manual

OWNER’S MANUAL
INTRINSICALLY SAFE DIGITAL PORTABLE RADIO
2014
L07157 Z07639 C10524
811PD78002200

Preface
Thanks for your favor in our product. This manual is helpful for you to quickly know how to use the
product. Please refer to the corresponding Feature Book for detailed features and operations.
This manual is applicable to the following product:
PD78X/78XG Intrinsically Safe Digital Portable Radio (X may represent 2, 5, 6 or 8)

Instructional Icons
Indicates functions that are available on digital
channel only.
Indicates functions that are available on analog
channel only.
Functions marked with neither the above
icons are available on both analog and digital
channels.
Disclaimer
Hytera Communications Co., Ltd. (“the Company”)
endeavors to achieve the accuracy and completeness
of this manual, but no warranty of accuracy or
reliability is given. All the specifications and designs
are subject to change without notice due to continuous
technology development. No part of this manual may
be copied, modified, translated, or distributed in any
manner without the express written permission of us.
We do not guarantee, for any particular purpose,
the accuracy, validity, timeliness, legitimacy or
completeness of t he Third Par t y pro ducts and
contents involved in this manual.
If you have any suggestions or would like to learn
more details, please visit our website at: http://www.
hytera.com.
RF Radiation Information
This product must be restricted to operations in an
occupational/controlled RF exposure environment.
Users must be fully aware of the hazards of the
exposure and able to exercise control over their RF
exposure to qualify for the higher exposure limits.
RF Radiation Prole
R a d i o F r e q u e n c y ( R F ) i s a f r e q u e n c y o f
electromagnetic radiation in the range at which radio
signals are transmitted. RF technology is widely used
in communication, medicine, food processing and
other fields. It may generate radiation during use.
RF Radiation Safety
In order to ensure user health, experts from relevant
industries including science, engineering, medicine
and health work with international organizations to
develop standards for safe exposure to RF radiation.
These standards consist of:
●United States Federal Communications
Commission, Code of Federal Regulations; 47CFR
part 2 sub-part J;
●American National Standards Institute (ANSI)/
Institute of Electrical and Electronic Engineers
(IEEE) C95. 1-1992;
●Institute of Electrical and Electronic Engineers
(IEEE) C95.1-1999;
●International Commission on Non-Ionizing Radiation
Protection (ICNIRP) 1998.
FCC Regulations
Federal Communication Commission (FCC) requires
that all radio communication products should meet the
requirements set forth in the above standards before
they can be marketed in the U.S, and the manufacturer
shall post a RF label on the product to inform users
of operational instructions, so as to enhance their
occupational health against exposure to RF energy.
Operational Instructions and Training
Guidelines
To ensure optimal performance and compliance with
the occupational/controlled environment RF energy
exposure limits in the above standards and guidelines,
users should transmit not more than 50% of the time
and always adhere to the following procedures:
●RF energy will be generated only when the radio is
transmitting.
●The radio must be 2.5 centimeters away from
human body when transmitting.
EU Regulatory Conformance
As certified by the qualified laboratory, the product
is in compliance with the essential requirements and
other relevant provisions of the Directive 1999/5/EC.
Please note that the above information is applicable to
EU countries only.
Intrinsically Safe Radio Information
(Exi)
Equipment marking
SGS
I.S Class I, II,III, Division 1, Group C,D,E,F,G ,T4
NI Class I, Division 2, Group A,B,C,D
-30℃to +55℃
Certicate Number
USTC/13/FAI/01689
No Misoperations
Stop operating this product and leave the explosive
atmosphere immediately when the safety or integrity
of the product is endangered, and deliver it to your
local dealer for examination.
These items may endanger the product’s safety or
integrity:
●The radio is stored improperly;
●The radio is faulty;
●The radio works with overload;

