DIGITAL REPEATER
Preface
Thanks for your favor in our product. To derive optimum performance from the product, please read this
manual and the supplied Safety Information Booklet carefully before use.
This manual is applicable to the following model:
RD98X Digital Repeater (X may represent 2, 5, 6 or 8)
English
Instructional Icons
The following icons are available through this manual:
Caution: indicates situations that could cause
damage to your product.
Note: indicates tips that can help you make
better use of your product.
indicates functions available in later version.
*
Term Explanation
Duplexer
Duplexer is a device that allows bi-directional
communication. Its role is to isolate the TX signal
from the RX signal to ensure that the transmitter and
receiver can work normally.
Feed Line
Feed Line is the cable or transmission line that
connects the antenna with the radio transmitter or
receiver.
Voltage Standing Wave Ratio (VSWR)
VSWR is a value that measures how well a load is
impedance-matched to a source.
Copyright Information
Hytera is the trademark or registered trademark of
Hytera Communications Co., Ltd. (the Company) in PRC
and/or other countries or areas. The Company 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 product described in this manual may include the
Company’s computer programs stored in memory or
other media. Laws in PRC and/or other countries or
areas protect the exclusive rights of the Company 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 regarding the
Company’s computer programs. Any of the Company’s
computer programs may not be copied, modified,
distributed, decompiled, or reverse-engineered in any
manner without the prior written consent of the Company.
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
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.
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 Prole
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 always adhere to the followings:
Gain of antenna must not exceed 6.5dBi.
Antenna Installation: install the antenna at least 3.5
meters away from your body, in accordance with the
requirements of the antenna manufacturer/supplier.
EU Regulatory Conformance
As certied by the qualied laboratory, the product is in
compliance with the essential requirements and other
relevant provisions of the Directive 2014/53/EU. Please
note that the above information is applicable to EU
countries only.
Contents
Checking Items in the Package ---------------------------------------------------- 2
Product Overview ----------------------------------------------------------------------- 2
Front Panel ------------------------------------------------------------------------- 2
Programmable Keys * ------------------------------------------------------------ 2
Rear Panel -------------------------------------------------------------------------- 2
Internal Parts ------------------------------------------------------------------------ 2
Installation Guide ----------------------------------------------------------------------- 3
Installation Requirements ------------------------------------------------------- 3
Before Installation ----------------------------------------------------------------- 3
Installation Steps ------------------------------------------------------------------- 3
After-installation Verication ---------------------------------------------------- 4
Status Indication ------------------------------------------------------------------------ 4
LCD Icon ----------------------------------------------------------------------------- 4
LED Indicator ----------------------------------------------------------------------- 4
Basic Operations ------------------------------------------------------------------------ 5
Turning the Repeater On/Off ---------------------------------------------------- 5
Adjusting the Volume ------------------------------------------------------------- 5
Adjusting the Power Level ------------------------------------------------------- 5
Backlight ----------------------------------------------------------------------------- 5
Locking/Unlocking the Repeater ---------------------------------------------- 5
Changing the Channel ----------------------------------------------------------- 5
Menu Navigation ----------------------------------------------------------------------- 5
Radio Info ---------------------------------------------------------------------------- 5
Channel Info ------------------------------------------------------------------------ 5
Scan ----------------------------------------------------------------------------------- 6
Digital Speaker --------------------------------------------------------------------- 6
Exit ------------------------------------------------------------------------------------ 6
Alarm Information ----------------------------------------------------------------------- 6
Over Temperature Alarm --------------------------------------------------------- 6
Fan Failure Alarm ------------------------------------------------------------------ 7
VSWR Alarm ----------------------------------------------------------------------- 7
Low Forward Power Alarm ------------------------------------------------------ 7
Over/Low Voltage Alarm --------------------------------------------------------- 7
TX/RX Unlock Alarm -------------------------------------------------------------- 8
Troubleshooting
Care and Cleaning ---------------------------------------------------------------------- 9
Optional Accessories ------------------------------------------------------------------ 10
------------------------------------------------------------------------- 8
1
Checking Items in the Package
Product Overview
Rear Panel
Please unpack carefully and check that all items listed
below are received. If any item is missing or damaged,
please contact your dealer.
