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CHAPTER 1 SPECIFICATIONS

 

 

GENERAL

 

 

Model DX 

93T 

Frequency Range 

28.315 ~ 28.755 MHz 

Emission FM/AM/USB/LSB 
Frequency Control 

Phase-Lock-Loop (PLL) Synthesizer 

Frequency Stability 

0.001% 

Temperature Range 

-30

°

C to +50

°

Antenna Impedance 

50 Ohms 

Antenna Connectors 

Standard SO-239 type 

Input Voltage 

13.8V DC 

Size 

7 7/8" (W) x 2 3/8" (H) x 10 3/4" (D) 

Weight 

4 lb. 10 oz.  

 

 

TRANSMITTER 

 

AM/FM: 20W/8W/2W (HI/MED/LO) 

RF Power Output 

USB/LSB: 50W PEP 

Spurious Emission 

-50 dB 

Unwanted Sideband 

-50 dB 

Audio Distortion 

10% 

Frequency Response 

300 to 2500Hz 

Microphone Dynamic 
Clarifier Range 

Coarse: 

±

 6.0KHz, Fine: 

±

 1.0KHz 

RECEIVER 

 

Sensitivity for 10 dB (S+N)/N 

AM: < 0.5   µV; USB/LSB: < 0.25 µV 

Sensitivity for 12 dB (S+N)/N 

FM: < 0.25 µV 

Squelch Sensitivity 

< 0.5 uV 

Selectivity -55 

dB 

Image Rejection 

-50 dB 

AGC Figure of Merit 

100 mV for 10dB Change in Audio Output 

Audio Power Output 

2.5W @ 10% Distortion 

Audio Response 

300 to 2500 Hz 

 

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE) 

 

 

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CHAPTER 2 INSTALLATION

 

 

INSTALLING THE RADIO 

Choose a convenient location for operation that does not interfere with driver or 

passenger. This radio is supplied with a universal mounting bracket. When 
mounting the bracket and radio to your car, make sure it is mechanically strong. 
Also, provide a good electrical grounding connection to the chassis of vehicle. 
Proceed as follows to install the radio. 

 

1.  Locate a convenient area in your vehicle for the installation of the radio. 

Hold the mounting bracket with the radio in the location where the radio is to 
be installed. Make sure nothing will interfere with either the radio or the 
mounting bolts. Mark and then drill holes for the mounting bracket. 

 
2.  Most radio antennas come equipped with a PL-259 plug. Connect this plug to 

the ANT. Jack in the rear of the radio. 

 
3.  Extending from the rear of the radio is a fused red and black wire for the DC 

connections to the vehicle’s electrical system. For best performance, it is 
strongly recommended that the red lead be taken directly to the positive 
terminal on the vehicle’s battery and the black lead be connected to the 
nearest chassis ground. (Note: 

This radio is designed for vehicles with 

negative ground systems

.)  

 

Connections should be made using appropriate “crimp on” lugs of a size 
large enough to make good contact with the bolt used to fasten to the battery 
and the chassis ground. It is a good safety idea to install a second fuse that 
would provide protection in case the red wire was to “fray” or get pinched 
and short to the body of the vehicle, somewhere between the battery and the 
radio. 

 

High power radios such as this one require large DC current flow when in the 
TX mode. Poor power connections cause supply voltage drops that can 
substantially decrease the performance of your radio. A good DC connection 
is probably one of the most important things for getting the best transmitter 
performance and in some cases, least receiver noise. 

 
4. Mount 

the 

microphone bracket near the radio in an easily accessible spot 

using the two screws provided. 

 

Summary of Contents for DX 93T

Page 1: ...D S 40 80 60 50 3 30 40 60 40 2 1 5 1 5 1 0 20 1 00 M AX 20 7 5 9 dB DX 93T 10 Meter Amateur Mobile Transceiver With Built in Frequency Counter StarLite Face Plate OWNER S MANUAL TABLE OF CONTENTS 1 P...

Page 2: ...allation of the radio Hold the mounting bracket with the radio in the location where the radio is to be installed Make sure nothing will interfere with either the radio or the mounting bolts Mark and...

Page 3: ...ernal speaker Keep the speaker away from the microphone to avoid acoustic feedback 5 CHAPTER 3 OPERATION CONTROL FUNCTIONS FRONT PANEL 1 MOD LAMP When switched on this Modulation indicator will illumi...

Page 4: ...sition both clarifiers have no effect on the frequency 12 CHANNEL SELECTOR This control is used to select the desired transmit and receive channel 13 10KHz LED This LED lights green when the 10KHz fun...

Page 5: ...our mouth and speak clearly in a normal voice This transceiver comes complete with a low impedance dynamic microphone B PROCEDURE TO RECEIVE 1 Be sure that power source microphone and antenna are conn...

Page 6: ...eased whereas in the LSB mode the transmitter s output frequency is decreased The result in listening to the receiver is that when the MODE switch is in the proper position either USB or LSB a true re...

Page 7: ...be used is provided with pre cut leads they must be revised as follows 1 Cut leads so that they extend 7 16 beyond the plastic insulating jacket of the microphone cable 2 All leads should be cut to t...

Page 8: ...he connections to pin 1 and 3 are made first and then the connections to pins 2 and 4 Use a minimum amount of soldering and be careful to prevent excessive solder accumulation on pins which could caus...

Page 9: ...Please include a note with a detailed description of the symptoms This is important because it will help the technician who works on your radio to locate your problem Intermittent problems are easily...

Page 10: ...Printed in Taiwan AT0949010G...

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