●The radio’s operational error or threshold value is
out of allowed range.
●The radio is damaged during transportation;
●The radio’s housing is obviously damaged or
cracked;
●The radio logo or model is hard to be recognized;
Safety Instructions
Caution：To protect you against any
property loss, bodily injury or even death,
be sure to observe the following safety
instructions:
●Use only the Ex-battery BL2411-Ex specified by the
Company. The use of other batteries may result in
Ex-protection (intrinsic safety) failure.
●Charge the battery in a non-hazardous area only
with the designated charger.
●Do not remove the battery from the radio in a
hazardous area.
●Do not carry any standby battery into a hazardous
area.
●Use the accessories specified by the Company
only. Do not replace the accessories in a hazardous
area.
●Do not use a damaged antenna. If a damaged
antenna comes into contact with your skin, a minor
burn may result.
●Do not expose the radio to direct sunlight for a long
time, nor place it close to a heating source.
●Hold the radio upright and keep its microphone 2.5
to 5 centimeters away from your mouth during use.
●If you wear a radio on your body, ensure its antenna
is at least 2.5 centimeters away from your body
during transmission.
●Do not attempt to repair and service the radio,
batteries and its accessories. Please contact your
dealer for repair and servicing.
●Do not dissemble or redo the radio. Unauthorized
modification of the radio may result in termination of
Ex-protection (intrinsic safety) of the radio.
●Improper usage of the product other than it is
intended to be used for will impair safety of the
product, yourself and surrounding environment.
●Do not ca rr y the radio i nt o Zone 0 and 20.
Please do not use the radio out of the operating
temperature range specification of this product.
Specications
Item Specifications
Rated Operating Voltage DC 7.4V
Max. Operating Voltage DC 8.4V
Max. Operating Current 2.7A
Dimensions (H * W *D)
(with standard battery,
without antenna)
125*55*43mm
Weight (with standard
antenna & battery) About 369g
Sensitivity 0.3μV
Rated Audio Power Output 0.5W
Audio Distortion 3%
Ambient Temperature -30℃to +55℃
Storage Temperature -40℃to +85℃
Charging Temperature 0℃to +40℃
Battery Ex-battery BL2411-Ex
(2400mAh)
Charging Time About 4 hours
Compliance Standards
●UL 913 5th Ed. February 21,1997
●CSA C22.2 No. 157-92 (R2012) +UPD1 +UPD2
Informations sur la Radio
intrinsèquement sûre (Exi)
Marquage de l’équipement
SGS
I.S Classe I, II, III, Division 1, Groupe C,D,E,F,G ,T4
NI Classe I, Division 2, Groupe A,B,C,D
-30 ℃à +55 ℃
Numéro de certicat
USTC/13/FAI/01689
Mauvaises utilisations à éviter
Arrêtez d’utiliser ce produit et quittez l’atmosphère
explosive immédiatement si la sécurité ou l’intégrité
du produit sont compromises, puis retournez-le à votre
revendeur local pour vérification.
Vo i c i l a l i s t e d e s é l é m e n t s s u s c e p t i b l e s d e
compromettre la sécurité ou l’intégrité du produit :
●La radio n’est pas stockée correctement.
●La radio est défaillante.
●La radio fonctionne en surcharge.
●La valeur de seuil ou d’erreur de fonctionnement
de la radio se trouve en dehors de la plage
autorisée.
●La radio est endommagée au cours du transport.
●Le boîtier de la radio est visiblement endommagé
ou fendillé.
●Le logo ou le modèle de la radio sont difficilement
reconnaissables.
Instructions de sécurité
Avertissement：Pour vous protéger contre
la perte de biens, les blessures corporelles
ou même les risques mortels, assurez-
vous de suivre les instructions de sécurité
suivantes :

