User's Guide

Contents
English
vi
Text Messaging Service (TMS) . . . . . . . . . . . . . . . 63
Accessing the TMS Features . . . . . . . . . . . . . . . . . 64
Sending a Quick Text Message . . . . . . . . . . . . . . . 64
Using the Priority Status and Request Reply
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Appending a Priority Status to a Text Message . . . 65
Removing a Priority Status from a Text Message . 66
Appending a Request Reply to a Text Message . . 66
Removing a Request Reply from a Text Message 66
Appending a Priority Status and a Reply Request to a
Text Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Removing a Priority Status and a Reply Request from
a Text Message . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Managing Text Messages . . . . . . . . . . . . . . . . . . . 67
Receiving a Text Message . . . . . . . . . . . . . . . . . . 67
Viewing a Text Message from the Inbox . . . . . . . . 68
Replying to a Received Text Message . . . . . . . . . 68
Managing Sent Text Messages . . . . . . . . . . . . . . . 69
Viewing a Sent Text Message . . . . . . . . . . . . . . . . 69
Sending a Sent Text Message . . . . . . . . . . . . . . . 70
Deleting a Text Message . . . . . . . . . . . . . . . . . . . . 70
Deleting All Text Messages . . . . . . . . . . . . . . . . . . 71
Secure Operations . . . . . . . . . . . . . . . . . . . . . . . . . 71
Selecting Secure Transmissions . . . . . . . . . . . . . . 71
Selecting Clear Transmissions . . . . . . . . . . . . . . . . 72
Managing Encryption . . . . . . . . . . . . . . . . . . . . . . . 72
Loading an Encryption Key . . . . . . . . . . . . . . . . . . 72
Using the Multikey Feature . . . . . . . . . . . . . . . . . . 72
Selecting an Encryption Key . . . . . . . . . . . . . . . . .73
Selecting a Keyset . . . . . . . . . . . . . . . . . . . . . . . . .73
Erasing the Selected Encryption Keys . . . . . . . . . .74
Requesting an Over-the-Air Rekey
(ASTRO Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
MDC Over-the-Air Rekeying (OTAR) Page . . . . . .75
Hear Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
The Global Positioning System (GPS) . . . . . . . . . . 76
Understanding the GPS Feature . . . . . . . . . . . . . . .76
Enhancing GPS Performance . . . . . . . . . . . . . . . . .77
The Outdoor Location Feature (Using GPS) . . . . . .77
Accessing the Outdoor Location Feature . . . . . . . .78
Saving a Waypoint . . . . . . . . . . . . . . . . . . . . . . . . .79
Viewing a Saved Waypoint . . . . . . . . . . . . . . . . . . .80
Deleting a Single Saved Waypoint . . . . . . . . . . . . .80
Deleting All Saved Waypoints . . . . . . . . . . . . . . . .81
Measuring the Distance and Bearing from a
Saved Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Using the Location Feature While in
Emergency Mode . . . . . . . . . . . . . . . . . . . . . . . . . .82
Trunking System Controls . . . . . . . . . . . . . . . . . . . 82
Using the Failsoft System . . . . . . . . . . . . . . . . . . . .82
Going Out of Range . . . . . . . . . . . . . . . . . . . . . . . .83
Using the Site Trunking Feature . . . . . . . . . . . . . . .83
Locking and Unlocking a Site . . . . . . . . . . . . . . . . .83
Viewing and Changing a Site . . . . . . . . . . . . . . . . .84
Viewing the Current Site . . . . . . . . . . . . . . . . . . . . .84
Changing the Current Site . . . . . . . . . . . . . . . . . . .84