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To enter Engineering or Service Mode, hold the UP and DOWN LEVEL keys for 3 seconds until Manager Mode appears on the middle LED
display. Press the UP or DOWN LEVEL key to scroll between the different Engineering and Service Modes.
ENGINEERING MODE
This mode is for factory settings only.
SERVICE MODE
SERVICE 1: Display Test.
SERVICE 2: RPM Reading.
SERVICE 3: Accumulated Distance and Time.
SERVICE 4: Heart Rate Test.
6.1 ENGINEERING / SERVICE MODE OVERVIEW
CHAPTER 6: ENGINEERING / SERVICE MODE