Caltta PR900 User manual

Quick Start Guide
PR900 Series Digital Repeater
© 2020 Caltta Technologies. All rights reserved.

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Copyright statement
The copyright of this document belongs to Caltta Technologies Co.,Ltd. Text contains proprietary
information owned by Caltta Technologies Co.,Ltd., without the written permission of Caltta
Technologies Co.,Ltd., any unit or individual shall not use or leak any document and pictures, this
document contains tables, picture, data and other information.
The information in this document contains the development progress of Caltta Technologies
Co.,Ltd. products and technology will continue to update, Caltta Technologies Co.,Ltd. would not
notice such information updates.
Privacy Policy
Caltta Technologies Co.,Ltd. is a global leader in trunking communications and information
technology, the company has committed to complying with appropriate regulations to personal
data security . In order to protect it, a lot of essential security technical measures should be
taken such as anonymous, data encryption.
Safety Instruction
In order to safely and efficiently use this digital repeater, please read the following information.
Maintenance can only be carried out by the professionals, do not disassemble it by yourself.
The configuration and installation without the local wireless radio management department’s
permission is forbidden by the law.
Regarding to installation of antenna, lighting protection measures have to be
performed,otherwise it may result in a serious loss of life and property.
Be sure to use the qualified accessories,such as power supply, antenna, lighting protection
device, feeder, duplexer, etc., and install them correctly, otherwise it may result in damage to
the repeater.

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General Disclaimer
During the preparation process of this guide,Caltta Technologies Co.,Ltd. sought for accuracy and
completeness of its contents. Should there be any errors or omissions, the company will not bear
any responsibility. Due to continuous development of technology, the company reserves the right
not to give further notice on changes of design and specifications of its products. Caltta
Technologies Co.,Ltd. reserves all the right for the final explanation.
The figures in this guide are for reference only. if the figure is different with the actual product,
please refer to the actual product. The accessories provided with the product may vary with
product models and functions, please refer to the actual product in the packing box.
RF radiation information
This product only meets the application requirements on RF energy radiation. The user must be
acutely aware of the hazards brought by RF radiation, and able to take corresponding measures to
meet the prescribed requirements of RF radiation.

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1 GET TO KNOW YOUR REPEATER
1.1Accessories with the Product
Item
Quantity
Repeater
1
AC Power Cable
1
Rack mount
2
Cross Flat Head
Screw(M3)
6
PR900 Series Digital
Repeater Quick Start
Guide
1
Warranty Card
1
1.2Specifications
Item
Parameter
Dimensions (W*H*D)
436*44.5*366.4mm
Weight
8.5Kg
Frequency
Refer to product label
AC Power Supply
AC100-240V@50/60Hz
DC Power Supply
DC13.6V±15%
Transmitted Power
1-50W
Operating Temperature
-30℃~ +60℃
Storage Temperature
-40℃~ +85℃

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1.3Notice
It should be arranged in dry and ventilated environment while the repeater is working.
The power switch should be off until all the accessories have been installed.
Do not touch the antenna port and avoid to high-frequency radiation.
Do not optionally disassemble or refit the repeater lest fault or accident occurred.
Do not operate the repeater by wet hand lest personal injury or repeater fault.
The storage environment should be far away from corrosive solid,liquid and gas.
1.4Components
Component Description
No.
Name
No.
Name
1
Cooling Port
10
AC Power Socket
2
Channel/Volume Button
11
DC Power Socket
3
LCD Display
12
USB Port
4
Multi-functional Button
13
LAN Port

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1.5LED(LED Indicators)
Indicator
Indicator Name
Status
Description
ALM
Alarm Indicator
Red
Repeater works abnormally,the alarm
information can be checked through menu.
PWR
Power Indicator
Red
Power on normally.
TxA
Timeslot 1
Transmitting
Indicator
Red
Transmitting at analog or digital
timeslot 1.
RxA
Timeslot 1 Receiving
Indicator
Green
Receiving at analog or digital timeslot
1.
TxB
Timeslot 2
Transmitting
Indicator
Red
Transmitting at digital timeslot 2 .
RxB
Timeslot 2 Receiving
Green
Receiving at digital timeslot 2.
5
LED Indicator
14
AUX Port
6
Speaker
15
Rx Port（BNC type）
7
Power on Button
16
Tx Port(N type)
8
Accessory Port
17
Power Fuse （F15AL250V）
9
AC Power Switch
18
Grounding Screw

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Indicator
Ana.
Analog Working Mode
Indicator
Green
Repeater is working at analog mode.
Dig.
Digital Working Mode
Indicator
Green
Repeater is working at digital mode.
Data
Data Transfer
Indicator
Green
Repeater is transferring data
currently.
IP
IP Connection
Indicator
Green
The link of IP connection between
repeaters is normal.
Orange
The link of IP connection between
repeaters is abnormal.
Off
The link of IP connection between
repeaters is no IP connection.
1.6Power Supply Mode
The repeater supports three types of power supply mode, AC power supply, DC power supply and
hybrid power supply. When adopting AC power supply and connecting the battery together, the
repeater can use AC power supply normally and charge the battery automatically.
1.6.1 AC Power Supply
AC power socket is shown as the following figure. AC power range is AC100-240V@50/60Hz.