Repeater
Power Cord Documentation Kit
Front Panel
No. Part Name No. Part Name
1 Accessory Jack 9 Slot 1 RX Indicator
Volume Control Knob
2
/ Power Indicator
Repeat Mode
3
Indicator
4 Analog Mode Indicator 12 LCD Display
5 Slot 2 RX Indicator 13 Channel Up (CH+)
6 Slot 2 TX Indicator 14 Navigation Knob
7 Digital Mode Indicator 15 Channel Down (CH-)
8 Slot 1 TX Indicator 16 Speaker
10 Alarm Indicator
11 Programmable Key *
Programmable Keys *
For enhanced convenience, you can request your dealer
to program the keys P1, P2, P3 and P4 as shortcuts to
appropriate functions.
No. Part Name No. Part Name
1 TX Antenna Interface 6 Accessory Jack
2 Optional Interface 1 7 DC Power Interface
RX/Duplex Antenna
3
Interface
4 Optional Interface 2 9 Ground Screw
Monitor/Tuning
5
Interface
8 Ethernet Port *
/ /
Internal Parts
No. Part Name No. Part Name
1 Baseband Module 4 Exciter Module
2 Front Panel 5 Receiver Module
3 PA Module / /
2
Installation Guide
Proper installation can ensure optimum performance and
reliability of the repeater. Therefore, be sure to read the
following instructions before installation.
Installation Requirements
Installation Environment
The repeater must be installed in a dry and well-
ventilated place with ambient temperature of
-30℃~+60℃ and relative humidity of less than 95%.
Installation Location
The repeater can be installed in a rack, bracket, cabinet
or on a desk.
Installation Tools
Tools required for installing the repeater include a cross
head screwdriver, a torx screwdriver and a spanner.
Note: Please refer to Safety Information
Booklet for more information.
Before Installation
Voltage Check
Please check whether the voltage of DC power or battery
meets the repeater specications.
Product Check
Please check whether the repeater works properly by
observing the 8 LEDs located in the front panel.
Parameter Conguration
When the repeater proves to work normally, configure
appropriate parameters according to your actual
requirements. And then you can proceed with on-site
installation.
Installation Steps
3
Install the repeater as follows:
1. Install the repeater at a proper location;
2. Attach all necessary accessories;
3. Ground the repeater through the Ground Screw
located on the rear panel.
Installing the Duplexer
If the repeater needs to work with a duplexer, you should
implement the following operations before installation.
1. Loosen the three screws on the bracket with a cross
head screwdriver. See the gure below.
2. Install the duplexer onto the bracket.
Be sure to observe the specications of two antenna
connectors on the duplexer, to determine which
one should be connected to the transmitter. The
connector connecting the transmitter should be
close to the PA module to reduce RF loss, as shown
below:
3. Loosen the screw at the back of the top cover, and
then pull the top cover to remove it.
4. Loosen the 6 screws locking the PA heat sink,
remove all power, data and RF cables from the PA,
and nally remove the PA heat sink. See the gure
below.
Power Cord
Data Cable
5. Connect the RF cable. See the gure below.
6. Install the duplexer to the repeater.
After the duplexer is mounted properly, fasten it with
the 2 screws inside the housing and on the side
respectively.
7. Then attach the PA heat sink and connect all cables.
8. Close the repeater cover.
RF Cable
Installation Diagram
Screw
Screw
Duplexer with Front Side Facing Upwards
Screw RF Cable
RF Cable
Screw
Duplexer with Front Side Facing Downwards
After-installation Verication
After installation is completed, power it on and verify
whether it works properly by observing the 8 LEDs
located in the front panel.
Status Indication
LCD Icon
These icons may appear on the LCD to help you easily
identify the repeater status.
Icon Name Icon Repeater Status
RSSI Indicator
*
TX Power
Indicator
Scan Indicator Scan is in progress.
Monitor
Indicator *
Speaker
Indicator
Alarm Indicator
More bars indicate
better signal
strength.
Low TX power for
the current channel.
High TX power for
the current channel.
The Monitor feature
is active.
The speaker is
unmuted.
An alarm message
is given.
Icon Name Icon Repeater Status
Accessory
Indicator *
Scrambler/
Encrypt
Indicator
Operation
Mode Indicator
RM
An accessory is
connected.
The Scrambler/
Encrypt feature is
active.
The repeater is
operating in Repeat
mode.
LED Indicator
LED Indication
Power Indicator glows
green.
Alarm Indicator glows
red.
Repeat Mode Indicator
glows green.
Repeat Mode Indicator
goes out.
Slot 1 TX Indicator glows
red.
