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3.3 Interconnections
3.3.1 USB Connection
The USB connector is used for charging the battery and for data communication. The
unit will charge from a laptop computer, AC to USB power adapter, or vehicle power to
USB adapter. (See Figure 3)
Data communications with the Mini-MT is also performed through the USB connector.
The USB connection is used to configure or customize the Mini-MT operation. This
connection also is used to provide GPS NMEA data to a mapping or user application.
3.3.2 Headphone Jack
The headphone jack provides the user with the ability to connect a headset (not supplied)
when the speakerphone mode is not desirable. (See Figure 3)
3.3.3 Speaker
An integrated speaker allows the user to make a phone call to the pre-configured dispatch
number when in hands-free mode. The user can adjust the volume to a comfortable level
using the volume up (‘+’) or down (‘-’) buttons.
!
WARNING
The Mini-MT is used in speaker phone or headset use only. Do not
use the device held up to the head . The audio levels and SAR ratings
have not been approved for use in this manner.
3.3.4 Microphone
A built-in sensitive microphone allows the user to communicate with the dispatcher
comfortably at up to 3 feet away for hands-free operation.
3.3.5 SIM
A SIM cardholder is located under the battery on the bottom of the Mini-MT. The SIM
card is required to enable the voice and data communication capabilities of your Mini-
MT device.
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