AutoGRAPH ON-BOARD CONTROLLER • USER MANUAL
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TechnoKom © 2016
Audio Interface (with loudspeaker amplifier)
The audio interface provides voice communication between vehicle driver and a dispatcher
via GSM and available only for controllers AutoGRAPH-GSM+ and AutoGRAPH-GSM+WiFi,
which are equipped with GSM modem.
The audio interface of AutoGRAPH controller consists of a loudspeaker and a microphone.
A built-in amplifier provides required gain of input signal, then transmits it to loudspeaker.
The speaker outputs and microphone inputs are arranged on the 4-pin Voice connector.
The audio interface is allows as to receive incoming calls as call two phone numbers saved
in the tracker’s memory. Answering and making a call are performed by means of the button
on the loudspeaker. Furthermore, AutoGRAPH controller automatically answers calls coming
from numbers those have masks specified in the tracker.
Audio interface options can be set up by means of remote command (via server or SMS) and
using the AG.GSMConf software.
AutoGRAPH controller has a built-in charger to charge an external backup battery. When
the controller is powered by the vehicle power system, the power supply driver turns on
the charger. The controller sends a notification to a preset phone number when the backup
battery voltage falls below the threshold.
RS-232 (EIA/TIA-232-E)*
Battery charger
– Functionality available only in extended modifications of AutoGRAPH controllers. See detailed information in the section
“Technical Specifications”.
