D: - EL BACKLIGHT
- ENTER SET OR CALIBRATION (PRESS AND HOLD)
- CLEAR DATA (PRESS AND HOLD)
- EXIT (SET OR CALIBRATION)
E: - SWITCH AMONG DISPLAYS
- SWITCH BETWEEN DATE AND ALTITUDE READING DISPLAYS
- SHOW NUMBER OF UNUSED LAP
EL BACKLIGHT
Press D for EL backlight with 3 seconds auto light up.
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