Operator's Manual
Table Of Contents
- Front Cover
- Preface
- Table of Contents
- Welcome to the OpenSky Network
- Network Organization
- Getting Started
- Display Screen Functions
- How to set your Dwell Display Selection
- How to set your Operational Mode
- How to set your Active Profile
- How to set your Active Talkgroup
- How to Assign Priority to a Talkgroup
- How to Lock Out a Listen Group
- How to Unlock a Listen Group
- How to set your Scan Mode
- How to Change the Channel
- How to Enable or Disable Side Tones
- How to Change Screen Brightness
- Basic Radio Operations
- How to Turn Your Radio On
- How to Log On to the Network
- How to Read the Self-Test Results
- How to Turn Your Radio Off
- How to Change the Volume
- How to Take a Voice Call
- How to Make a Voice Call
- What the Beeping Means
- How to Place a Talkback Call
- How to Place an Emergency Call
- Advanced Radio Operations
- How to Re-Provision for an Emergency
- How to Place Talkaround Calls
- CH-103 Control Head
- VTac Vehicular Tactical Network
- Indexes and Tables
- I
- Index
CHAPTER 4—Display Panel Functions
46 M-803 Operator Manual Software Version OTP 5.07
3.) If the word NONE appears in the top line, you
haven’t received any voice calls from user groups
in this profile, so Lock Out is not an option.
4.) Use the Left and Right buttons to cycle through
the list of candidates, if any, until the user group
you want to Lock Out appears onscreen.
5.) Press the Select button to activate the fail-safe
Confirmation process.
6.) Use the Left or Right button to cycle through the
confirmation options: Confirm?Y to lock out the
group; Confirm?N to remove a lock.
7.) Press the Select button to confirm your choice.
Your selected Dwell Display will appear as soon as the
M-803 accepts your Lockout choice.
Ø How to Unlock a Listen Group
1.) Use the Up and Down buttons to cycle through
the Menu choices until LockOutMenu appears.
2.) Your display screen shows LockOutMenu in the
bottom line and, in the top line, the name of a user
group from your active profile you’ve received a
voice call from since Powering Up.
3.) If the word NONE appears in the top line, you
haven’t received any voice calls from user groups
in this profile, so Lock Out is not an option.










