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Table of Contents
CHAPTER 1
GENERAL INFORMATION............................................................................ 3
About This Manual ................................................................... 3
Contents of This Manual ....................................................... 3
Related Manuals ................................................................... 4
Safety......................................................................................... 4
General Safety Considerations ............................................. 4
Product Related Safety Precautions ..................................... 4
Warranty.................................................................................... 5
CHAPTER 2
PRODUCT OVERVIEW.................................................................................. 7
Introduction to GC25 Ground Check Unit.............................. 7
Operation Modes................................................................... 8
Ground Check Phases .......................................................... 9
Reconditioning ................................................................. 9
Setting the Frequency...................................................... 9
Setting the Timer (Killer) ................................................ 10
Conducting a Ground Check.......................................... 10
CHAPTER 3
INSTALLATION............................................................................................ 11
Getting Started ....................................................................... 11
Connections ........................................................................ 11
Stand-Alone Mode ......................................................... 11
Network Mode ................................................................ 11
Desiccant............................................................................. 12
Filling the Chamber with Desiccant..................................... 12
CHAPTER 4
OPERATION................................................................................................. 15
Operating Instructions........................................................... 15
User Interface...................................................................... 16
GC25 Connections.............................................................. 16
Radiosonde Placement ....................................................... 17
Radiosonde Preparation ..................................................... 18
Reconditioning ............................................................... 19
Frequency Setting .......................................................... 19
Timer Setting.................................................................. 20
Ground Check ................................................................ 20
CHAPTER 5
MAINTENANCE ........................................................................................... 23
VAISALA ________________________________________________________________________ 1