1
English
CONTENTS
COMPUTER SOFTWARE
COPYRIGHTS . . . . . . . . . . . . . . . . . . . . . . 4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Radio Overview . . . . . . . . . . . . . . . . . . . . 6
Parts of the Radio . . . . . . . . . . . . . . . . . . . 6
MTX1550 and MTX4550 Models . . . . . 6
On/Off/Volume Knob. . . . . . . . . . . . . . . 7
Mode Selector Knob . . . . . . . . . . . . . . . 7
Push-to-Talk (PTT) Button . . . . . . . . . . 7
LED Indicator . . . . . . . . . . . . . . . . . . . . 7
Microphone . . . . . . . . . . . . . . . . . . . . . . 7
Programmable Buttons . . . . . . . . . . . . . 7
Keypad Keys (For Model II Radios
Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Menu Keys (For Model II Radios
Only) . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Selecting a Feature. . . . . . . . . . . . . . . 10
Menu Display . . . . . . . . . . . . . . . . . . . 11
LCD Screen and Icons . . . . . . . . . . . . 11
Alert Tone Indications . . . . . . . . . . . . . 12
Getting Started . . . . . . . . . . . . . . . . . . . . 14
Battery Information. . . . . . . . . . . . . . . . . . 14
Battery Care and Tips . . . . . . . . . . . . .14
Recycling or Disposal of Batteries . . . .15
Charging the Battery . . . . . . . . . . . . . .15
Accessory Information . . . . . . . . . . . . . . . .16
Attaching the Battery . . . . . . . . . . . . . .16
Removing the Battery. . . . . . . . . . . . . .16
Attaching the Antenna . . . . . . . . . . . . .17
Removing the Antenna. . . . . . . . . . . . .17
Attaching the Belt Clip . . . . . . . . . . . . .18
Removing the Belt Clip. . . . . . . . . . . . .18
Radio Operation . . . . . . . . . . . . . . . . . . . .19
Turning the Radio On or Off . . . . . . . . .19
Adjusting the Radio’s Volume . . . . . . .19
Radio Self Test. . . . . . . . . . . . . . . . . . .19
Basic Radio Calls . . . . . . . . . . . . . . . . . .20
Selecting a Zone and Mode. . . . . . . . . . . .20
Selecting a Zone (For Model II
Radios Only). . . . . . . . . . . . . . . . . . . . .20
Selecting a Mode . . . . . . . . . . . . . . . . .20
Receiving a Call. . . . . . . . . . . . . . . . . . . . .21
Making a Call. . . . . . . . . . . . . . . . . . . . . . .21
Conventional Modes. . . . . . . . . . . . . . .21
Trunked Modes . . . . . . . . . . . . . . . . . .21
Low-Battery Alert . . . . . . . . . . . . . . . . .22
Coded Squelch Operation . . . . . . . . . .22
CONTENTS
20L01-A_PR_UG_MTX4500.book Page 1 Friday, April 13, 2007 2:47 PM
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