User's Guide
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
- Scan Lists
- Scan
- Call Alert Paging
- Emergency Operation
- Man Down
- Secure Operations
- Trunking System Controls
- Mission Critical Wireless - Bluetooth® -
- Turning the Bluetooth On
- Turning the Bluetooth Off
- Re-Pair Timer
- Bluetooth Drop Timer
- Pairing the Bluetooth Device with the Radio
- Indicating the Bluetooth Connection is Lost
- Turning the Bluetooth Audio On (Routing the Audio from the Radio to the Headset)
- Turning the Bluetooth Audio Off (Routing the Audio from the Headset to the Radio)
- Adjusting the Volume of the Radio from Bluetooth Audio Device
- Clearing All Bluetooth Devices Information
- Utilities
- Using the Flip Display
- Selecting a Basic Zone Bank
- Selecting an Enhanced Zone Bank
- Selecting the Power Level
- Controlling the Display Backlight
- Locking and Unlocking the Controls
- 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)
- Voice Announcement
- Helpful Tips
- Accessories
- Appendix: Maritime Radio Use in the VHF Frequency Range
- Glossary
- Commercial Warranty
Advanced Features
English
54
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.
APX_7000_TopD.book Page 54 Wednesday, November 2, 2011 5:31 PM