Hytera MD78X User manual

Preface
Thank you for purchasing Hytera Digital Mobile Radio. As a product built to the
standard, It is endowed with ergonomic design, all-round digital functions and
remarkable quality to increase your management efficiency 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.
The manual is applicable to the following model:
MD78X
MD78XG

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 key and remain holding it down for a
predened period (2 seconds by default).
Hold down: to press a key and remain holding it down.
Private Call
Private Cal 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.
Copyright Information
Hytera is the trademark or registered trademark 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, modied, distributed, decompiled, or reverse-engineered
in any manner without the prior written consent of Hytera.
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
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 specications and designs are subject to change without prior
notice due to continuous technology development. No part of this
manual may be copied, modied, 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.com.
RF Radiation Information
RF Radiation Prole
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 elds. 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 no
more than 50% of the time and always adhere to the following
procedures:
(1) Gain of antenna must not exceed 5dBi (UHF) and 3.5 dBi
(VHF).
(2) Antenna Installation: install the mobile antenna at least 1 meter
away from your body, in accordance with the requirements of
the antenna manufacturer/supplier.
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.

1
Contents
Checking Items in the Package ----------------------------- 2
Product Overview ----------------------------------------------- 3
Front Panel ------------------------------------------------------------ 3
Rear Panel ------------------------------------------------------------ 3
Programmable Keys------------------------------------------------- 4
Installation -------------------------------------------------------- 5
Instructions ------------------------------------------------------------ 5
Installation Tools ----------------------------------------------------- 5
Installation Steps ----------------------------------------------------- 5
Status Indication------------------------------------------------- 7
LCD Icon --------------------------------------------------------------- 7
LED Indicator --------------------------------------------------------- 8
Basic Operations ------------------------------------------------ 9
Turning the Radio On/Off ------------------------------------------ 9
Adjusting the Volume------------------------------------------------ 9
Selecting a Zone ----------------------------------------------------- 9
Selecting a Channel ------------------------------------------------ 9
Switching the Channel Mode ------------------------------------ 9
Call ----------------------------------------------------------------10
Private Call ---------------------------------------------------- 10
Group Call ------------------------------------------------------ 10
All Call ------------------------------------------------------------11
Calls on Analog Channels ---------------------------------11
Menu Navigation------------------------------------------------12
Contact --------------------------------------------------------------- 12
Message -------------------------------------------------------- 13
Call Logs -------------------------------------------------------- 14
Scan ------------------------------------------------------------------- 14
Zone ------------------------------------------------------------------- 15
Settings -------------------------------------------------------------- 15
Accessories---------------------------------------------------------- 17
Functions and Operations------------------------------------18
Home Screen-------------------------------------------------------- 18
Scan ------------------------------------------------------------------- 18
Public Address ----------------------------------------------------- 18
Talk Around --------------------------------------------------------- 19
Monitor ---------------------------------------------------------- 19
Squelch Off ---------------------------------------------------- 19
Emergency----------------------------------------------------------- 19
Ignition Sense------------------------------------------------------- 23
Scrambler /Encrypt ------------------------------------- 23
Busy Channel Lockout-------------------------------------------- 24
Time-out Timer (TOT) -------------------------------------------- 24
Pseudo Trunking ---------------------------------------------- 24
MIC AGC ------------------------------------------------------------- 24
Emergency Footswitch ------------------------------------------- 24
Channel Steering -------------------------------------------------- 25
Radio Registration Service -------------------------------- 25
GPS Revert ---------------------------------------------------- 25
Lone Worker --------------------------------------------------------- 25
Signaling Introduction ----------------------------------------26
HDC1200 ------------------------------------------------------------- 26
5 -Tone ---------------------------------------------------------------- 26
Troubleshooting-------------------------------------------------28
Care and Cleaning ---------------------------------------------30
Optional Accessories------------------------------------------31
Appendix----------------------------------------------------------32
Input Method -------------------------------------------------------- 32

2
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.
Note: To realize functions enabled by inputting, please purchase a palm microphone with keypad. Go to Optional
Accessories for more details.
Mounting Bracket Kit GPS Antenna Owner’s Manual /Quick Reference Guide/Safety
Information Booklet
Radio Unit Palm Microphone Microphone Hanger and Screws Power Cord Fuse
Quick Reference Guide

