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Smartuner SG-239
SGC Smartuner SG-239 User Manual
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SG-239
Smartuner
Manual
October 2001
Cat. #54-22
TM
SG-239 Manual
page 1
Wednesday, October 17, 2001 08:31
Composite
2
Table of Contents
Default Chapter
3
Table of Contents
3
Specifications
5
1 Supplied Items
6
2 Mechanical Design
6
Marine Mounting
6
Desert and High Temperature Installations
6
Direct Weather Protection Installations
7
3 Coupler Configuration
7
Connections to SG-239
7
Tuning Process
8
Impedance Detector
8
VSWR Detector
9
Phase Detector
9
Central Processing Unit (CPU)
9
Initialization
10
Jumper Settings
10
4 Tuning Process and Options
11
Program Description
11
Tuning Paths
13
Antenna too Short
13
Antenna too Long
14
JP1-Tuning Elements out During Receive
14
JP3-Tune from Memory
15
5 Status LED Descriptions
15
6 Optional Smartlock
16
Tune, Tune Lock, and Reset
17
Smartlock Notes
17
7 SG-239 Enhanced Features
18
8 Do-It-Yourself Light Bulb Dummy Load
20
9 Five Golden Rules of HF Installation
22
10 S T a N D a Rd Warranty
24
11 Component Location
25
12 Schematics
26
Important Notes
32
13 Smartunerâ„¢ Comparison Charts
34
Selected Antenna Configurations
36
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SGC Smartuner SG-239 Specifications
General
Type
Automatic Antenna Tuner
Input Impedance
50 Ohms
Output Impedance
50 Ohms
Power Rating
100 Watts
Current Consumption
500 mA
Frequency Range
1.8 to 30 MHz
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