Motorola EMS APX 7500 User Manual - Page 10

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Also for Motorola EMS APX 7500: Brochure (8 pages), Product Spec Sheet (5 pages)

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Push-To-Talk (PTT) Button

The PTT button on the side of the

microphone serves two basic

purposes:

•

While a call is in progress, the

PTT button allows the radio to

transmit to other radios in the

call.

Press and hold down PTT

button to talk. Release the PTT

button to listen.

The microphone is activated

when the PTT button is pressed.

•

While a call is not in progress, the PTT button is used to make

a new call. See Making a Radio Call on page 32 for more

information.

English

PTT

Button

11/2/15

LED Indicator

LED indicator shows the operational status of your radio.

Solid red

–

Radio is transmitting.

Rapidly blinking red

–

Radio has failed the self test upon

powering up or encountered a fatal error.

Solid yellow

–

Channel is busy.

Blinking yellow

–

Radio is receiving a secured transmission.

Solid green

–

Radio is powering up, or is on a non-priority

channel while in the Scan List Programming mode.

Blinking green

–

Radio is receiving an individual or telephone

call, or is on a Priority-Two channel while in the Scan List

Programming mode.

Rapidly blinking green

–

Radio is on a Priority-One channel

while in the Scan List Programming mode.

Red LED

Yellow LED

Green LED