4
●N’utilisez que la batterie Ex BL2411-Ex spécifiée
par l’Entreprise. L’utilisation d’autres batteries
peut entraîner une défaillance de la protection Ex
(sûreté intrinsèque).
●Chargez uniquement la batterie dans une zone ne
présentant aucun risque, à l’aide du chargeur
prévu à cet effet.
●Ne retirez pas la batterie de la radio dans une zone
à risques.
●Ne transportez pas de batterie de rechange dans
une zone à risques.
●Utilisez uniquement les accessoires spécifiés par
l’Entreprise. Ne remplacez pas les accessoires
dans une zone à risques.
●N’utilisez pas une antenne endommagée. Si une
antenne endommagée entre en contact avec votre
peau, vous risquez des brûlures superficielles.
●N’exposez pas la radio à la lumière directe du
soleil pendant une période prolongée. Ne la placez
pas à proximité d’une source de chaleur.
●Tenez la radio en position verticale et gardez le
micro à une distance de 2,5 à 5 cm de votre bouche
pendant son utilisation.
●Si vous transportez une radio, assurez-vous que
son antenne se trouve à une distance minimale de
2,5 cm de votre corps au cours de la transmission.
●N’essayez pas de réparer et d’entretenir la radio,
les batteries et les accessoires. Veuillez contacter
votre revendeur pour la réparation et l’entretien.
●Ne démontez pas la radio, ne la modifiez pas.
Toute modification non autorisée de la radio peut
compromettre la protection Ex (sûreté intrinsèque)
de la radio.
●Une utilisation incorrecte du produit, autre que dans
le cadre de l’utilisation prévue, peut compromettre
la sécurité du produit, votre sécurité et celle de
votre environnement.
●Ne transportez pas la radio dans des zones 0
et 20. Veuillez ne pas utiliser la radio en dehors
des plages de température de fonctionnement
spécifiées pour ce produit.
Spécications
Élément Spécifications
Tension nominale de
fonctionnement 7,4 V CC
Tension maximum de
fonctionnement 8,4 V CC
Intensité maximum de
fonctionnement 2,7 A
Dimensions (H×L×P)
(avec batterie standard,
sans antenne)
125×55×43 mm
Poids (avec antenne et batterie
standards) Environ 369 g
Sensibilité 0,3 μV
Puissance nominale de sortie
audio 0,5 W
Distorsion audio 3 %
Température ambiante -30℃à +55 ℃
Température de stockage -40℃à +85 ℃
Température de charge 0℃à +40 ℃
Batterie Batterie Ex BL2411-
Ex (2 400 mAh)
Durée de chargement Environ 4 heures
Normes de conformité
●UL 913 5e éd. 21 février 1997
●CSA C22.2 N°157-92 (R2012) +UPD1 +UPD2

1
Instructional Icons
Items in the Package------------------------------------------------------------------- 2
Product Overview ----------------------------------------------------------------------- 2
Product Control ---------------------------------------------------------------------- 2
Programmable Keys---------------------------------------------------------------- 2
Before Use--------------------------------------------------------------------------------- 3
Charging the Battery --------------------------------------------------------------- 3
Attaching the Battery --------------------------------------------------------------- 3
Checking the Battery Power------------------------------------------------------ 3
Attaching the Antenna ------------------------------------------------------------- 3
Attaching the Belt Clip ------------------------------------------------------------- 3
Attaching the Accessories -------------------------------------------------------- 3
Status Indication ------------------------------------------------------------------------ 4
LCD Icon ------------------------------------------------------------------------------ 4
LED Indicator------------------------------------------------------------------------- 4
Menu Navigation------------------------------------------------------------------------- 5
Basic Operation-------------------------------------------------------------------------- 5
Powering On/Off--------------------------------------------------------------------- 5
Adjusting the Volume--------------------------------------------------------------- 5
Selecting a Zone -------------------------------------------------------------------- 5
Selecting a Channel ---------------------------------------------------------------- 6
Inputting via Keypad---------------------------------------------------------------- 6
Locking and Unlocking the Keypad -------------------------------------------- 6
Managing the Contact ------------------------------------------------------------- 6
Call Services------------------------------------------------------------------------------ 6
Private Call --------------------------------------------------------------------- 6
Group Call ---------------------------------------------------------------------- 7
Call on Analog Channel (No Signaling) ---------------------------------- 7
Emergency Call---------------------------------------------------------------------- 7
Message Services ---------------------------------------------------------------- 7
Troubleshooting ------------------------------------------------------------------------- 8
Care and Cleaning ---------------------------------------------------------------------- 9
Optional Accessories ------------------------------------------------------------------ 9

2
Items in the Package
Please unpack carefully and check that all items listed
below are received. If any item is missing or damaged,
please contact your dealer.
Note: The frequency band is marked on
the label of antenna; if not, please refer to
the label on the radio for frequency band
information.
Battery
ChargerAntenna
Strap
Belt Clip
Power Adapter
Radio Unit
Manuals
OWNER'S MANUAL
Product Overview
Product Control
No. Part Name No. Part Name
1 SK1 (Side Key 1) 11 LED Indicator
2PTT (Push-to-Talk)
Key 12 Antenna
3 SK2 (Side Key 2) 13 Power On-Off/
Volume Control Knob
4 TK (Top Key) 14 Accessory
Connector
5Channel Selector
Knob 15 Back Key
6 Microphone 16 Up Key
7 LCD Display 17 Down Key
8 OK/Menu Key 18 Battery Latch
9 Speaker 19 Belt Clip
10 Numeric Keypad 20 Battery
Programmable Keys
For enhanced convenience, you may request your
dealer to program the TK ( ), SK1, SK2, P1 ( )
and P2 ( ) as shortcuts to certain functions. Please
refer to the corresponding Feature Book for more
details.
Caution: The TK is programmed with
emergency feature by default (short press:
Emergency On; long press: Emergency Off).
It is programmable by your dealer.

