Matrix MX-T3x Service Manual

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Step 2: Please check the connection.
Check whether the heart rate cable is touching hand pulse metal (both of left hand
and right hand).
Besides the other side of the heart rate cable should be connected with HR board.
Step 3: If you can't find any problem with above step, and the heart rate
figure still can't showup, Please replace the heart rate board.

Matrix MX-T3x Specifications

General

Brand	Matrix
Model	MX-T3x
Category	Treadmill
Language	English