User Manual

1- Screw connection 2- speaker 3-USB interface and protective plug 4-GPRS/

Antenna Interface 5- Five-pin plug socket and protection 6- Battery compartment 7-

SD card slot 8-SIM card slot 9- Battery Cover 10-SLC Power Block.

Figure 2-4

◇ connection screw: for the instrument fixed to the base or the pole.

◇ Trumpet: Real-time operation and status of the instrument voice

broadcast.

◇ USB interface: For connection to the host and external devices,

upgrade firmware and download the static data, can also be used as USB to

serial port using a special mode of operation (need to install drivers).

◇ 3G / GPRS internal radio antenna connection: Connect 3G / GPRS

antenna using the network, then the built-in UHF radio antenna when using the

radio.