Motorola B7 operating instructions MTX Series Radio Model B5

8 Getting Started (cont.)

3two-position concentric switch

5 LED indicator

	11	13
	9	15
	7	1
	5	3
4 three-position	A	6 emergency button
(ABC) toggle switch	B

C

2 channel selector

1on/off/volume control

Controls, Switches, Indicators, and Connectors

1	On/Off/Volume Control – Turns the radio on and off and adjusts the volume
	level.
2	Mode Selector Knob – Selects the operating system/mode; maximum of 15
	systems plus conventional operation.
3	Two-Position Concentric Switch – Not used.
4	Three-Position (A B C) Toggle Switch – Programmed at shipment to turn scan
	on (position B) and turn scan off (position A). Position C not programmed at
	shipment.
5	LED Indicator – Indicates the radio's operating status; green/red light-emitting
	diode (LED). (See “Indicator LED Indications" paragraph.)
6	Orange Top Button – Programmed at shipment as telephone receive button.
	Programmable via RSS for telephone encode or volume set.
7	Side Button 1 – Programmed at shipment to control the display backlight; also,
	when scanning, used to delete a “nuisance channel”. Used as the “select”
	button when programming the radio.
8	Side Button 2 – Unprogrammed at shipment, but programmable via RSS for
	call alert (page) encode.

7side button 1

8side button 2

9side button 3 (monitor)

10push-to-talk (PTT) switch

11display

	13	universal
		connector
MTX	12	microphone
	14	noise-
		cancelling
		port

9	Side Button 3 – Programmed at shipment as the “Private ConversationTM”
	response button.
10	Push-To-Talk (PTT) Switch – Engages the transmitter and puts the radio in the
	transmit mode.
11	Display – Provides visual information about many of the radio’s features.
12	Microphone Port – Accepts voice input to the radio’s microphone.
13	Universal Connector – Provides access for programming, testing, and
	accessory connections.
14	Noise-Cancelling Port – Reduces background noise during transmission.

15keypad

HOME

15 Keypad – Provides numeric entry of ID numbers, phone numbers, etc.

MTX Series Radio – Model B5