Slot 1 RX Indicator glows
green.
Slot 2 TX Indicator glows
red.
Slot 2 RX Indicator glows
green.
Analog Mode Indicator
glows yellow.
Digital Mode Indicator
glows blue.
Part
Repeater Status
No.
2 Normal power-on
10 Abnormal operation
The repeater is
3
operating in Repeat
mode.
The repeater is
3
operating in Base
mode.
The repeater is
transmitting on an
8
analog channel or on
slot 1.
The repeater is
receiving on an
9
analog channel or on
slot 1.
The repeater is
6
transmitting on slot 2.
The repeater is
5
receiving on slot 2.
The repeater is
4
operating in Analog
mode.
The repeater is
7
operating in Digital
mode.
4
Basic Operations
Turning the Repeater On/Off
ON: To power up the repeater, connect a DC power
supply to it. In this case, the repeater shows power-
up screen and the Power Indicator glows green.
OFF: To power off the repeater, disconnect the DC
power supply.
Adjusting the Volume
On an analog channel: Rotate the Volume Control
knob clockwise to increase the volume or counter-
clockwise to decrease it.
On a digital or mixed channel: This knob does not
work.
Adjusting the Power Level
You may request your dealer to set the TX power to High
or Low. High power can extend the coverage, enabling
you to communicate with farther terminals.
There are two levels available: High (indicated by
and Low (indicated by ).
Backlight
Activating the backlight can illuminate the LCD and all
the front panel keys, so as to facilitate your operation
under dim light conditions.
You dealer may set the backlight to operate in any of the
following modes:
Timed: key press, knob operation or signal
reception/transmission can activate the backlight. If
no foregoing event occurs within the specied time
period, the backlight will go out automatically.
Enable: the backlight remains activated all the time.
Note: When an alarm event occurs, the
backlight will remain activated until the
alarm disappears.
Locking/Unlocking the Repeater
You can request your dealer to lock the knob and all
keys in the front panel to prevent accidental operation.
To unlock, the repeater must be re-programmed by your
dealer.
Changing the Channel
You can use the Channel Up or Channel Down key in
the front panel to change the channel cyclically. The alias
of the current channel is displayed on the LCD display.
Menu Navigation
The options under the main menu vary with the channel
type.
Analog Channel
)
Digital or Mixed Channel
Radio Info
Under this menu, you can view product information,
including Radio ID, Radio Alias, Serial Number, Radio
Model, Freq Range, Firmware Ver, RCDB Ver, Bootload
Ver, Program Date and En Lang Ver.
To access this menu:
1. In the home screen, press the Navigation knob to
enter the main menu.
2. Rotate this knob to select the "Radio Info” option.
3. Press this knob again to view details, as shown
below.
In the above interface, you can rotate the Navigation
knob to scroll through related information. To exit and
return to the main menu, press the knob.
Note: If a non-English package is
programmed into your repeater, the “Other
Lang Ver” will appear under this menu.
Channel Info
Under this menu, you can view channel information.
The LCD will display different channel items as per the
channel type.
Channel Type Channel Information
Digital Channel
Analog Channel
CH Alias, TX Frequency, RX
Frequency, Color Code
CH Alias, TX Frequency, RX
Frequency, CH Band, TX CTCSS/
CDCSS, RX CTCSS/CDCSS
5
CH Alias, TX Frequency, RX
Mixed Channel
To access this menu:
1. In the home screen, press the Navigation knob to
enter the main menu.
2. Rotate this knob to select the "Channel Info” option.
3. Press this knob again to view details, as shown
below.
In the above interface, you can rotate the Navigation
knob to scroll through related information. To exit and
return to the main menu, press the knob.
Frequency, CH Band, TX CTCSS/
CDCSS, RX CTCSS/CDCSS, Color
Code
Scan
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. You can request your
dealer to create a scan list for each channel. Each list
may contain 32 channels at most.
To access this menu:
1. In the home screen, press the Navigation knob to
enter the main menu.
2. Rotate this knob to select the "Scan” option.
3. Press this knob again to access the “Scan on/off”
interface.
In the above interface, you can enable or disable the
Scan feature. To exit and return to the main menu, press
the knob.
Note: If the “Scan” option is not checked
in the CPS by your dealer, you can not
enable or disable the Scan feature via this
menu.
Digital Speaker
The Digital Speaker feature allows your repeater to
receive audio from a specific slot, or to mute for the
digital channel.
