Hytera PD785 User manual

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Preface
Thank you for purchasing Hytera DMR Digital Portable Radio.As a product built to the DMR standard, it is
endowed with ergonomic design, all-round digital functions and remarkable quality to refresh your
experience and enable you to be responsive to emergent situations.
To derive optimum performance from your product, please read this manual and the supplied Safety
Information Booklet carefully before use.
This manual is applicable to the following model:
PD78X
PD78XG

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Instructional Icons
The following icons are available through this manual:
Alert Icons
Caution: indicates situations that could cause damage to your product.
Note: indicates tips that can help you make better use of your product.
Function Icons
: indicates functions that are available on digital channel only.
: indicates functions that are available on analog channel only.
Functions marked with no function icons are available on both analog and digital channels.
Term Explanation
Key Operation
Short press: to press a key and release it quickly.
Long press: to press a keyand remain holding it down for a predefined period (2 seconds by default).
Hold down: to press a key and remain holding it down.
Private Call
Private Call is a call initiated by a single user to another user.
Group Call
Group Call is a call initiated by a single user to a group.
All Call
All Call is a call initiated by a single user to all the other users on a channel.
Squelch
This technology can remove excessive background noises, improving your communication quality.
PTT ID
PTT ID, namely radio identity, allows a radio with display or the control center to identify the calling
party.

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Copyright Information
Hytera and HYT are trademarks or registered trademarks of Hytera Communications Co., Ltd. (“Hytera”)
in PRC and/or other countries or areas. Hytera retains the ownership of its trademarks and product
names. All other trademarks and/or product names that may be used in this manual are properties of their
respective owners.
The Hytera product described in this manual may include Hytera computer programs stored in memory or
other media. Laws in PRC and/or other countries or areas protect the exclusive rights of Hytera with
respect to its computer programs. The purchase of this product shall not be deemed to grant, either
directly or by implication, any rights to the purchaser with respect to Hytera computer programs.Any
Hytera computer programs may not be copied, modified, distributed, decompiled, or reverse-engineered
in any manner without the prior written consent of Hytera.
TheAMBE+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 product. The user of this technology is
explicitly prohibited from attempting to 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. #6,912,495 B2, #6,199,037 B1, #5,870,405, #5,826,222, #5,754,974, #5,701,390,
#5,715,365, #5,649,050, #5,630,011, #5,581,656, #5,517,511, #5,491,772, #5,247,579, #5,226,084 and
#5,195,166.
Disclaimer
Hytera 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 prior 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 Hytera.
If you have any suggestions or would like to learn more details, please visit our website at:
http://www.hytera.cn.

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RF Radiation Information
RF Radiation Profile
Radio Frequency (RF) is a frequency of 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:
¾United States Federal Communications Commission, Code of Federal Regulations; 47CFR part 2
sub-part J;
¾American National Standards Institute (ANSI)/Institute of Electrical and Electronic Engineers (IEEE)
C95. 1-1992;
¾Institute of Electrical and Electronic Engineers (IEEE) C95. 1 – 1999;
¾International 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.
As a conscientious company centering on users, Hytera strictly complies with the foregoing requirements
from design, production and test.
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.

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Contents
Checking Items in the Package ...................................................................................................................6
Product Overview.........................................................................................................................................7
Product Controls....................................................................................................................................7
Programmable Keys..............................................................................................................................8
Before Use..................................................................................................................................................10
Charging the Battery............................................................................................................................10
Assembling the Accessories................................................................................................................11
Status Indication.........................................................................................................................................13
LCD Icon..............................................................................................................................................13
LED Indicator.......................................................................................................................................14
Basic Operations........................................................................................................................................15
Turning the Radio On/Off.....................................................................................................................15
Adjusting the Volume...........................................................................................................................15
Selecting a Zone..................................................................................................................................15
Selecting a Channel ............................................................................................................................15
Switching the Channel Mode...............................................................................................................15
Locking/Unlocking the Keypad............................................................................................................16
Call .............................................................................................................................................................17
Private Call ...............................................................................................................................17
Group Call .................................................................................................................................18
All Call .......................................................................................................................................18
Calls on Analog Channels ........................................................................................................18
Menu Navigation ........................................................................................................................................19
Contact ......................................................................................................................................19
Message ...................................................................................................................................20
Call Logs ...................................................................................................................................21
Scan.....................................................................................................................................................21
Zone.....................................................................................................................................................22
Settings................................................................................................................................................23
Accessories .........................................................................................................................................25
批注 [微软用户1]: 位置放置同
RD980 说明书

