User Manual
Table Of Contents
- Contents
- Declaration of Conformity
- Important Safety Information
- Notice to Users (FCC and Industry Canada)
- 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
- Quick Call II (ASTRO P25 Digital Trunking and Conventional)
- Emergency Operation
- Sending an Emergency Alarm
- Sending an Emergency Call (Trunking Only)
- Sending An Emergency Call With Hot Mic (Trunking Only)
- Sending an Emergency Alarm with Emergency Call
- Sending An Emergency Alarm and Call with Hot Mic
- Sending a Silent Emergency Alarm
- Change of Channels during Emergency
- Emergency Keep-Alive Feature
- Fireground
- Automatic Registration Service (ARS)
- Text Messaging Service (TMS)
- Sending a Quick Text Message
- Priority Status and Request Reply of a New Text Message
- 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
- Receiving a Text Message
- Viewing a Text Message from the Inbox
- Replying to a Received Text Message
- Sent Text Messages
- Deleting a Text Message
- Deleting All Text Messages
- Secure Operations
- Global Positioning System/Global Navigation Satellite System
- GPS Operation
- GPS Performance Enhancement
- The Outdoor Location Feature (Using GPS)
- Military Grid Reference System (MGRS) Coordinates
- Accessing the Outdoor Location Feature
- Saving a Waypoint
- Viewing a Saved Waypoint
- Deleting a Single Saved Waypoint
- Deleting All Saved Waypoints
- Measuring the Distance and Bearing from a Saved Waypoint
- Location Feature in Emergency Mode
- Geofence (ASTRO 25 Trunking System)
- Trunking System Controls
- Bluetooth
- Turning On Bluetooth
- Turning Off the Bluetooth
- Re-Pair Timer
- Bluetooth Drop Timer
- Radio Indications of Lost Bluetooth Connection
- Standard Pairing Feature
- PIN Authentication in Pairing
- Turning On the Bluetooth Audio
- Turning Off the Bluetooth Audio
- Adjusting the Volume of the Radio from Bluetooth Audio Device
- Viewing and Clearing the Bluetooth Device Information
- Clearing All Bluetooth Devices Information
- Voice Announcement
- Site Selectable Alerts (ASTRO 25)
- Utilities
- Viewing Recent Calls
- 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 Controls
- Turning the Controls and Buttons Tones On or Off
- Turning Voice Mute On or Off
- Using the Time-Out Timer
- Using Conventional Squelch Operation Features
- Using the PL Defeat Feature
- Digital PTT ID Support
- Smart PTT Feature (Conventional Only)
- Transmit Inhibit
- IMPRES Battery Annunciator
- General Radio Information
- Helpful Tips
- Accessories
- Maritime Radio Use in the VHF Frequency Range
- Glossary
- Limited Warranty
Mode Description
two PTT button presses within the
preprogrammed time limit.
Transmit Inhibit
This feature is available for APCO 25 trunking, Type II
trunking and Conventional operations for all APX radios.
When Transmit Inhibit feature is enabled, the radio stops all
transmission including voice and data. The radio can
receive messages but is not able to reply the
acknowledgment request of the received message.
User can physically control the transmission of the radio
especially during operation in hazardous environments with
this feature. An environment is considered hazardous when
the power emitted by the radio power amplifier could initiate
an explosion or other dangerous reactions.
When the Transmit Inhibit feature is disabled, the radio
functions according to its normal operations.
The radio sounds alert tone when user enters or exits this
feature and also when PTT is pressed.
NOTICE:
Acknowledgement of any messages required from
the radio is not transmitted if the Transmit Inhibition
is enabled.
Enabling Transmit Inhibition
Perform one of the following actions:
• Switch the preprogrammed Transmit Inhibit
switch to Transmit Inhibit enabled.
• or to TxIn. Press the Menu Select button
below TxIn.
• Press the Transmit Inhibit programmable button.
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