User's Guide
Table Of Contents
- Declaration of Conformity
- Important Safety Information
- Software Version
- Computer Software Copyrights
- Documentation Copyrights
- Disclaimer
- Getting Started
- Preparing Your Radio for Use
- Identifying Radio Controls
- Identifying Status Indicators
- General Radio Operation
- Advanced Features
- Advanced Call Features
- Contacts
- Scan Lists
- Scan
- Call Alert Paging
- Emergency Operation
- Automatic Registration Service (ARS)
- Text Messaging Service (TMS)
- Accessing the TMS Features
- Composing and Sending a New Text Message
- Sending a Quick Text Message
- Using the Priority Status and Request Reply Features
- Appending a Priority Status to a Text Message
- Removing a Priority Status from a Text Message
- Appending a Request Reply to a Text Message
- Removing a Request Reply from a Text Message
- Appending a Priority Status and a Reply Request to a Text Message
- Removing a Priority Status and a Reply Request from a Text Message
- Managing Text Messages
- Managing Sent Text Messages
- Secure Operations
- Security
- The Global Positioning System (GPS)
- Understanding the GPS Feature
- Enhancing GPS Performance
- Using the Outdoor Location Feature (Using GPS)
- Accessing the Outdoor Location Feature
- Saving a Waypoint
- Viewing a Saved Waypoint
- Editing the Alias of a Waypoint
- Editing the Coordinates of a Waypoint
- Deleting a Single Saved Waypoint
- Deleting All Saved Waypoints
- Measuring the Distance and Bearing from a Saved Waypoint
- Using the Location Feature While in Emergency Mode
- Trunking System Controls
- Ignition Switch Options
- Utilities
- Viewing the Recent Calls List
- Selecting the Power Level
- Selecting a Radio Profile
- Toggling the Day or Night Display Mode
- Selecting the Stealth Mode
- Turning Keypad Tones On or Off
- Turning Voice Mute On or Off
- Using the Time-Out Timer
- Using the Conventional Squelch Operation Features
- Using the PL Defeat Feature
- Using the Digital PTT ID Feature
- Using the Smart PTT Feature (Conventional Only)
- Accessing the General Radio Information
- Using the Directional Buttons
- Using the Siren Control Keyapad
- Using the Manual Siren Button for Manual Siren Tone
- Using the Manual Siren Button as Siren Types Selector
- Using the Public Address Button
- Using the Response Selector
- Using External Alarms (Horn and Lights)
- Using the Gun Lock
- Using the Voice Announcement
- Using the Action Consolidation Mode
- Helpful Tips
- Accessories
- Appendix: Maritime Radio Use in the VHF Frequency Range
- Glossary
- Commercial Warranty
- Notes
Advanced Features
English
100
Using the Conventional Squelch Operation
Features
This feature filters out unwanted calls with low signal strength or
channels that have a higher than normal background noise.
Analog Options
Tone Private Line (PL), Digital Private-Line (DPL), and carrier
squelch can be available (preprogrammed) per channel.
Digital Options
One or more of the following options may be preprogrammed in
your radio. Check with your dealer or system administrator for
more information.
Using the PL Defeat Feature
This feature allows you to override any coded squelch (DPL or
PL) that might be preprogrammed in a channel. The radio also
unmutes to any digital activity on a digital channel.
Procedure:
Remove the microphone from the hub to enable the PL Defeat
feature. You hear any activity on the channel.
OR
The radio is muted if no activity is present.
Note: When this feature is active, the Carrier Squelch status
indicator is displayed.
Mode Result
Carrier squelch (C) You hear all traffic on a channel.
PL or DPL
The radio responds only to your
messages.
Option Result
Digital Carrier-Operated
Squelch (COS)
You hear any digital traffic.
Normal Squelch
You hear any digital traffic having
the correct network access code.
Selective Switch
You hear any digital traffic having
the correct network access code
and correct talkgroup.
O9Head_68007024014_b.book Page 100 Wednesday, October 20, 2010 2:28 PM