Funkwerk FT4 Operating Manual page 57

5. Carefully push the battery into the radio set until the battery lock engages.
Both battery locks must engage completely. They are then at their upper limit
stop.
6. Charge the battery before switching the unit on for the first time.

Done. After charging the battery, the radio set is ready for operation.
TIP
After the unit is switched on, the display may show a prompt concerning a missing
card. In this case, you can only use your radio set if a Micro-SD card is inserted.
Check to ensure that all cards required for operation are inserted, see work step 3.
Putting the radio set into operation
First steps 53