Casio DT-970M50E User Manual

Also see for DT-970 Series: Hardware manual

E-14Center TriggerKeyUsed to perform bar code reading.USB Port Connects the optional USB cable (HA-N81USBC).Buzzer Outputs operation confirmation tones.Battery Cover(Backup Battery)Opens the cover to allow the memory backup lithium battery to beinstalled.Battery CoverLock SwitchesUsed to lock the battery cover and to release.Battery Cover(Main Batteries)Opens the cover to allow the main batteries to be installed.Strap Holes Used to attach the hand strap.DataCommunicationTerminalUsed for communication with the cradle.Power Contacts Used to receive power provided by the USB Cradle.IR Port This port is for IR communication with another DT-970 unit or withone of the optional cradles (HA-E60IO).