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Functions and Operations..........................................................................................................................26
Home Screen.......................................................................................................................................26
Scan.....................................................................................................................................................26
Talk Around..........................................................................................................................................27
Monitor .......................................................................................................................................27
Squelch Off ..............................................................................................................................27
Emergency...........................................................................................................................................28
Battery Power Indicator.......................................................................................................................32
Man Down (optional) ...........................................................................................................................32
Scrambler /Encrypt .............................................................................................................32
Busy Channel Lockout.........................................................................................................................33
Time-out Timer (TOT)..........................................................................................................................33
Pseudo Trunking .......................................................................................................................33
MIC AGC..............................................................................................................................................34
Signaling Introduction.................................................................................................................................34
HDC1200.............................................................................................................................................34
Troubleshooting..........................................................................................................................................35
Care and Cleaning .....................................................................................................................................37
Optional Accessories..................................................................................................................................38
Appendix.....................................................................................................................................................39
Input Method........................................................................................................................................39

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Checking 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.
Battery Charger PowerAdapter
Antenna BeltClip Strap
Owner’s Manual/ Safety Information Booklet/ Quick Reference Guide Radio Unit
Note: The antenna may vary with different frequency bands. And the frequency band is marked on
the label of antenna; if not, please refer to the label on the radio unit for frequency band information.

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Product Overview
Product Controls
No. Part Name No. Part Name
○
1 SK1 (Side Key 1) ○
11 LED Indicator
○
2 PTT Key ○
12 Antenna
○
3 SK2 (Side Key 2) ○
13 Radio On-Off/Volume
Control Knob
○
4 TK (Top Key) ○
14 Accessory Jack
○
5 Channel 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

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○
10 Numeric Keypad ○ 20 Battery
Programmable Keys
For enhanced convenience, you may request your dealer to program the keys SK1, SK2, TK, and
as shortcuts to the functions listed below:
No. Shortcut Keys Description
1 Zone Up To select a desired zone quickly
2 Zone Down
3 Keypad Lock To lock or unlock the keypad quickly
4 Contact List To access the menu “Contact List” quickly
5 Message To access the menu “Message” quickly
6 Call Log To access the menu “Call Logs” quickly
7 Adjust Power Level To adjust power level quickly
8 Talk Around To directly communicate with other radios
9 Monitor To adjust the condition for incoming signal
match
10 Monitor Momentary
11 Squelch Off To always unmute the speaker no matter
whether carrier is present or not
12 Squelch Off Momentary
13 Home Screen To quickly return to the previous menu or
home screen
14 Scan To receive signals on other channels
15 Nuisance Temporary Delete To temporarily ignore unwanted channel
activity
16 Emergency To summon help in emergent situations
17 Adjust Squelch Level To temporarily adjust the squelch threshold
required for the radio to unmute

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18 Battery Power Indicator To indicate the battery strength
19 Man Down To activate Emergency in the case that the
radio is positioned aslant for a preset time
period due to an unexpected situation
20 Scrambler /Encrypt Scrambler: To encrypt your voice so as to
guarantee privacy of your communication
Encrypt: To encrypt your voice and message
so as to guarantee privacy of your
communication
Note:
(1) Long and short press of a key can be assigned with different functions by your dealer.
(2) The TK is programmed as the Emergency key by default, and is programmable by your dealer.