3
Before Use
Charging the Battery
Caution:
●Make sure the radio is powered off
before charging. Read the Safety
Information Booklet in advance to get
necessary safety information.
●To achieve optimal battery performance,
please charge the battery for at least 5
hours before initial use.
Please use the charger specified by the Company to
charge the battery. Charging Diagram is listed below.
Charging Status Indication (on charger):
LED Indication Charging Status
The LED Indicator flashes red
slowly.
Standby (no load)
The LED Indicator glows red. Charging
The LED Indicator glows orange. 90% charged
The LED Indicator glows green. Fully charged
The LED Indicator flashes red
rapidly.
Charging failed
Charge the Radio
(with battery attached)
Charge the Battery
Attaching the Battery
Note: To remove the battery, turn off the
radio first. Then slide the battery latch
upwards to unlock the battery and remove
it.
Checking the Battery Power
You may check the current battery power by holding
down the programmed Battery Power Indicator key
preset by your dealer. And release the key to exit.
Battery power indications are listed below:
LED Indication Icon Battery Power
The LED Indicator
glows green. High
The LED Indicator
glows orange. Medium
The LED Indicator
glows red. Low
The LED Indicator
glows red and low
battery alert beeps.
Under the low battery
threshold. Please
recharge or replace
the battery for proper
radio operation
Attaching the Antenna
Caution: Do not hold the radio by its
antenna, otherwise the performance and
lifespan of the antenna will be reduced.
Attaching the Belt Clip
1. Loosen the screws from the back of the radio.
2. Align the screw holes of the belt clip with those on
the radio’s back, and then tighten the screws.
Attaching the Accessories
1. Open the accessory connector cover as shown
below.
2. Align the accessory (such as an audio accessory,
or a programming cable) plug with the accessory
connector.
Caution: Do not scrape the silicone rubber
surrounding the accessory connector screw
hole, in order to ensure the waterproof
performance of the radio.

4
√X X
3. Tighten the screw on the accessory plug.
Status Indication
LCD Icon
Icon Name Icon Radio Status
DTMF
Keypad Icon
The DTMF keypad is
enabled.
GPS Icon
The GPS feature is enabled,
and valid GPS data is
received.
The GPS feature is enabled,
but no valid GPS data is
received.
Battery
Power Icon
More bars indicate more
battery power.
TX Power
Icon
Low power for the current
channel.
High power for the current
channel.
Icon Name Icon Radio Status
Accessory
Icon An accessory is connected.
Work Order
Icon Unread work order.
Operation
Mode Icon
DM
Direct Mode Operation:
Under this mode, radios
can communicate with each
other directly.
RM
Repeater Mode Operation:
Under this mode, radios
communicate with each
other via a repeater.
Monitor Icon The Monitor feature is
enabled.
Emergency
Icon
The radio is in emergency
state (except for silent
emergency type) or an
emergency call is received.
Roam Icon The radio is roaming.
Scrambler/
Encrypt Icon
The Scrambler/Encrypt
feature is enabled.
Scan Icon
The radio is scanning.
The radio stays on a non-
priority channel.
The radio stays on Priority
Channel 1.
The radio stays on Priority
Channel 2.
VOX Icon The VOX feature is enabled.
Missed Call
Icon Missed call(s).
Message
Icon
Unread message(s).
Inbox is full.
RSSI Icon
No signal.
More bars indicate better
signal strength.
Icon Name Icon Radio Status
Speaker Icon The speaker is unmuted.
LQO Icon The LQO feature is enabled.
Call/Contact
Icon
●Indicates Private Call
during a call.
●Indicates Private Contact
in the contact list.
●Indicates Group Call
during a call.
●Indicates Group Contact
in the contact list.
●Indicates All Call during
a call.
●Indicates All Call Contact
in the contact list.
LED Indicator
LED Indication Radio Status
The LED indicator flashes
green. Powering on
The LED indicator glows
green. Receiving
The LED indicator glows red. Transmitting
The LED indicator flashes
orange slowly. Scanning or roaming
The LED indicator flashes
orange rapidly. Emergency
The LED indicator glows
orange.
Call hung. During
a call, you can hold
down the PTT key to
talk to the other party
before the call hang
time expires.

