User's Manual

Introduction

Nothing Comes Close to a Cobra

Getting Started

Backlight/Key Lock Button

The LCD will be illuminated by the backlight as long as any

button is pressed and will remain On for 10 seconds after

the button is released.

To Display the Backlight Momentarily:

Press the Backlight/Key Lock button. The backlight will

remain On for 10 seconds. If the backlight is already

On, another press of the Backlight/Key Lock button

will turn it Off.

Key Lock

To prevent accidental changes to your settings, you

can lock all of the following buttons:

 Channel Up Button

 Channel Down Button

 SCAN Button

 MEM/ESC Button

 WX/H-M-L Button

 16/9 Button

 TRI-WATCH Button

 BAND Button

 REW Button

 Call/Enter/Setup Button

To Lock or Unlock the Buttons:

Press and hold the Backlight/Key Lock button for two

(2) seconds. The Key Lock icon will appear or

disappear in the LCD. When Key Lock is On, pressing

any of the listed buttons on the front of the radio will

result in a three (3) beep error message.

Both the Backlight/Key Lock button and the Talk

button are active — you can Receive (Rx) or Transmit

(Tx) a message with Key Lock On, but you cannot

change the channel.

Operating Your Radio

Backlight/Key Lock Button

Key Locked Buttons

Key Lock Icon

MRHH425VP-Body-Eng.qxp:400_Body 10/26/06 1:37 PM Page 41