2-6 FEATURES AND BENEFITS
Full Serial (Simple and Advanced) :
The basic difference between Simple and Advanced Full Serial is in the number of commands
supported. The Advanced Full serial supports more commands than the Simple Full Serial interface,
thus allowing more radio feature controls accessible to the Advance Full Serial board.
The Full Serial interface acts as an advanced Bi-directional interface to the radio, it provides the
following capabilities to an option board designer :
1. Serial Peripheral Interface (SPI) based Bi-directional Communication between the option
board and the radio
2. Hardware Auto PTT (key-up) capability
3. Unmuted Receiver Audio Path, and Transmitter Audio Path Access
4. Download conÞguration data to the option board upon radio power up and channel change
5. Provides high level software interface between radio and option board
6. Capable of updating the radio status to the option board
7. Message Control from option board to radio.
Typical applications include :
■
■
Trunking Application (ie: SmartTrunk II)
For information regarding the operation of these third-party option boards, and the considerable
beneÞts they provide, please contact the appropriate supplier. Recommended third-party supplier
internet sites are:
SmarTrunk Systems Inc http://www.smartrunk.com/
Transcrypt International http://www.transcrypt.com/
3.2 Ergonomic Features
3.2.1 Rotary Channel Selector
The rotary channel selector knob is conveniently located on the top of the radio to allow easy
operation, even when the radio is attached to the user's belt and is being operated from above.
The channel positions are clearly labelled, allowing the user to instantly determine the selected
channel.
The knob itself has been designed to make it easy to operate, even when the user's hands are cold
or gloved.
3.2.2 Microphone Label
The built-in radio microphone is clearly labelled "MIC".
This prevents users from obstructing the microphone while transmitting and clearly indicates which
part of the radio the user should speak into to ensure optimal audio clarity.
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