5
Menu Navigation
The following menu structure shows all the customizable menu items, which can be programmed by your dealer
as per your actual requirements.
In the home screen, press the Menu key to enter the main menu, use the Up/Down key to navigate the menu
items, and then press the OK key to confirm your selection. This manual only provides a menu path when
instructing menu operations, for example, to access the contact list, go to “Contact -> Contact List”.
The radio supports menu reset function. When you do not operate the menu for a preset time period configured
by the dealer, the radio will automatically return to the home screen. You may request the dealer to change the
auto reset time or disable the feature.
Menu
Contact
Message Call Logs
Settings Zone Accesso
ries
Phone
Contact
List
New
Contact
New
Msg
Quick
Text
Outbox
Drafts
Inbox
Outgoing
Incoming
Phone
List
Missed
Manual
Dial
Keypad Lock
DTMF
Keyboard
Roam
Power Level
Radio
Settings
Backlight
Device
Information
Brightness
Language
Encrypt
Tones
LED
Rent
LQO
VOX
Lone Worker
Priority
Covert Mode
Man Down
GPS
Scan
List
Scan
Manual
Dial
Scan
On/Off
Scrambler
Vibration
Radio Password
Select Button Lock
Programming
Frequency
Slot
Color
Code
Time Zone
GPS On/Off
Position View
Basic Operation
Powering On/Off
Adjusting the Volume
You can adjust the volume of output voice, alert tone
and channel notification tone by rotating the Volume
Control Knob. For other tones, the volume will be
configured by the dealer.
Selecting a Zone
A zone is a group of channels exhibiting the same
property, which is programmed by your dealer and can
facilitate convenient management over the channel.
The radio supports 64 zones, each of which consists
of up to 16 channels. You can select a zone through
any of the following ways:
●Via the menu: Go to “Menu -> Zone”, press the
Up/Down key to select an appropriate zone, and
then press the OK key to switch to the selected
zone.

6
●Via Programmable Keys: You can toggle to the
appropriate zone by pressing the programmed Zone
Up or Zone Down key preset by your dealer.
Selecting a Channel
If the Channel Notify feature is enabled by your dealer,
the radio will announce the channel number upon
channel switching.
Inputting via Keypad
You can input alias, call numbers and messages via
the keypad of the radio. Besides, you may need to do
the following during inputting.
●To switch input method:
●To input special characters:
●To input space:
Locking and Unlocking the Keypad
When the keypad is not in use, you can lock the
keypad to avoid mishandling. You can lock or unlock
the keypad through any of the following methods:
●Key Combination: Press the OK key and then press
.
●Programmable Key: Press the programmed Keypad
Lock key preset by your dealer.
●Menu Navigation: Go to “Settings -> Radio
Settings -> Keypad Lock”to enable or disable the
feature.
»Enable: The keypad will be locked automatically
if there is no radio operation within the preset
time. After this feature is enabled, you can
press the Up/Down key to set the Keypad Auto
Lock Delay Time.
»Disable: The keypad will not be locked
automatically. However, you can lock or unlock
the keypad via the key combination or Keypad
Lock key mentioned above.
Note: All keys on the front panel except for
P1 () and P2 ( ) ) will be locked by
default. Moreover, you can go to “Settings
-> Radio Settings -> Select Button Lock”
to configure the following lockable keys or
knobs: TK, Channel Selector Knob, P1(
)、P2(), SK1, SK2 and Volume Control
Knob.
Managing the Contact
You can manage the contacts via the “Contact”
menu.
Contact List
The Contact List is used to save Private Call/Group
Call/All Call contacts information such as Call Alias,
Call Type and Call ID. You can access the “Contact
List”menu via the “Contact”menu or by pressing
the programmed Contact List key.
In the “Contact List”menu, you can check the
contact information, edit or delete the private contact.
You can send to a private call contact the following
commands: Alert Call, Radio Check, Remote Monitor,
Radio Enable or Radio Disable. Please refer to
Feature Book for details.
New Contact
You can add and save a new contact to the contact
list. The number and alias of a new contact must be
unique.
Note: Except for adding a new contact, you
can also save the new numbers from Call
Logs, ReDial List and BackDial List into the
contact list.
Call Services
After the radio is powered on, you can make and
receive calls. To ensure optimal volume of the
receiving radio, keep the microphone about 2.5 to 5
centimeters away from your mouth when transmitting.
2.5~5.0CM
Private Call
Initiating a Private Call
When initiating a private call, the radio will display the
icon . You can make a private call through the
following ways:
Preset Contact
In the home screen, hold down the PTT key to initiate

