Do you have a question about the Retekess TR631 and is the answer not in the manual?
Instructions for operating the unit using AC power.
Details on installing, using, and caring for batteries to prevent damage.
Guidelines for safe usage and RF energy awareness for compliance.
Information on local, FCC, CE regulations, and unauthorized modifications.
Compliance for Canadian radio apparatus and general RF exposure warnings.
Safety warnings regarding choking hazards and hearing protection.
Recommendations for using authorized accessories for compliance.