Contents
1 lntroduction
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1.1 General Notes 1-1
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1.2 Measurement Equipment 1-1
2
Important Notes
2.1 Safety notes
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2-1
2.2 Anti-static Measures
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2.1
2.3 Repair Guidelines for SMD boards
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2-1
2.4 Cleaning Instructions
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2-1
3
Mechanical Design/Assembly lnstructions
3.1 Instrument Codes
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3-1
3.2 Assembly Instructions
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3.1
3.3 Jumper Assignment (From Series
E)
..................
3-1
4
omitted
5
omitted
6
Fault Localization. Component Level
General Notes
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?
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6-1
Voltage Supply
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:
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6.1
OnIOff Control
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6-1
+5 V S~pply
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6.1
Battery Monitor
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6-1
Clock Oscillator
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6-2
Keypad
/
Keypad Controller
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6-2
Nominal Current Setting
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6-2
7
Alignment lnstructions
8
Function ChecWConfidence Test
8.1 Introduction
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8.1
8.2 Preparations
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8-1
8.3 Test setup
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8.1
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8.4 Checking the Send Level (CW) 8-1
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8.5 Checking the Modulation 8-1
9
Circuit Description
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