7
a Private Call to the Private Call contact preset for the
current channel.
You may request your dealer to preset a regular
Private Call contact, Group Call contact or an All Call
contact for each digital channel.
Contact List or Call Log
1. Go to “Contact -> Contact List” or “Call Log”.
2. Use the Up/Down key to select an appropriate
contact.
3. Hold down the PTT key to initiate a private call.
Manual Dial
1. Go to “Contact -> Manual Dial”.
2. Input the private call number via the numeric
keypad.
3. Hold down the PTT key to initiate a private call.
Note:
●If both the Private Call Manual Dial and
Group Call Manual Dial are available,
you can press to switch between
the two dialing methods, and the radio
will display the call type (private call ID/
group call ID).
●If the Default Numeric Key Selection
feature is enabled by your dealer, you
can enter a private call number in the
home screen, and then hold down the
PTT key to initiate a private call. However,
if the DTMF keypad is enabled, the
number entered in the home screen is a
phone number. You can dial the private
call number via the menu “Manual
Dial” only.
Receiving and Responding to a Private Call
After receiving a private call, the radio will display
the icon , and you can listen to it without any
operation. You can hold down the PTT key to call back
within the preset time. If you do not respond it, the
radio will display appropriate indications.
Group Call
Initiating a Group Call
When initiating a group call, the radio will display the
icon . You can make a group call through the
following ways. The operation is similar to initiating a
private call.
Preset Contact
In the home screen, hold down the PTT key to initiate
a group call to the group call contact preset for the
current channel.
Contact List
1. Go to “Contact -> Contact List”.
2. Use the Up/Down key to select an appropriate
contact.
3. Hold down the PTT key to initiate a group call.
Manual Dial
The operation is the same as initiating a private call.
Receiving and Responding to a Group Call
After receiving a group call, the radio will display the
icon . You can hold down the PTT key to call
back within the preset time.
Call on Analog Channel (No
Signaling)
In an analog channel, you can hold down the PTT key
and talk to the microphone to transmit, and release the
PTT key to receive.
Please refer to the corresponding Feature Book for
operation description on how to make and receive
calls on the analog channel with signaling.
Emergency Call
In case of emergency, you can use this feature to ask
for help from your companion or the control center.
The Emergency Call has the highest priority which
can terminate the ongoing calls with lower priorities
on the current channel. You can make an emergency
call even when your radio is transmitting or receiving.
This feature needs to be configured and enabled by
your dealer. Please refer to the corresponding Feature
Book for details.
Message Services
This feature allows you to edit and send a new
message, to directly send a quick text message and
to forward the messages in the Inbox, Outbox and
Drafts.
Message
1. Go to “Menu -> Message -> New Message” to enter
the relevant screen.
2. Type the text and then press the OK key. Save it to
Drafts, or send it to a private call contact or a group
call contact.
3. Select the contact or input the contact number
manually.
4. Press the OK key to send the message. When the
message is sent successfully, the radio will display
the prompt “Send Success!”.
Quick Text
Quick Text are frequently used messages preset by
your dealer. You can choose to edit and send any
entry.
Inbox
The radio saves the received messages into the Inbox
and marks every message with a corresponding icon
to indicate its status.