3
Product Overview
Front Panel
No. Part Name No. Part Name
1Volume Control / Channel
Selector Knob 2LED Indicator
3LCD Display 4 OK/Menu Key
5Back Key 6 Power On/Off
Key
7 Up Key 8 Down Key
9Speaker 10 Programmable
Keys
11 Microphone Jack 12 Microphone
Installation Index
Rear Panel
No. Part Name No. Part Name
1RF Antenna
Connector 2Power Inlet
3Accessory Jack 4GPS Antenna
Connector
Note: The GPS Antenna Connector is only
available for MD78XG.

4
Programmable Keys
For enhanced convenience, you may request your dealer to
program the keys P1, P2, P3, P4, , and as
shortcuts to the functions listed below:
No. Shortcut Keys Description
1 Zone Up To select a desired zone quickly
2Zone Down
3Contact List To access the menu “Contact
List” quickly
4Message
To access the menu “Message”
quickly
5Call Log
To access the menu “Call Logs”
quickly
6 Adjust Power Level To adjust power level quickly
7Public Address To make public address via the
external speaker quickly
8 Talk Around To directly communicate with
other radios
9Monitor To adjust the condition for
incoming signal match
10 Monitor Momentary
11 Squelch Off To always unmute 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
18 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
19 Lone Worker To protect the operators from
accidents
20 Smart Call 1-5
To send voice-free signaling
(dedicated for 5-Tone)
21 Status
To access the menu “Status List”
quickly (dedicated for 5-Tone)
Note:
1 Long and short press of a key can be assigned
with different functions by your dealer.
2 is programmed as the Emergency key by
default, and is programmable by your dealer.
Product Overview

5
Installation
Before you install the radio in a vehicle, be sure to read the
following instructions carefully:
Instructions
●The radio operates with cathode-grounded power supply of
13.6V ± 15% only. Please check polarity and voltage of the
power supply on the vehicle before you install the radio.
●Please check how long the screws will extend from the
bottom surface of the radio, before you install the radio. Drill
the mounting hole cautiously to avoid damage to the vehicle
wiring and other parts.
●Please connect Hytera supplied antenna and power cord
to the radio, before you install it in the bracket. And make
sure the antenna and power cord is dedicated for Hytera
digital radios.
●Install the radio with Hytera supplied mounting bracket, to
avoid radio looseness in case of accidents. The loose radio
may cause bodily injury.
●Install the radio in a location where it’s easy to reach the front
panel controls.
● Please make sure there’s sufcient space at back of the radio
for wiring.
●When the fuse for DC power cord needs replacement, it must
be replaced by a fuse with the same specication.
Installation Tools
●Electric drill
●Cross head screwdriver
● Hex socket sleeve (used for 4.8*20mm self-tapping screws)
Installation Steps
1. Install the bracket in a location where it’s easy to operate the
radio.
2. Connect accessories such as antenna and power cord to
the radio.
3. Slide the radio into the mounting bracket and secure it using
the locking knobs.
4. Install the microphone hanger in a location where it can be
reached easily.
5. Plug the palm microphone into the microphone jack on the
front panel (but at rst align the triangle index on the palm
microphone with the microphone installation index), and place
it on the hanger when you do not use it.

6
Installation
No. Part Name No. Part Name
1 Radio Unit 2Locking Knobs
3Mounting Bracket 4 4.8×20mm Self-tapping
Screws
5Palm Microphone 64 × 16mm Self-tapping
Screws
7Microphone Hanger 8 Power Inlet
9 Black Power Cord 10 Red Power Cord
11 Fuse 12 RF Antenna Connector
13 GPS Antenna

7
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
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
Knob
Operation
Mode Icon
The knob currently
operates in channel
selection mode
The knob currently
operates in volume
adjustment mode
GPS Icon
The GPS feature is
active, and valid GPS
data 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 MD78XG
only.

