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1. INTRODUCTION

This manual is intended for use by experienced technicians familiar with similar types of commercial grade
communications equipment. SPX-200 is a micro size FM transceiver operating between 136 ~ 174 MHz. With the output
power of 5 W(1 ~ 5 W).

In addition to its small size, the SPX Series offers many advanced features that could only be found in the most expensive
Land Mobile Radios.

2. OPERATION FEATURES

2-1) Physical Layout

                                                    

2-2) Panel controls

 Power switch / Volume Control

Turn clockwise to switch ON the transceiver. Rotate to adjust the volume. To switch OFF the transceiver, turn
counterclockwise fully.

 Emergency button

       Pressing this key to enter the emergency mode

 Antenna connector

Connect the supplied antenna here (SMA connector)

 TX / RX / Battery Indicator (LED 3 colors)

On

Transmitting

Red

Blinking

Low battery

On

Receiving, monitoring

Green

Blinking

Different sub-tone when receiving

Orange

On

Initializing, programming and cloning

Содержание SPX-200

Страница 1: ...stablish compliance with the technical standards of the applicable rule part s This includes but is not limited to the following items required under FCC Part 2 1033 c 1 FCC Identifier 2 A copy of the installation and operating instructions 3 Type of emission 4 Frequency range 5 Range of operating power and means to provide variation in operating power 6 Maximum power rating 7 Tune up procedure 8 ...

Страница 2: ...58 SPX 200 Preliminary MAINTENANCE REPAIR OPERATING MANUAL ...

Страница 3: ...ECIFICATIONS 61 1 GENERAL 4 2 TRANSMITTER 4 3 RECEIVER 4 4 CIRCUIT DESCRIPTION 5 1 PHASE LOCK LOOP PLL CIRCUIT 5 2 TRANSMITTER 5 3 RECEIVER 62 5 ALIGNMENT PROCEDURE 6 1 MEASUREMENT CONDITION 6 2 DISASSEMBLING THE UNIT 63 3 TRANSMITTER CIRCUIT ADJUSTMENT 7 4 RECEIVER CIRCUIT ADJUSTMENT 64 ...

Страница 4: ...ensive Land Mobile Radios 2 OPERATION FEATURES 2 1 Physical Layout 2 2 Panel controls Power switch Volume Control Turn clockwise to switch ON the transceiver Rotate to adjust the volume To switch OFF the transceiver turn counterclockwise fully Emergency button Pressing this key to enter the emergency mode Antenna connector Connect the supplied antenna here SMA connector TX RX Battery Indicator LED...

Страница 5: ...kHz 5 Power Supply DC 7 5V Ni Mh Rechargeable Pack 6 Current Drain High Transmitter 5W 2000mA Receiver 0 5W 350mA Standby 45mA Standby PSC mode 40mA 7 Battery Life 10hrs Ni Mh Rechargeable Pack At 5 5 90 transmit receive standby cycles 8 Operating Temperature 30 to 50 9 Dimension 110 H x 50 5 W x 37 5 D mm 10 Weight W Batteries 320g 1350mAH Rechargeable battery 2 TRANSMITTER 1 Power Output High 5W...

Страница 6: ...kHz and eliminates hamonics above 3 kHz The Pre emphasized audio signal is applied U8 pin 22 to adjust maximum frequency deviation by software VCO AND AMPLIFIER The VCO signal output is amplified by Q101 and then fed to power module U405 POWER AMPLIFIER CIRCUIT U405 is provided approximately 7 5V DC power source RF power output is adjusted by software DA TX power to 1W 5W Signals from U405 is supp...

Страница 7: ... SPX 200 VHF transceiver under the following reference environment conditions Temperature 25 C 77 F Relative Humidity 65 Power Supply Voltage 7 5VDC 5 TEST EQUIPMENT TOOLS REQUIRED The following list of equipment is recommended for use in setting up the radio properly Please ensure the test equipment are calibrated according to the manufacturer s instructions Frequency counter more than 100MHz 100...

Страница 8: ...ible Tone Deviation Set radio to transmit on M146 125Hz with CTCSS code 01 67Hz and no audio modulation It is adjustable by software for 0 45KHz deviation Transmitter Deviation Limit Set radio to transmit on 146 125MHz with CTCSS code 01 67Hz and audio modulation At the external microphone input inject 1KHz tone at 20dBm It is adjustable by software for 2 3KHz deviation 4 RECEIVER CIRCUIT ADJUSTME...

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