Operating instructions

Contents
English
vi
Appending a Priority Status to a Text Message . . . 68
Removing a Priority Status from a Text Message . 69
Appending a Request Reply to a Text Message . . 69
Removing a Request Reply from a Text
Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Appending a Priority Status and a Reply Request
to a Text Message . . . . . . . . . . . . . . . . . . . . . . . . . 69
Removing a Priority Status and a Reply Request
from a Text Message . . . . . . . . . . . . . . . . . . . . . . . 70
Managing Text Messages . . . . . . . . . . . . . . . . . . . 70
Receiving a Text Message . . . . . . . . . . . . . . . . . . 70
Viewing a Text Message from the Inbox . . . . . . . . 71
Replying to a Received Text Message . . . . . . . . . 71
Accessing the Drafts Folder . . . . . . . . . . . . . . . . . . 72
Managing Sent Text Messages . . . . . . . . . . . . . . . 73
Viewing a Sent Text Message . . . . . . . . . . . . . . . . 73
Sending a Sent Text Message . . . . . . . . . . . . . . . 74
Deleting a Text Message . . . . . . . . . . . . . . . . . . . . 74
Deleting All Text Messages . . . . . . . . . . . . . . . . . . 75
Secure Operations . . . . . . . . . . . . . . . . . . . . . . . . . 76
Enabling the Secure Transmission . . . . . . . . . . . . . 76
Managing Encryption . . . . . . . . . . . . . . . . . . . . . . . 76
Loading the Encryption Key(s) . . . . . . . . . . . . . . . 76
Using the Multikey Feature . . . . . . . . . . . . . . . . . . 77
Selecting an Encryption Key . . . . . . . . . . . . . . . . . 77
Selecting a Keyset . . . . . . . . . . . . . . . . . . . . . . . . . 78
Erasing the Selected Encryption Keys . . . . . . . . . . 78
Requesting an Over-the-Air Rekey (ASTRO
Conventional Only) . . . . . . . . . . . . . . . . . . . . . . . . .79
MDC Over-the-Air Rekeying (OTAR) Page . . . . . .79
Hear Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Using the Radio Lock . . . . . . . . . . . . . . . . . . . . . . .80
Unlocking Your Radio . . . . . . . . . . . . . . . . . . . . . . .80
Changing Your Password . . . . . . . . . . . . . . . . . . . .81
Enabling or Disabling the Radio Lock Feature
(Secure Radios Only) . . . . . . . . . . . . . . . . . . . . . . .82
The Global Positioning System (GPS) . . . . . . . . . . 82
Understanding the GPS Feature . . . . . . . . . . . . . . .82
Enhancing GPS Performance . . . . . . . . . . . . . . . . .83
Using the Outdoor Location Feature (Using GPS) .83
Accessing the Outdoor Location Feature . . . . . . . .84
Saving a Waypoint . . . . . . . . . . . . . . . . . . . . . . . . .85
Viewing a Saved Waypoint . . . . . . . . . . . . . . . . . . .86
Editing the Alias of a Waypoint . . . . . . . . . . . . . . . .86
Editing the Coordinates of a Waypoint . . . . . . . . . .87
Deleting a Single Saved Waypoint . . . . . . . . . . . . .88
Deleting All Saved Waypoints . . . . . . . . . . . . . . . .89
Measuring the Distance and Bearing from a
Saved Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Using the Location Feature While in Emergency
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Trunking System Controls . . . . . . . . . . . . . . . . . . . 90
Using the Failsoft System . . . . . . . . . . . . . . . . . . . .90
O9Head_68007024014_a.book Page vi Wednesday, June 9, 2010 5:36 PM