Related Manuals for Raven M4x
Summary of Contents for Raven M4x
- Page 1 RAVEN ELECTRONICS CORPORATION SNR Voter/Comparator User Manual Lit. No. M100V Rev. A 1/3/11...
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Page 2: Table Of Contents
3.1 Using the Wizard to Create a Raven SNR Vote Group ..................8 3.2 Manually Modifying a Raven SNR Vote Group ....................17 Chapter 4: Modifying the Configuration of a Member of a Raven SNR Vote Group ..........18 4.1 Modifying a Receiver’s SNR Settings ........................19 4.2 Modifying a Transmitter’s Keying Options ...................... - Page 3 Contact Raven Thank you for purchasing the M4x Blade from Raven Electronics Corporation. Please contact us if you have any questions, concerns, product ideas, or suggestions on how to improve this manual. We can be contacted Raven Electronics Corporation 400 Edison Way...
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Page 4: Chapter 1: Raven M4X Snr Voter/Comparator Features
Raven M4x Blade. Further, vote group configurations can be “burned” to the flash memory on the M4x Blade so that a host PC isn’t needed to control the vote group. Lit. No. M100V Rev. A 1/3/11... -
Page 5: Chapter 2: Raven M4X Snr Voter/Comparator Hardware Interface
Once the audio is converted to the digital domain, it can be bridged with any other port in the system using the switching fabric provided by the backplane upon which the M4x modules ride. - Page 6 Figure 2. Pinout for a Raven M4x 476-150/151 Module There’s a USB port on the rear of the Raven M4x Blade. This USB port is used by the Raven M4x Communication System Software to control and configure the M4x Blade. The M4x Blade is powered by a source of 9 to 18VDC;...
- Page 7 Figure 3. Raven M4x Blade Rear Panel Power and USB Connections Lit. No. M100V Rev. A 1/3/11...
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Page 8: Chapter 3: Creating A Raven Snr Vote Group Using The M4X Software
Chapter 3: Creating a Raven SNR Vote Group Using the M4x Software To create a Raven SNR Vote Group, start the Raven M4x Software and attach to the Raven M4x Blade (as explained in the Raven M4x Communication System user manual). - Page 9 Vote Group is to be a Main Voter/Comparator or a Sub-comparator. A Sub-comparator feeds into the Main Voter/Comparator and allows voting to extend past the 8 port limit of an M4x Blade. Any transmission path (i.e., a console, a repeater, or a transmitter MUST reside on the Main Voter/Comparator.
- Page 10 STEP 5 A console can be assigned “console priority”, if necessary. When enabled, the console priority feature gives priority to any audio coming from the console (over any audio coming from a voted receiver). To assign priority to a console, check the “Priority” check box.
- Page 11 STEP 7 The Raven SNR Voter/Comparator can start voting on any one of these unsquelch indicators: • • Lack of 2175Hz status tone • Lack of 1950Hz status tone • Choose your unsquelch indicator for each vote/receiver. Note: A receiver can be removed from the voting pool while the vote group is active by clicking the “Disable”...
- Page 12 STEP 9 You can designate any transmitter as a “default” transmitter. Default transmitters transmit console audio when steering isn’t active. Check the “Default Transmitter” check box to designate a transmitter as a default transmitter. STEP 10 Any transmitter can be configured to transmit audio from any voted receiver.
- Page 13 STEP 12 The transmitters in a Raven SNR Vote Group can be manually steered using function tones from a console. Click the “TX Options” button under the “Manual Steering Options”...
- Page 14 When a console generates the chosen function tone, the Raven SNR Vote Group will change to Manual Steering mode, and any transmitter that has been configured to be enabled (or disabled) by the chosen function tone will be enabled (or disabled).
- Page 15 “last-voted” receiver in that transmitter’s receiver routing. STEP 16 Finish creating the Raven SNR Vote Group by assigning a name to the vote group, and choose one of the options to enable and/or save the new vote group.
- Page 16 Once the vote group is enabled, it’s active and performing its voting functions. Note that the new vote group shows up in the “System Components” tree. Lit. No. M100V Rev. A 1/3/11...
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Page 17: Manually Modifying A Raven Snr Vote Group
3.2 Manually Modifying a Raven SNR Vote Group If you need to modify a vote group at a later time, click on the vote group name in the “System Components” tree. Changes can be made while the vote group is active, but some changes may not take effect until the vote group is disabled and then re-enabled. -
Page 18: Chapter 4: Modifying The Configuration Of A Member Of A Raven Snr Vote Group
Chapter 4: Modifying the Configuration of a Member of a Raven SNR Vote Group There are a number of parameters that can be modified on each individual vote group member to tailor voting features to your needs. To gain access to these parameters, you can individually open each vote group member’s port “Settings”... -
Page 19: Modifying A Receiver's Snr Settings
SNR settings available for this port. When you created the Raven SNR Vote Group, the SNR settings for each vote-receiver are automatically set to the defaults shown here. The following section describes the function of each of the vote-receiver’s SNR settings. -
Page 20: Modifying A Transmitter's Keying Options
o To avoid unnecessary voting, you can set the number of SNR decibels (dBs) that are required for another receiver to out-vote this receiver. The default is 3. • Vote Period o The “Vote Period” determines how quickly, once one receiver is voted, that another receiver can be voted. - Page 21 A transmitter can be optionally keyed using either PTT or keying tones. This section describes the different keying options. • PTT is asserted when the trigger is reached o If you’re using PTT to key the transmitter, check this box. •...
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Page 22: Chapter 5: Raven Snr Vote Group Status
Chapter 5: Raven SNR Vote Group Status This section describes some of the vote group status information provided by the vote group member’s port windows. Receiver 2’s voted audio is being sent to the Console. Repeater is receiving audio. The audio has an SNR value of 28dB. -
Page 23: Chapter 6: Saving M4X Blade Configurations
Communication System Software is in control of the SNR voting group configuration. Any Blade settings that are saved while the M4x Communication System Software is active are saved to the Windows registry of the PC controlling the Blade’s USB port. If the M4x Communication System Software is re-started, the settings from the registry are read upon software start-up, and the M4x SNR Voter/Comparator is reconfigured as it was when the settings were saved to registry.