User's Manual
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
- Multiple Control Head Features
- Contacts
- Scan Lists
- Scan
- Call Alert Paging
- Emergency Operation
- Automatic Registration Service (ARS)
- Text Messaging Service (TMS)
- Secure Operations
- Managing Encryption
- Loading a Single Encryption Key
- Loading the Group Encryption Keys
- Using the Multikey Feature
- Selecting an Encryption Key (Conventional Only)
- Enabling Secure Transmission
- Accessing the Secure Feature
- Selecting a Keyset
- Erasing the Selected Encryption Keys
- Requesting an Over-the-Air Rekey
- MDC Over-the-Air Rekeying (OTAR) Page
- Hear Clear
- Managing Encryption
- 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
- Ignition Switch Options
- Utilities
- Viewing Recent Calls List
- Selecting the Power Level
- Selecting a Radio Profile
- Controlling the Display Backlight
- 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 General Radio Information
- Using Optional External Alarms (Horn and Lights)
- Using the Voice Announcement
- Helpful Tips
- Accessories
- Appendix: Maritime Radio Use in the VHF Frequency Range
- Glossary
- Commercial Warranty and Service
General Radio Operation
English
34
Trunked Modes Only:
1 Press the PTT button.
2 If you hear two, short, high-pitched tones, or if you hear no
tone and the t indicator lights steadily, then proceed with
your message.
3 Release the PTT button to receive (listen).
If you are not in the range of the system, you may hear a
continuous low-pitched tone and the display shows
OUT OF
RANGE
.
Conventional Mode Operation
This feature allows you to monitor channel traffic on
conventional channels by defeating the coded squelch. Thus
you can to listen to another user active on the channel. This
way, you may be prevented from talking over someone else’s
conversation.
Note: This feature must first be enabled by a qualified radio
technician or system administrator.
Procedure:
Take the control head off hook. (This is the same as monitor on.
You hear all channel traffic.)
OR
1 At Home mode where the default zone and channel are
being displayed, > or < button to MON.
2 Press the Menu Select button directly below MON
momentarily to activate monitoring. The display shows
MONITOR ON.
3 Press the Menu Select button to deactivate the monitoring.
The display shows MONITOR OFF.
MONITOR ON
shown on the display indicates that the radio is
monitoring. Pressing the Menu Select button again turns
monitor off and you don’t hear all channel traffic.
If you try to transmit on a receive-only channel, you hear an
invalid tone until you release the PTT button.
O5Head_6875947M01_C.book Page 34 Wednesday, October 20, 2010 12:13 PM