8
: Read message
: Unread message
When the Inbox is full, the radio will display the icon
, and the earliest message will be overwritten by
the latest one automatically.
Outbox
The radio saves the sent messages into the Outbox
and marks every message with a corresponding icon
to indicate its status.
: The message is sent successfully
: The message is not sent successfully. In this
case, you can resend it.
When the Outbox is full, the earliest message will be
overwritten by the latest one automatically.
Drafts
The radio saves the edited messages into the Drafts.
When the Drafts is full, the earliest message will be
overwritten by the latest one automatically. After
the message in the Drafts is sent successfully, it will
be removed from the Drafts and be saved into the
Outbox. If not sent successfully, the message will be
saved into the Drafts and the Outbox.
Troubleshooting
Phenomena Analysis Solution
The radio fails to
power on.
The battery may be improperly installed. Remove the battery and then reattach it.
The battery power may be used up. Recharge or replace the battery.
The battery may be poorly connected due to
dirtied or damaged battery contacts.
Clean the battery contacts. If the problem cannot
be solved, contact your dealer or authorized
service center for inspection and repair.
During receiving,
the voice is weak,
discontinuous or
totally inactive.
The battery voltage may be low. Recharge or replace the battery.
The volume level may be low. Increase the volume by rotating the Volume
Control Knob.
The antenna may be loosened or improperly
installed. Reattach the antenna after turning off the radio.
The speaker may be blocked or damaged.
Clean the surface of the speaker. If the problem
cannot be solved, contact your dealer or
authorized service center for inspection and
repair.
You cannot
communicate
with other
members.
The frequency or signaling may not match that
of other members.
Set your TX/RX frequency and signaling to the
same as that of other members.
The channel type (digital/analog) may be set
inconsistently.
Make sure all members are on the same digital/
analog channel.
You may be too far away from the group
members. Move towards other members.
Irrelevant
communication
or noise is heard
on the channel.
You may be interrupted by radios using the
same frequency.
Change the frequency, or adjust the squelch
level.
The radio may be set with no signaling. Set signaling for all member radios to avoid
interference at the same frequency.
The noise is too
loud.
You may be too far away from other members. Move towards other members.
You may locate in an unfavorable position.
For example, your communication may be
blocked by high buildings or frustrated in the
underground areas.
Move to an open and flat area, and restart the
radio to try again.
You may suffer from external disturbance (such
as electromagnetic interference).
Stay away from equipment that may cause
interference.
GPS positioning
fails.
GPS signals may not be received due to
unfavorable position. Move to an open and flat area to try again.
You cannot use
the keys. The keypad may fail to function temporarily. Restart the radio.
The LCD does
not display any
information.
The LCD may fail to function temporarily. Restart the radio.
If the above solutions cannot fix your problems, or you may have some other queries, please contact us or your
local dealer for more technical support.

9
Care and Cleaning
To guarantee optimal performance as well as a long
service life of the product, please follow the tips below.
Product Care
●Do not pierce or scrape the product.
●Keep the product far away from corrosive
environments.
●Do not hold the product by its antenna or earpiece
cable directly.
●Attach the accessory connector cover when the
accessory is not in use.
Product Cleaning
Caution: Turn off the product and remove
the battery before cleaning.
●Clean up the dust and fine particles on the product
surface and charging piece with a clean and dry lint-
free cloth or a brush regularly.
●Use neutral cleanser and a non-woven fabric to
clean the keys, control knobs and front case after
long-time use. Do not use chemical preparations
such as stain removers, alcohol, sprays or oil
preparations, so as to avoid surface case damage.
●Make sure the product is completely dry before use.
Optional Accessories
The following items are the main optional accessories for the radio. For more information of other accessories,
please consult your local dealer.
Caution: Use the accessories specified by the Company only. If not, the Company shall not be liable
for any loss or damage arising out of use of unauthorized accessories.
Accessory Type Model/Name
Power Supply
●CH10A06 Dual Pocket MCU Charger Kit (for Li-ion/Ni-MH Batteries)
●MCA05 Battery Optimizing System
●MCA06 MCU Multi-unit Rapid-rate Charger
●MCA08 MCU Multi-unit Charger(for Thick Battery)
Audio
●EHN16：Detachable C-Earset
●EHN17：Detachable and swivel Earset
●EAN23：Detachable Earpiece with Transparent Acoustic Tube
●ESN12：Detachable Earbud
●SM18N2：Waterproof remote speaker microphone(IP67)
●EAN17：3-wire Surveillance Earpiece with Transparent Acoustic Tube(Beige)
●EAN18：3-wire Surveillance Earpiece with Transparent Acoustic Tube(Black)
●ES-01：Receive －Only Earbud
●ES-02：Receive-Only Earpiece with Transparent Acoustic Tube
●EH-01：Receive －Only C Style Earloop
●EH-02：Receive －Only Ajustable Earhook with Swivel Speaker
●ACN-01：PTT&MIC cable(for use with Receive-Only Earpiece)
Others ●LCY006 Carrying Case (Thick Battery)(Leather)(Swivel)
●POA38 Li-ion/Ni-MH Battery Adapter for PD78X Series

OWNER’S MANUAL
INTRINSICALLY SAFE DIGITAL PORTABLE RADIO
2014
L07157 Z07639 C10524
811PD78002200