To access this menu:
1. In the home screen, press the Navigation knob to
enter the main menu.
2. Rotate this knob to select the "Digital Speaker”
option.
3. Press this knob again to access the “Digital Speaker”
interface.
In the above interface, you can select a specic slot to
receive, or mute the speaker for the digital channel. To
exit and return to the main menu, press the knob.
Exit
To exit the main menu:
1. In the main menu, rotate the Navigation knob to
select the "Exit” option.
2. Press this knob to return to the home screen.
Alarm Information
The repeater can automatically detect its operation
status in real time. If the appropriate alarm indication
option is checked in the CPS by your dealer, the LCD will
give you a prompt message, and the Alarm Indicator will
glow red in the case of a corresponding abnormality.
Over Temperature Alarm
When the temperature of the PA module exceeds the
normal range, the Alarm Indicator will glow red and the
LCD will display the prompt message below:
Then the repeater will stop transmitting, and you need to:
1. Check whether the temperature of the heat sink
surface is over 80℃. If yes, proceed with Step 2 and
3 to nd out the cause.
Caution: DO NOT touch the heat sink
surface to avoid burn. You can use a
digital thermometer with thermocouple to
measure the temperature value.
2. Check whether ambient temperature and ventilation
conditions satisfy the foregoing installation
requirements. If not, please make improvements as
soon as possible.
6
3. Check if connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
Poor connection between them could cause high
TX power, which would make the temperature of the
heat sink rise quickly. If yes, secure or replace the
cable or antenna feed line.
4. If the above measures fail to solve the problem,
contact your local dealer for technical support.
When temperature falls into normal range, the prompt
message will disappear, and the Alarm Indicator will go
out.
Fan Failure Alarm
When the fan fails to work, the Alarm Indicator will glow
red and the LCD will display the prompt message below:
Then the repeater will automatically work at low TX
power, to protect the transmitter from overheating. You
need to:
1. Check whether the fan is blocked by a foreign object.
If yes, remove it.
2. If you cannot solve the problem, contact your local
dealer for technical support.
When the fan recovers normal operation, the prompt
message will disappear, and the Alarm Indicator will go
out.
VSWR Alarm
High VSWR (voltage standing wave ratio) of TX antenna
connector could result in damage to the PA, and even
failure of the transmitter. When the VSWR exceeds the
normal range, the Alarm Indicator will glow red and the
7
LCD will display the prompt message below:
Then the repeater will automatically works at low TX
power. You need to:
1. Check if the operating frequency of the repeater
is in line with that of the antenna. Both frequency
mismatch and improper antenna could result in poor
transmitting performance and even damage to the
transmitter. If yes, please contact your local dealer to
replace the antenna or reprogram your product.
2. Check if the connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
If yes, secure or replace the cable or antenna feed
line.
3. If you cannot solve the problem, contact your local
dealer for technical support.
When the VSWR falls within the normal range, the
prompt message will disappear, and the Alarm Indicator
will go out.
Low Forward Power Alarm
When the forward power is below the preset value, the
Alarm Indicator will glow red and the LCD will display the
prompt message below:
Then the repeater may continue transmission or
terminate it, subject to the detection result. You need to:
1. Check if the connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
If yes, secure or replace the cable or antenna feed
line.
2. If you cannot solve the problem, contact your local
dealer for technical support.
When the forward power is recovered to its normal
value, the prompt message will disappear, and the Alarm
Indicator will go out.
Over/Low Voltage Alarm
When power voltage is detected to be over or below the
range (11V-15.6V) of repeater, the Alarm Indicator will
glow red and the LCD will display the prompt message
below:
Low Voltage Alarm Over Voltage Alarm
Then the repeater will automatically stop working. You
need to:
1. Check whether the power voltage is too low or too
high. If yes, replace the DC power supply or external
battery.
2. Check whether the power cord is loose or damaged.
If yes, secure or replace the cord.
3. If you cannot solve the problem, contact your local
dealer for technical support.
When the voltage falls within the normal range, the
prompt message will disappear, and the Alarm Indicator
will go out.
Caution: If low voltage is detected when the
repeater is powered by an external battery,
please charge it in time. Disconnect the battery
from the repeater before charging.
