C a i r d T e c h n o l o g y I n c .
C a i r d T e c h n o l o g y I n c .
C a i r d T e c h n o l o g y I n c .
C a i r d T e c h n o l o g y I n c .
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205 Camden Chase
Columbia, S.C. 29223
Phone 803-736-1289
Other Important Information
CAIRD TECHNOLOGY INC. reserves the right to change or amend this manual at anytime
without notice. CAIRD TECHNOLOGY INC. makes no warranty of any kind with regard to this
material, including, but not limited to, the implied warranties of merchantability and fitness for a
particular purpose. CAIRD TECHNOLOGY INC. shall not be liable for errors or omissions that
may appear in this document. CAIRD TECHNOLOGY INC. makes no commitment to update or to
keep current the information contained in this document. Before using the CAIRD TECHNOLOGY
INC. VX3+ HRV Recorder, read this manual in its entirety and become thoroughly familiar with
the contents. VX3+ User Manual Doc VZ-2080 rev. 0.3
User Safety Information
Intended Use
The VX3+ HRV recorder is a small, portable, digital HRV recorder intended for use by medical
professionals to acquire ECG data from a single patient in a clinical, point of care or outpatient
setting. ECG data is first recorded to a Secure Digital (SD) card and then transferred to a HRV
analysis system for review by a physician or other qualified professional.
Explanation of Symbols