Vaisala GC25 Use and care manual

Upgrade Instructions
GC25
TECHNICAL
REFERENCE
M210711EN-A
July 2005

PUBLISHED BY
Vaisala Oyj Phone (int.): [phone]
P.O. Box 26 Fax: [phone]
FIN-00421 Helsinki
Finland
Visit our Internet pages at http://www.vaisala.com/
© Vaisala 2005
No part of this manual may be reproduced in any form or by any means,
electronic or mechanical (including photocopying), nor may its contents be
communicated to a third party without prior written permission of the copyright
holder.
The contents are subject to change without prior notice.
Please observe that this manual does not create any legally binding obligations for
Vaisala towards the customer or end user. All legally binding commitments and
agreements are included exclusively in the applicable supply contract or
Conditions of Sale.

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VAISALA ________________________________________________________________________ 1
Table of Contents
CHAPTER 1
GENERAL INFORMATION............................................................................ 3
About This Manual ................................................................... 3
Related Manuals ................................................................... 3
Feedback............................................................................... 3
Safety......................................................................................... 4
General Safety Considerations ............................................. 4
Product Related Safety Precautions ..................................... 4
ESD Protection...................................................................... 5
Warranty.................................................................................... 5
CHAPTER 2
PRODUCT OVERVIEW.................................................................................. 7
GC25 Upgrade Instructions..................................................... 7
Upgrade Using PC and Serial Communication Interface...... 7

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Chapter 1 ________________________________________________________ General Information
VAISALA ________________________________________________________________________ 3
CHAPTER 1
GENERAL INFORMATION
This chapter provides general notes for the product.
About This Manual
This manual provides information on updating the Ground Check Unit
GC25 Processor.
Related Manuals
Table 1 Related Manuals
Manual Code Manual Name
M210329EN Ground Check Unit GC25 User's Guide
Feedback
Vaisala Customer Documentation Team welcomes your comments
and suggestions on the quality and usefulness of this publication. If
you find errors or have other suggestions for improvement, please
indicate the chapter, section, and page number. You can send
comments to us by e-mail: [email protected]

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Safety
General Safety Considerations
Throughout the manual, important safety considerations are
highlighted as follows:
WARNING Warning alerts you to a serious hazard. If you do not read and follow
instructions very carefully at this point, there is a risk of injury or
even death.
CAUTION Caution warns you of a potential hazard. If you do not read and
follow instructions carefully at this point, the product could be
damaged or important data could be lost.
NOTE Note highlights important information on using the product.
Product Related Safety Precautions
The Ground Check Unit GC25 delivered to you has been tested for
safety and approved as shipped from the factory. Note the following
precautions:
WARNING Ground the product, and verify outdoor installation grounding
periodically to minimize shock hazard.
CAUTION Do not modify the unit. Improper modification can damage the
product or lead to malfunction.

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VAISALA ________________________________________________________________________ 5
ESD Protection
Electrostatic Discharge (ESD) can cause immediate or latent damage
to electronic circuits. Vaisala products are adequately protected
against ESD for their intended use. However, it is possible to damage
the product by delivering electrostatic discharges when touching,
removing, or inserting any objects inside the equipment housing.
To make sure you are not delivering high static voltages yourself:
- Handle ESD sensitive components on a properly grounded and
protected ESD workbench. When this is not possible, ground
yourself to the equipment chassis before touching the boards.
Ground yourself with a wrist strap and a resistive connection cord.
When neither of the above is possible, touch a conductive part of
the equipment chassis with your other hand before touching the
boards.
- Always hold the boards by the edges and avoid touching the
component contacts.
Warranty
For certain products Vaisala normally gives a limited one-year
warranty. Please observe that any such warranty may not be valid in
case of damage due to normal wear and tear, exceptional operating
conditions, negligent handling or installation, or unauthorized
modifications. Please see the applicable supply contract or Conditions
of Sale for details of the warranty for each product.

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Chapter 2 __________________________________________________________ Product Overview
VAISALA ________________________________________________________________________ 7
CHAPTER 2
PRODUCT OVERVIEW
This chapter introduces the features, advantages, and the product
nomenclature.
GC25 Upgrade Instructions
This package contains material for upgrading GC25 device by using
PC and serial comminication cable.
Upgrade Using PC and Serial
Communication Interface
1. Switch off the GC25 (if it isn't already).
2. To upgrade GC25 with PC and serial cable, connect serial cable
(supplied together with GC25 device) to available serial (COM)
port in your PC. Connect cable also to GC25 device serial port.

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0506-073
Figure 1 Connect Serial Cable to GC25
3. Insert the Upgrade CD into the CD-drive and run "GC25 Flash
Programmer.exe", located in the CD root directory.
NOTE If you do not have the Upgrade CD but have have recieved the GC25
Flash Programme files by alternate method, copy all the files to one
directory. Run "GC25 Flash Programmer.exe" from that location.
4. Press and hold down the Back button
5. Switch on the power without releasing the Back button.
6. The upper line should be a row of dark squares.
0506-074
Figure 2 Row of Dark Squares

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You are now in software update mode. In the Flash Programm
window, press Update button to start the update.
0506-075
Figure 3 Press Update to Start GC25 Upgrade
When complete, the PC will display a window indicating the
update is ready.
0506-079
Figure 4 GC25 Upgrade Completed
7. Press OK to close the window.
8. Switch off GC25 and remove serial cable (if it is not used in
normal sounding preparations).
The GC25 is now upgraded and ready for use.