Motorola MTP8550Ex Feature User Manual page 33

Annotation Description
2 Rotary Knob
• Rotate to set the volume.
• Press and rotate to select a different talkgroup.
• Press and hold the Rotary Knob to lock/unlock it. Powering the radio off
and on also unlocks a locked Rotary Knob.
3 Programmable Side buttons
The Programmable Side buttons support the One-Touch Button feature. By
default the upper Programmable Side button is set to Toggle Backlight Inten-
sity and the lower Programmable Side button is set to switch between
Trunked Mode Operation and Direct Mode Operation.
4 Earpiece
5 Push-To-Talk (PTT) button
Press and hold to talk in simplex calls, release it to listen.
6 Soft key
Press Left or Right Soft key, to select the option that appears above.
7 Send key
• Press to initiate or answer full duplex calls, or send messages.
• Press in home screen to enter Recent Dialed Calls.
8 Keypad
Use the keypad to enter alphanumeric characters for dialing, contact entries,
and text messages.
The keys (0-9, * and #) support the One-Touch Button feature. Press and hold
a key to activate a one-touch function assigned to it.
9 Bottom Microphone
Activated during Duplex low audio calls such as Private Calls.
10 Antenna
11 Top LED Display
Features a high resolution of 200 x 112 pixels screen with 262,144 colors.
12 Emergency Button
Press and hold the Emergency button to start Emergency Operations. By de-
fault, when your radio is off, press and hold to power on in Emergency Opera-
tions.
13 LED Coverage Indicator
For ultimate safety, the radio is fitted with an LED Coverage Indicator to show
when coverage is poor.
14 Nameplate
To use a stick-on labels or external markers to easily identify the radio.
NOTICE: The required time to press and hold a button to activate a
One-Touch Button feature is by default set to 0.1 second.
NOTICE: The required time to press and hold a button to activate a
One-Touch Button feature is by default set to 1 second.
MN002041A01-AH
Chapter 2: Getting Started
33