8
Operation Mode Icon
Icon Name Icon Operation Mode
Operation
Mode Icon
DM
Direct Mode: Under this mode,
radios communicate with each
other directly
RM
Repeater Mode: Under this
mode, radios communicate with
each other via a repeater
LED Indicator
The LED indicator will help you easily identify the current radio
status.
LED Indicator Radio Status
LED ashes green. Powering on
LED glows red. Transmitting
LED glows green. Receiving
LED ashes green slowly. Scanning
LED ashes orange rapidly. Emergency
LED glows orange. Call ended (within the preset
time period)
Status Indication

9
Basic Operations
Turning the Radio On/Off
To turn the radio on, long press the Power On/Off key until the
radio shows power-up screen and sounds power-up alert, and
the LED flashes green. To turn the radio off, press the Power
On/Off key.
Adjusting the Volume
When the Volume Control / Channel Selector knob operates
in volume adjustment mode (the radio displays the icon ),
rotate the 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.
Note: You dealer may designate the power-up
zone and channel. If not, the radio will
enter the zone and channel last used.
Selecting a Channel
Press the Volume Control / Channel Selector knob to switch it
to channel selection mode (the radio displays the icon ), and
then rotate the knob to select your desired channel. Alias of the
current channel will appear in the home screen.
Note: The knob is in volume adjustment mode
by default, and will return to this mode in 5
seconds after you select a 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 Volume Control / Channel
Selector knob.

10
Call
To ensure optimal volume of the receiving radio, hold the palm
microphone 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.
●Transmitting a call to the preset contact
In the home screen, hold down the PTT key on the palm
microphone 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.
●Transmitting 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.
●Transmitting a call through Manual Dial
1. Go to “Contact -> Manual Dial”.
2. Input a Private Call number you want to call using the
microphone with a keypad.
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 .
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.
●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.
●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.

11
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 an All 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 key and
speak into the microphone. To receive, release the PTT key.
Call

12
Menu Navigation
This radio supports menu reset function, that is, if you do not
operate the menu for a predefined time period, the radio will
automatically return to the home screen.
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.
Ctrl Services
You can send to a Private Call contact the following commands:
alert call, radio check, remote monitor, radio enable or radio
disable. See the “Manual Dial” below for details.
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 there is only one entry
left in the list. In addition, the Private Call contact preset on the
currently used channel cannot be deleted.
New Contact
You can add a Private Call contact to the contact list. The number
and alias of each contact must be unique, and the available
number range is 1-16776415.
Manual Dial
You can manually input the Private Call number for calling (not
available for 5-Tone signalling) and operation below:
Alert Call
You can send an alert call to a Private Call contact. The called
party will see the alert and call you back.
Rad Check
You can send a Radio Check command, bringing no disturbance,

13
to a Private Call contact and conrm whether it is powered on or
running on your current channel.
R. Monitor
You can enable the microphone of a remote Private Call contact,
and monitor its activities or backg round voices.
Rad Enable
You can enable the radio of a Private Call contact and allow it
into normal use.
Rad Disable
You can disable the radio of a Private Call contact and stop it
from normal use.
Message
To access this item, press the Menu key in the home screen and
then select “Message”, or press the shortcut key for Message
directly.
New Msg
You can create new text message (256 characters at most) and
send it to an individual user or to a talk group.
Quick Text
Under this option there are some text messages (10 entries at
most) preset by your dealer. You can choose to edit and send any
entry.
InBox
The InBox can save up to 20 received messages. When the
InBox is full, the icon will appear, and the earliest message
will be overwritten by the latest one automatically.
For each message, you can choose to perform any of these
operations: Reply, Forward, View Details and Delete.
To delete all messages in the InBox, select “Message -> InBox ->
Delete All”.
OutBox
The OutBox can save up to 20 sent messages. When the OutBox
is full, the earliest message will be overwritten by the latest one
automatically.
For each message, you can choose to perform any of these
operations: Resend, Forward, View Details and Delete.
To delete all messages in the OutBox, select “Message ->
OutBox -> Delete All”.
Drafts
The Drafts can save up to 20 draft messages. When the Drafts
is full, the earliest message will be overwritten by the latest one
automatically.
Menu Navigation

