Midland Syn-Tech III P25 Instrucciones de operaciones descargar pdf (Pagina 13)

Syn-Tech III P25 Portable Radio

OPERATION MANUAL

680-090-2040

Version 6.4

http://www.midlandradio.com

3.2 Button and Key Functions

Below is a brief description of the default operation 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 reassigned or 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 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.

3.2.1 On-Off/Volume Knob

Rotate the On-Off/Volume Knob clockwise past the detent to turn the radio on. Rotate

the knob further clockwise to increase the speaker volume and counter-clockwise to

decrease the volume. Rotate the On-Off/Volume Knob fully counter-clockwise past the

detent to turn the radio off.

3.2.2 Channel Switch

The channel switch provides direct access to channels 1-16 in the current zone. In the

sixteenth position, the channel up/channel down and direct channel entry modes may

be available.

3.2.3 Emergency Call Button

The emergency button initiates emergency mode. The emergency function is only

available in digital mode. The emergency button must be pressed for a programmed

activation time. Once emergency mode is activated, the radio will switch to the

emergency channel and initiate five TSBK type 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.

3.2.4 Alpha-Numeric keypad

When the channel switch is in the sixteenth position, the alpha-numeric keypad may

provide 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.

Direct channel entry mode is only available if more than sixteen channels

are programmed in the zone.

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Midland Syn-Tech III P25 Instrucciones de operaciones Pagina 13