TX/RX Unlock Alarm
When the TX PLL or RX PLL is unlocked, the Alarm
Indicator will glow red and the LCD will display the
prompt message below:
TX Unlock Alarm RX Unlock Alarm
Then the repeater will automatically stop partial
operations. You need to:
1. Disconnect the power supply, open the chassis and
check whether the cabling is right or damaged. If
yes, please secure or replace the cable.
2. If you cannot solve the problem, contact your local
dealer for technical support.
When the PLL recovers normal operation, the prompt
message will disappear, and the Alarm Indicator
will go out.
Caution: Disconnect the power supply
before opening the chassis!
Troubleshooting
Phenomena Analysis Solution
The repeater cannot be
powered on.
Group members cannot talk
to each other, or the repeater
cannot communicate with a
subscriber radio.
Group members cannot talk
to each other, even though
RX indication is given.
Short communication range
or poor audio
If the above solutions can not x your problems, or you may have some other queries, please contact us or your local
dealer for more technical support.
Power cord is not connected or is not
securely connected to the outlet.
Power cord fuse is damaged.
TX/RX frequency of the repeater is
inconsistent with that of portable/mobile
terminals.
Failed to repeat useful signal due to
strong interference signal.
The group member is out of the coverage
of the repeater.
Your ID is inconsistent with that of other
group members.
Inconsistent CTCSS/CDCSS. Re-set CTCSS/CDCSS.
Leakage of signal energy due to damaged
connection cable.
Loose connection between the antenna
connector and the cable, or loss of
connection
Invisible damage to the cable. Replace the cable with a new one.
Duplexer is not properly set (if the
duplexer is mounted).
Properly connect the power cord and
ensure secure connection.
Check if the fuse has blown. If yes, replace
it with a new one.
Re-set frequencies.
If you cannot remove or bypass the
interference source, change to operate at
other frequencies.
Go within the coverage of the repeater.
Set your ID to the same as that of other
members.
Replace the cable with a new one if
necessary.
Secure or replace the cable.
Contact the manufacturer or your dealer to
re-set the duplexer.
8
Care and Cleaning
To guarantee optimal performance as well as a long
service life of the product, please follow the tips below.
Product Care
Keep the product at a place of good ventilation and
heat dissipation to facilitate normal work.
Do not place irrelevant articles on top of the product
to ensure optimal heat dissipation.
Do not pierce or scrape the product with any edged
instruments or hard objects.
Keep the product far away from substances that can
corrode the circuit.
Do not place the product in corrosive agents,
solutions or water.
Product Cleaning
Caution: Disconnect the power supply from
the repeater before cleaning.
Remove the dust and ne particles on the repeater
surface with a clean and dry lint-free cloth or a brush
regularly.
Use a non-woven cloth with neutral cleanser to clean
the keys, control knobs, LCD and jacks after long-
time use. Never use chemical preparations such as
stain removers, alcohol, sprays or oil preparations.
Make sure the product is completely dry before use.
9
Optional Accessories
The following items are the main optional accessories for the product, and please consult your local dealer for more other accessories.
Palm Microphone SM16A1
External Power Supply (240W, backup
power supply applicable) PS22002
Power Cord (10A 12AWG)
PWC11
Caution: Use the accessories specified by the Company only. If not, the Company shall not be liable for any losses or damages arising out of use of
unauthorized accessories.
Desktop Microphone
SM10A1
Bracket (2U)(black)
BRK12
10-pin Programming Cable (USB)
PC37
Duplexer Bracket BRK09
(for DT11 and DT14 only)
Bracket (2U)(grey) BRK14
DB26 Data Cable (USB)
PC40
Yagi Antenna
Duplexer (frequency: 380-470MHz;
RX-TX spacing: 5-13MHz) DT11
Duplexer (frequency: 160-174MHz;
RX-TX spacing: 5MHz) DT12
Duplexer (frequency: 148-160MHz;
RX-TX spacing: 5MHz) DT13
Duplexer (frequency: 336-370MHz;
RX-TX spacing: 8-13MHz) DT14
Duplexer (frequency: 136-148MHz;
RX-TX spacing: 5MHz) DT15
Duplexer (frequency: 440-480MHz;
RX-TX spacing: 5MHz) DT16
Duplexer (frequency: 480-512MHz;
RX-TX spacing: 5MHz) DT17
Omni-directional Antenna
Fuse POA33
10
Note: Existing devices should be upgraded to Hytera’s iM or iS firmware before being used as part of a system. For details about upgrade, contact your Hytera
dealer.
11
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