Syn-Tech III P25 Portable Radio

OPERATION MANUAL

3.2Button and Key Functions

Below is a brief description of each button or key. For more details of each function refer to the operation section of this manual. Many of the functions may be disabled by radio programming or unavailable because of the current analog/digital mode selection. Many of the buttons have a short press, or press and release function, and a long press, or press and hold function. The short press is function is performed if the button is pressed for less than one second, and the long press function is performed if the button is pressed for more than one second.

3.2.1Channel Switch

The channel switch provides direct access to channels 1-15 in the current zone. In the sixteenth position, the up/down and direct channel entry modes are available. If the channel switch is in the sixteenth position, the radio will power on to last selected channel. In any other position, the radio will power on to the switch-selected channel.

3.2.2 Emergency Call Button

The emergency button initiates emergency mode. The emergency function is only available in digital mode. The emergency key must be pressed for five seconds to activate the emergency function. Once emergency mode is activated, the radio will switch to emergency channel and initiate five SBC emergency transmissions. The emergency bit will be set on all user initiated digital transmissions until the emergency is cleared by a long press of the keypad lock key or the radio is turned off.

3.2.3Alpha-Numeric keypad

The alpha-numeric keypad provides direct channel select from standby mode. The alpha-numeric keypad also generates DTMF tones while PTT is pressed on analog channels and enters alpha-numeric characters within other functions.

3.2.4Up/Down keys

The up/down keys provide up/down channel select from standby mode. The up/down keys are generally used to scroll through lists within other functions.

3.2.5 Left soft key (Menu)

The left soft key enters the menus from standby mode. The left soft key is generally used as SELECT or OK within other functions.

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Midland Radio P25 Button and Key Functions, Channel Switch, Emergency Call Button, Alpha-Numeric keypad, 4 Up/Down keys