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English
RADIO OVERVIEW
On/Off/Volume Knob
Turns the radio on or off, and adjusts the radio’s
volume.
Mode Selector Knob
Selects the required operation mode.
Push-to-Talk (PTT) Button
Press and hold down this button to talk; release to
listen.
LED Indicator
Indicates status of radio operating conditions (see
table below):
Microphone
When sending a message, hold the microphone 1 to
2 inches (2.5 to 5 cm) away from your mouth, and
speak clearly into the microphone.
Programmable Buttons
Several of your radio buttons can be programmed (by
using the Customer Programming Software — CPS)
to activate the radio features.
Programmable buttons are:
• Top button
• Three side buttons
Check with your dealer or Motorola representative for
a complete list of the functions your radio’s
programmable buttons support.
With PTT Switch Pressed (Radio Transmitting)
Steady red
Radio is transmitting (PTT button
pressed)
LED unlit Radio is not transmitting
Blinking red
Low battery (conventional mode
only; programmable by
authorized Motorola dealer).
Momentary
green
Radio has powered-up
successfully
With PTT Released (Radio Receiving)
Blinking red
Mode busy (conventional
mode only)
Blinking green
Receipt of a telephone call,
Private Conversation call, or
Call Alert page
20L01-A_PR_UG_MTX4500.book Page 7 Friday, April 13, 2007 2:47 PM
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