Galaxy DX 2547 Manuale d'uso - Pagina 2
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TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Noise Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phone Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Public Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frequency Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure to Receive And Transmit . . . . . . . . . . . . . . . . . . . . . . .
Receiving SSB Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alternate Microphone And Installation . . . . . . . . . . . . . . . . . . . .
Maintenance and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A Few Rules That Should Be Obeyed . . . . . . . . . . . . . . . . . . . . .
How Your CB can Serve You . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use Channel 9 for Emergency Message Only . . . . . . . . . . . . . . .
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE
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GENERAL
Channels
2
Frequency Range
Emission
Frequency Control
Frequency Tolerance
3
Frequency Stability
3
Temperature Range
3
Antenna Impedance
3
Antenna Connectors
5
Meter Function
5
5
Input Voltage
TRANSMITTER
RF Power Output
6
Antenna Connector
6
AM Modulation
6
Spurious Emission
10
Unwanted Sideband
11
12
RECEIVER
13
Sensitivity for 10 dB (S+N)/N
15
Adjacent Channel Rejection
18
Image Rejection
19
AGC Figure of Merit
19
Audio Power Output
20
Audio Response
21
CHAPTER 1 SPECIFICATIONS
40
26.965 ~ 27.405 MHz
AM/USB/LSB
Phase-Lock-loop (PLL) Synthesizer
0.005%
0.003%
-30°C to +50°C
50 Ohms
Standard SO-239 type
Meter#1 RF output Power / Antenna SWR
Meter#2 Received signal strength / MOD %
AC 120V, 60Hz
AM 4W ; USB/LSB 12W PEP
UHF Type, 50 Ohms
Up to 100%
Better than -60 dB
Better than -60 dB
AM : 0.5 uV, USB/LSB : 0.15 uV
-60dB
-50dB
50 mV for 10dB Change in Audio Output
2.5W @ 10% Distortion
300 to 2500 Hz
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