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Before Use
Charging the Battery
Use only the charger and battery specified by Hytera. Charger LED can indicate the charging process.
Charge Diagram
Procedures
1. Connect the power adapter toAC source. See arrow ①.
2. Plug the power adapter into the rear socket of the charger. See arrow ②.
3. Place the radio with the battery attached, or the battery alone, into the charger.
4. The charging process initiates when LED glows red, and is completed when LED glows green.
Note: To achieve optimal battery performance, please charge the battery for 5 hours before initial
use.
Charge Indicator
LED Indicator Charge Status
Red LED flashes slowly. Standby (no load)
Red LED glows. Charging
Orange LED glows. 90% charged
Green LED glows. Fully charged

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Red LED flashes rapidly. Failure
Caution: Be sure to read the Safety Information Booklet, to get necessary safety information.
Assembling the Accessories
Attaching the Antenna
Turn the antenna clockwise to fasten it.
To remove the antenna, rotate it counter-clockwise.
Attaching the Battery
1. Insert the battery into top of the radio. See arrow ○ 1.
2. Slightly press the bottom of the battery until a click is heard. See arrow ○
2.
To remove the battery, turn off the radio first. Then slide the battery latch upwards to unlock the battery.
Attaching the Belt Clip
1. Remove the screws.
2. Align the screw holes on the belt clip with those on the radio’s body, and then tighten the screws.

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To remove the belt clip, loosen the screws.
Attaching the Audio Accessory/Programming Cable
1. Open the accessory jack cover as the arrow shown.
2. Align the plug with the accessory jack.
3. Tighten the screw on the plug.
To remove accessories, loosen the screw.
Caution: When you are using an external accessory, waterproof performance of the radio mayget
affected.

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Status Indication
LCD Icon
Status Icon
Icon Name Icon Radio Status
RSSI No signal
More bars indicate better signal strength
Message Icon New message/unread message
InBox is full
Scan Icon
Scanning is in progress
Scanning pauses on a non-priority channel
Scanning pauses on Priority Channel 1
Scanning pauses on Priority Channel 2
TX Power Icon Low TX power for the current channel
High TX power for the current channel
Battery Strength
Icon More bars indicate more battery power
Monitor Icon The Monitor feature is active
Speaker Icon The speaker is unmuted
Emergency Icon
The Emergency mode (other than secret
emergency) is active or an emergency
message is received
Accessory Icon An accessory is connected
GPS Icon The GPS feature is active, and valid GPS data

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is received
The GPS feature is active, but no valid GPS
data is received
Scrambler/Encrypt
Icon The Scrambler/Encrypt feature is active
Note: The description related to the GPS feature in this manual is applicable to PD78XG only.
Operation Mode Icon
Icon Name Icon Operation Mode
Operation Mode
Icon
Direct Mode: Under this mode, radios
communicate with each other directly
Repeater Mode: Under this mode, radios
communicate with each other via a repeater
LED Indicator
The top LED indicator will help you easily identify the current radio status.
LED Indicator Radio Status
LED flashes green. Powering on
LED glows red. Transmitting
LED glows green. Receiving
LED flashes orange
slowly. Scanning
LED flashes orange
rapidly. Emergency
LED glows orange. Call ended (within the preset time period)

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Basic Operations
Turning the Radio On/Off
Rotate the Radio On-Off/Volume Control knob clockwise/counter-clockwise until a click is heard to turn
the radio on/off.
Adjusting the Volume
After turning the radio on, rotate the Radio On-Off/Volume Control knob clockwise to increase the call
volume, or counter-clockwise to decrease it.
Selecting a Zone
A zone is a group of channels exhibiting the same property, and is programmed by your dealer. The radio
supports up to 64 zones, each with a maximum of 16 channels. You may select a zone through any of the
following methods:
1. Through menu selection
Go to the menu “Zone”, and use the Up/Down key to select your desired zone.
2. Through the function keys
You may quickly toggle to your desired zone by pressing the programmed Zone Up or Zone Down key.
Selecting a Channel
Rotate the Channel Selector knob to select a desired channel.
Switching the Channel Mode
Each channel can be programmed as either analog channel or digital channel. If the current zone
includes both analog and digital channels, you may quickly switch between digital and analog channels
through the Channel Selector knob.

