User's Manual

ENG-1
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Thank you for purchasing the CATEYE Q3a Multi-Sport Computer.
The Q3a is a wristwatch heart rate monitor with additional cyclocomputer features to
allow athletes to extensively organize and analyze their training data.
2.4 GHz-frequency digital wireless technology, the same technology used for everyday
equipment such as wireless network is used for both the integrated cadence/speed
sensor and the heart rate sensor. This technology practically eliminates all interference
from external noise and cross-talk with other wireless users, providing you with
stress-free riding.
Read this instruction manual thoroughly and understand the functions of the wristwatch
before using it. Keep this manual in a safe place for future reference.
Important
Always follow the instructions that are marked with “UÊ
Warning!!!”.
No part of this manual may be reproduced or transmitted without the prior written UÊ
permission of CatEye Co., Ltd.
The contents and illustrations in this manual are subject to change without notice.UÊ
If you have any questions or concerns about this manual, please contact CatEye UÊ
at www.cateye.com.
Introduction