Please turn on the power after charging the AC adapter for approx. 30 minutes.

When internal (built-in) battery of CF-3600A/3800A is used up because of continuous use and shut it down in a state of the low battery, the main unit does not start. This is to prevent the main unit from restarting automatically after the battery voltage is recovered.

The built-in battery is provided as measure for instantaneous interruption, so, long term operation with the built-in battery may cause the missing of important data. Make sure to use the main unit with AC adapter connection in the fully charged condition.