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Locking/Unlocking the Keypad
When the keypad is not in use, you can lock the keypad to prevent accidental keypad operation. The
following methods are available for you to lock or unlock the keypad:
1. Through key combination
Use “OK+” to lock or unlock the keypad.
2. Through the function key
Press the programmed Keypad Lock key to lock or unlock the keypad.
3. Through menu selection
Go to “Settings -> Radio Set -> Keypad Lock”, and then select “Enable” or “Disable”.
Enable: The keypad will be locked automatically if no operation is made within the preset time period.
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: When the feature “Keypad Auto Lock” is enabled, the keypad will be locked automatically if
no operation is made within the preset time period. You can use the “Disable" option in the menu “Keypad
Lock” to deactivate the feature “Keypad Auto Lock”.

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Call
To ensure an optimal volume of the receiving radio, hold the radio approximately 2.5 to 5 centimeters
away from your mouth.
Private Call
Transmitting a Private Call
You may transmit a Private Call through any of the following methods. When transmitting a Private Call,
the icon will appear.
zTransmitting a call to the preset contact
In the home screen, hold down the PTT key to transmit a Private Call to the Private Call contact preset for
the current channel.
Note: Your dealer may preset a contact for each digital channel. The preset contact could be a
Private Call contact, a Group Call contact or an All Call contact.
zTransmitting a call through Contact List or Call Logs
1) Go to “Contact -> Contact List”, or go to “Call Logs” and access the Outgoing/Incoming/Missed list.
2) Use the Up/Down key to select the Private Call contact you want to call.
3) Hold down the PTT key to transmit the Private Call.
zTransmitting a call through Manual Dial
1) Go to “Contact -> Manual Dial”.
2) Input a Private Call number you want to call.
3) Hold down the PTT key to transmit the Private Call.
Receiving and Responding to a Private Call
When a Private Call is received, your radio will display the icon .
You may hold down the PTT key within the preset time period to call back. If you do not respond to a
received Private Call, your radio will display the missed call icon .

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Group Call
Transmitting a Group Call
You may transmit a Group Call through any of the following methods. When transmitting a Group Call, the
icon will appear.
1. Transmitting a call to the preset contact
In the home screen, hold down the PTT key to transmit a Group Call to the Group Call contact preset for
the current channel.
2. Transmitting a call through Contact List
（1） Go to “Contact -> Contact List”.
（2） Use the Up/Down key to select the Group Call contact you want to call.
（3） Hold down the PTT key to transmit the Group Call.
Receiving and Responding to a Group Call
When a Group Call is received, your radio will display the icon .
You may hold down the PTT key within the preset time period to call back.
All Call
Transmitting an All Call
Methods are the same as those in Transmitting a Group Call. When transmitting an All Call, the icon
will appear.
Note: You can transmit an All Call only when it is enabled by your dealer.
Receiving an All Call
When anAll Call is received, your radio will display the icon .
Note: You cannot respond to an All Call.
Calls on Analog Channels
To transmit on an analog channel, hold down the PTT and speak into the microphone. To receive, release
the PTT key.

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Menu Navigation
Main Menu
Contact
Message
Call Logs
Scan
Zone
Settings
Accessories
Contact
To access this item, press the Menu key in the home screen and then select “Contact”.
Contact List
You can save up to 200 entries in the list. To access this item, select “Contact -> Contact List” or press the
shortcut key for Contact List.
Editing a Contact
You can edit the number and alias of each Private Call contact.
Viewing a Contact
You can view details of each contact.
Deleting a Contact
You can delete a Private Call contact. However, please note that you can not delete the contact when