xsto CT420S, Operation Manual

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limit for a long time, or there is a continuous buzzer alarm sound from
the CT420S, please stop using the machine, and refer to the
maintenance manual for fault detection.
3.6 Go Upstairs
3.6.1 Start the CT420 S stair climber
For the first use, you need to insert
the plug under the battery base. In
the daily use since then, there is no
need to insert or to remove the
plug.
Insert the 24V battery pack and
turn on the battery switch.
Note: Before turning on the
battery switch, make sure the
battery is inserted in the battery
holder and the power cord is
connected well.