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HR-2800 

 

28 MHZ AM-FM 
AMATEUR RADIO HF TRANSCEIVER 

 

OWNER'S MANUAL 

 

NOTICE ! 

It is recommended to carefully read this owner’s manual before using the product. This will also help to prevent illegal use of the 
radio in violation of the regulations valid in the country where the product is used, as well as to avoid causing possible interferences 
to other services. 

 

Index

 

1

 

Introduction - Content of the packaging

  

Controls and operation

 

 2 - 9 

CTCSS function

  

 10 

Installation

  

11 

Specifications - User Information

  

14 

ESP Compander Diagram - CTCSS Diagram

  

II 

PCB - Main Board & CPU Board

 

 III - IV 

Diagram

 

V - VI 

Block Diagram

  

VII-VIII 

 

NOTICE ! 

This transceiver has been factory programmed, in order to use the product immediately after purchase. The programming includes 
the activation of frequencies in the HF 10 Meter Amateur Band, according to the technical rules in force for the use of this bands. 
The manufacturer is not responsible for any modification to the harware or software of the product, which may possibly cause the 
radio 

 

Congratulations ! 

Congratulations for selecting and purchasing a K-PO quality product. K-PO HR-2800 is a 10-Meter band Amateur Radio transceiver 
using advanced hardware and software design. This transceiver includes a number of advanced functions and systems, therefore it 
is definitely necessary to carefully read this owner’s manual before using the radio. With a correct use of the product in accordance 
with the operating method described in this manual, the product will offer a trouble free use for many years. K-PO is constantly 
engaged to develop and provide quality products meeting the customers requirements, however any suggestion or comments on this 
product that might help us to improve quality are warmly welcome.  

 

Content of the packaging 

Please check that all the following items are contained in the packaging : 

 

Main unit (transceiver) 

 

DC power cord with fuse holder and fuse 

 Dynamic 

microphone 

 

Car mounting bracket 

 

Car mounting bracket accessories (hardware, knobs, etc.) 

 Microphone 

bracket 

 Owner’s 

manual 

 

 

 
 

Содержание HR-2800

Страница 1: ...le for any modification to the harware or software of the product which may possibly cause the radio Congratulations Congratulations for selecting and purchasing a K PO quality product K PO HR 2800 is a 10 Meter band Amateur Radio transceiver using advanced hardware and software design This transceiver includes a number of advanced functions and systems therefore it is definitely necessary to care...

Страница 2: ...g weak signals or from long distance Move the selector to LOC Local when receiving strong signals from local stations 3 LCD Display Large size visible area mm 54 x 21 LCD display with orange colour backlighting system for best readability The LCD display shows all the enabled functions as well as several other information and user programmable functions like the full 5 digit frequency readout LCD ...

Страница 3: ...0 14 4 ESP Indicator This LED indicator lights up in red colour when the ESP Electronic Speech Processor function is enabled The ESP is an RX TX electronic modulation processor 5 TX RX Indicator This green red dual colour LED indicator lights up in green colour when radio is in receive mode and in red colour when radio is in transmit mode 6 AM FM and M1 Key This key selects the AM or FM operating ...

Страница 4: ...con R will blink on the LCD display Now press one of the dual function keys M1 to M4 to quickly recall and access to one of the programmed memory frequencies The selected memory frequency number will appear on the LCD display P CTCSS TONE SELECTION Please see the CTCSS section at page 10 ROGERBEEP FUNCTION To enable or disable the RB Roger Beep Tone shortly press the F key 11 and the F icon on the...

Страница 5: ...he PA icon Q appears on the LCD display Now it is possible to press the PTT key 27 and speak into the microphone to spread your message through the external speaker Adjust the microphone gain with the MIC GAIN knob 16 to the desired level 19 AS SQL Control SQUELCH CONTROL SQUELCH manual adjustment The SQUELCH control allows to silent the receiver by cutting the background noise when no signals are...

Страница 6: ...tempt to open the cabinet of the transceiver No user serviceable parts inside Internal modifications or tampering may cause damage to the product modify its technical specifications and will void warranty rights If service or repair are required please refer to an authorised service centre or specialized technician CTCSS Function 50 CTCSS private codes are available Different CTCSS tones may be as...

Страница 7: ...dware to install the radio The bracket screws must be well tightened in order not to become loosen with the vehicle vibrations The car mounting bracket can be installed over or below the radio and the radio may be inclined as desired according to the specific type of installation under dashboard or track cabin roof installation Installation of the Main Unit Before connecting the radio to the vehic...

Страница 8: ... 5W at 8 ohm Audio distorsion 8 at 1 KHz Image rejection 65dB Adjacent channel 65dB Signal noise ratio 45dB Current drain 250mA stand by Transmitter System CPU controlled P L L systhesizer Maximum RF power 20W Modulation 85 to 90 AM 1 8 KHz 0 2 KHz FM Impedance 50 ohm unbalanced Current drain 6 0A at no modulation User Information in accordance with art 13 of the Legislative Decree of 25th July 20...

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