14
For each message, you can choose to perform any of these
operations: Send, Save and Delete.
To delete all messages in the Drafts, select “Message -> Drafts
-> Delete All”.
Call Logs
To access this item, press the Menu key in the home screen and
then select “Call Logs”, or press the shortcut key for Call Logs
directly.
This radio can save up to 10 private call entries in the Outgoing/
Incoming/Missed list respectively. When the Outgoing/Incoming/
Missed list is full, the earliest entry will be overwritten by latest
one automatically.
After accessing a list and selecting an entry, you can perform
any of these operations: hold down the PTT key to initiate a call;
add it to Contact List; or delete it.
To delete all entries in the Outgoing/Incoming/Missed list at a
time, select “Call Logs -> Outgoing/Incoming/Missed -> Delete
All”.
Scan
To access this item, press the Menu key in the home screen and
then select “Scan”.
Scan On/Off
The Scan feature allows you to listen to communication activities
on other channels so that you can keep a close track of your
team members. This option is used to enable or disable the
function.
Scan List
You can request your dealer to create a scan list for each
channel. Each list may contain 32 channels at most (either digital
channel or analog channel is OK). After accessing the list, you
can perform any of the following operations:
Adding a Channel
To include a new channel into the active scan list.
Editing Priority Channel
To set the selected channel as a non-priority or as a priority
channel. If you are interested in activities on a channel, you can
set it as a priority channel, which will be scanned more frequently
than a non-priority channel.
Each scan list may contain two priority channels at most.
Menu Navigation

15
indicates priority channel 1, and indicates priority channel 2.
Deleting a Channel
To remove a channel from the active scan list. However, the rst
channel in the list can not be deleted.
Zone
To access this item, press the Menu key in the home screen and
then select “Zone”.
This radio supports up to 64 zones. You can use this menu to
select your desired zone.
Settings
To access this item, press the Menu key in the home screen and
then select “Settings”.
Radio Set
You can optimize your radio performance by customizing related
parameters according to actual needs and your preferences.
Power Level
This option allows you to set TX power level. Alternatively, you
can change the power level by pressing the shortcut key for
Adjust Power Level in the home screen.
There are two levels available: High (indicated by ) and Low
(indicated by ). High power level enables you to communicate
with farther team members.
Note: Power level should be set for each channel
individually.
Squelch
This option allows you to select an appropriate squelch level.
Alternatively, you can change the squelch level by pressing
the shortcut key for Adjust Squelch Level in the home screen.
There are three levels available: Tight, Normal and Open. The
default squelch level is “Normal”, and is often used in low noise
environment.
And generally, “Tight” is used in high noise environment. It
requires stronger signal for the radio to unmute. However, if
the squelch level is set to Open, the speaker will keep unmuted
irrespective of the decoding conditions.
Menu Navigation

16
Scrambler
To set whether to enable the Scrambler/Encrypt feature.
Encrypt
To set whether to enable the Encrypt feature.
On/Off
To set whether to enable the Encrypt feature.
Key List
To select your desired encrypt key. The radio supports thirty keys
in all.
New Key
To create a new key.
Key ID
You can create a new key ID, which consists of numbers only, in
the range of 1-255.
Key Alias
You can create an alias for this new key. The alias can contain
sixteen characters at most, composed of Chinese characters,
English letters, numbers and symbols.
Note: The key alias cannot be the same with key
ID.
Key Length
You can edit the length of this new key.
Key Value
You can edit the key value, which can consist of numbers and
letters A-F (within the predened key length).
Save
You can save and add the new key to the key list.
Note: If you need to delete a key, please request
your dealer to help.
Language
To set the language in which all interface information is displayed.
Backlight
To set the backlight parameters. There are three options
available: On, Off and Timer. The timer is programmed by your
dealer, with an available duration of 5-60 seconds.
Brightness
To set the display brightness. You can raise or lower it using the
Up/Down key.
LED
To set whether to enable LED indication.
Tone
To set alert tones for your radio. You can set the following tones:
Radio Silent: to set whether the radio will give tone indication. If
Silent On is selected, all tone indication will be cancelled.
Talk Permit: to set whether the radio will give tone indication for
Menu Navigation