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1.6.2 DC Power Supply
DC power socket is shown as the following figure. The repeater supports DC power supply and
DC power range is 13.6V±15%.
1.6.3 Hybrid Power Supply
AC power supply socket connects with AC power, at the same time DC power socket connects
with the battery. Notice, connecting DC power is not allowed working at hybrid power supply mode.
When AC power supply is normal, AC power shall charge the battery. When AC power supply is
faulty, the battery shall supply the repeater.
1.7Multi-functional Buttons
Button
Description
Button
Description
Back Button
Up Button
Menu/Confirm
Button
Down Button
Programmable 1
Button
Programmable 2
Button
Channel/Volume
Button
Remark,the P1 and P2 buttons can be configured through CPS(Customer Programming

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Software).
1.8LCD (LCD Status Symbols)
The various icons may be displayed on the LCD. The status description of icons is listed as the
following form.
Icon Name
Icon
Status Description
Power Supply Mode
The current power supply mode is AC power
supply.
The current power supply mode is DC power
supply.
Alarm
The repeater is at alarm status.
Mute
The repeater is working at mute mode.
Speaker
The speaker is on.
Accessory
Accessory is connected with the repeater.
Repeater Working
Mode
Master repeater in IP connection
Slave repeater in IP connection
Single station
IP Network
Connection
IP network connection abnormal
IP network no IP connection
IP network connection normal
Transmit Power
The transmit power of current channel is
high-power mode.
The transmit power of current channel is

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low-power mode.
Disable
The repeater has been disabled.
2 BASIC OPERATIONS
2.1Power on/off Repeater
AC Power Supply ：
When the repeater is turned off,press the AC Power Switch “ ” on the rear panel to turn on, the
light of AC power indicator is on. Then press the Button “ ” on the front panel to power on the
repeater, Power Indicator ”PWR” is on. After the repeater working normally, operation screen shall
be displayed on the LCD.
When the repeater is turned on, press the Button “ ” to turn off the repeater directly, and press
AC Power Switch “ ” to power off.
DC Power Supply ：
When the repeater is turned off, press the Power on Button “ ” on the front panel to power on
the repeater, Power Indicator ”PWR” is on. After the repeater working normally, operation screen
shall be displayed on the LCD.
When the repeater is turned on, press the Power on Button “ ” to power off the repeater directly.
2.2Voice and Data Transfer
When transferring, the Data Transfer Indicator“Data” is on. If the transferred data is analog, the
Analog Working Mode Indicator”Ana.” is on simultaneously. If the transferred data is digital, the
Digital Working Mode Indicator”Dig.” is on simultaneously. The working parameters of each
channel,such as TX/RX frequency and CDCSS/CTCSS can be assigned by distributor.
An analog channel can be programmed with one group of CDCSS/CTCSS encoding and decoding

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list. When receiving CDCSS/CTCSS on the channel, the repeater will transfer voice and data
according to programmed CDCSS/CTCSS encoding and decoding list.
2.3Channel Switch
Press Channel/Volume Button and enter channel switch mode, then switch channel through press
Up/Down Button.
2.4Power Switch
The transmit power of the repeater can be setted as high-power mode and low-power mode
through CPS(Customer Programming Software). To switch power through the programmable
button P1 is as default. When the icon of” ”is displayed on the LCD screen, the repeater is
working at high-power mode. When the icon of” ”is displayed on the LCD screen, the repeater
is working at low-power mode.
2.5Alarm
When the abnormal case occurs with the repeater, the Alarm Indicator”ALM” shall be light on. At
the moment, the end customer shall contact with the local distributor.
3 MAINTENANCE AND CLEANING
In order to ensure the repeater works with its favourable performance, and extend its service life,
please know well the following contents, so as to make preferably maintenance and cleaning for
the repeater.
3.1Maintenance
Ensure to put the repeater at the ventilated and easy radiating environment.

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Do not put the irrespective materials on the repeater, guarantee effective heat dissipation.
Do not puncture or scrap the repeater with the sharp and hard materials.
Do not store the repeater at the environment with corrosive electronic circuit materials.
Do not soak the repeater in corrosive, liquor or water.
3.2Cleaning
Termly wipe the dust attached on the repeater using the clean and dry fleece-free cloth or
brush,to keep it clean.
If the buttons, control rotary knobs, display and port of the repeater is dirty, it may be cleaned
using the fleece-free cloth with neutral detergent. It is prohibited to use the highly corrosive
chemical agent, such as non-neutral detergent, alcohol, spray or oil preparations, etc.
After cleaning, ensure the repeater dry completely, otherwise do not power on.