User's Manual
Table Of Contents
- Declaration of Conformity
- Important Safety Information
- Software Version
- Informations importantes sur la sécurité
- Version du logiciel
- 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
- Man Down
- Automatic Registration Service (ARS)
- Text Messaging Service (TMS)
- Accessing the Messaging 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
- ASTRO 25 Advanced Messaging Solution
- Secure Operations
- Security
- The Global Positioning System (GPS)
- Understanding the GPS Feature
- Enhancing GPS Performance
- 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
- Mission Critical Wireless - Bluetooth® -
- Turning the Bluetooth On
- Turning the Bluetooth Off
- Re-Pair Timer
- Bluetooth Drop Timer
- Pairing Bluetooth Device with the Radio
- Indicating Bluetooth Connection is Lost
- Turning On the Bluetooth Audio (Routing the Audio from the Radio to the Headset)
- Turning Off the Bluetooth Audio (Routing the Audio from the Headset to the Radio)
- Adjusting the Volume of the Radio from Bluetooth Audio Device
- Viewing and Clearing the Bluetooth Device Information
- Editing the Bluetooth Friendly Name
- Programming Over Project 25 (POP 25) (ASTRO 25 and ASTRO Conventional)
- Utilities
- Viewing the Recent Calls
- Using the Flip Display
- Selecting a Basic Zone Bank
- Selecting an Enhanced Zone Bank
- Selecting the Power Level
- Selecting a Radio Profile
- Enabling and Disabling the Radio Alias
- Selecting the Audio Speaker
- Controlling the Display Backlight
- Locking and Unlocking the Keypad and Controls
- Turning Keypad Tones On or Off
- Turning Voice Mute On or Off
- Using the Time-Out Timer
- Setting the Time and Date
- Using the Conventional Squelch Operation Features
- Using the PL Defeat Feature
- Using the Digital PTT ID Feature
- Using the Smart PTT Feature (Conventional Only)
- IMPRES™ Battery Annunciator
- Accessing the General Radio Information
- Voice Announcement
- Accessories
- Appendix: Maritime Radio Use in the VHF Frequency Range
- Glossary
- Commercial Warranty
Advanced Features
English
124
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 to a channel. The radio will
also unmute to any digital activity on a digital channel.
Procedure:
Place the preprogrammed PL Defeat switch in the PL Defeat
position. 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.
Option Result
SRX_2200_M3.book Page 124 Tuesday, April 3, 2012 5:13 PM