
GLDM 64.1 Technical Manual rev. 1.30 February
2020
Page 5 of 50
All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
means, mechanical, photocopying, recording, or otherwise, without the prior written permission of Group Four
Transducers,
No patent liability is assumed with respect to the use of the information contained herein. While every
precaution has been taken in the preparation of this book, Group Four Transducers assumes no
responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of
the information contained herein.
The information herein is believed to be both accurate and reliable. Group Four Transducers, however, would
be obliged to be informed if any errors occur. Group Four Transducers cannot accept any liability for direct or
indirect damages resulting from the use of this manual.
Group Four Transducers reserves the right to revise this manual and alter its content without notification at any
time.
Neither Group Four Transducers nor its affiliates shall be liable to the purchaser of this product or third parties
for damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: accident,
misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product, or failure
to strictly comply with Group Four Transducers operating and maintenance instructions.
Group Four Transducers shall not be liable against any damages or problems arising from the use of any
options or any consumable products other than those designated as Original Group Four Transducers
Products.
NOTICE: The contents of this manual are subject to change without notice.
Copyright © 2012-2020 by Group Four Transducers ApS, DK-3540 Lynge, Femstykket 6, Denmark
RIGHTS AND LIABILITIES
2.
Safety Instructions
CAUTION
READ this manual BEFORE operating or servicing this equipment. FOLLOW these
instructions carefully. SAVE this manual for future reference. DO NOT allow untrained personnel to
operate, clean, inspect, maintain, service, or tamper with this equipment. ALWAYS DISCONNECT
this equipment from the power source before cleaning or performing maintenance.
CALL Group Four Transducers for parts, information, and service.
WARNING
ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT.
EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE
MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN
BODILY HARM.
WARNING
FOR CONTINUED PROTECTION AGAINST SHOCK HAZARD CONNECT TO
PROPERLY GROUNDED OUTLET ONLY. DO NOT REMOVE THE GROUND PRONG.
WARNING
DISCONNECT ALL POWER TO THIS UNIT BEFORE REMOVING THE FUSE OR
SERVICING.
WARNING
BEFORE CONNECTING/DISCONNECTING ANY INTERNAL ELECTRONIC
COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT
ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY (30) SECONDS BEFORE ANY
CONNECTIONS OR DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE THESE
PRECAUTIONS COULD RESULT IN DAMAGE TO OR DESTRUCTION OF THE EQUIPMENT OR
BODILY HARM.
CAUTION
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE
DEVICES.