background image

Lit. No. M100V  Rev. A  1/3/11 

 

 

RAVEN ELECTRONICS CORPORATION 

 

 

 

M4x 

SNR Voter/Comparator 

User Manual 

 

 

 

 

 

 

Summary of Contents for M4x

Page 1: ...Lit No M100V Rev A 1 3 11 RAVEN ELECTRONICS CORPORATION M4x SNR Voter Comparator User Manual ...

Page 2: ...te Group Using the M4x Software 8 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 20 Chapter 5 Raven SNR Vote Group Status 22 Chapter 6 Saving M4x Blade Configurations 23 ...

Page 3: ... is warranted against defective materials and workmanship for a period of two 2 years from the date of delivery to the original purchaser or end user Liability under this warranty is limited to servicing adjusting repairing or replacing as necessary any equipment returned to the factory transportation prepaid for that purpose Factory examination must disclose a manufacturing defect Repaired or rep...

Page 4: ...Communication System Software provided with the Raven M4x Blade There are a number of features that can be software configured to create a vote group tailored to a specific network These features include Automatic transmitter steering Manual transmitter steering Default transmission Flexible audio routing to any transmitter based on which receiver is voted Console priority Voting that commences ba...

Page 5: ...400Hz interface the 476 151 has a 600 ohm or high impedance input software selectable a 600 ohm output with a 5 3400Hz frequency range The Raven 476 150 151 4 wire E M module is used to interface to 4 wire communication equipment Each 476 150 151 4 wire E M module supports two ports of audio The main function of the 476 150 151 4 wire E M module is to convert analog audio to the digital domain on ...

Page 6: ... wires for analog receive 2 wires for analog transmit 2 wires for the PTT relay switch closure 2 wires for the COR input RJ 45 port pin number M4x Blade Signal Direction with respect to the M4x Blade 1 RX A Input 2 RX B Input 3 PTT Output switch closure 4 TX A Output 5 TX B Output 6 PTT return Output switch closure return optionally ground able via jumper 7 COR Input active low 8 COR GND ref Groun...

Page 7: ...7 Lit No M100V Rev A 1 3 11 Figure 3 Raven M4x Blade Rear Panel Power and USB Connections ...

Page 8: ...tware and attach to the Raven M4x Blade as explained in the Raven M4x Communication System user manual 3 1 Using the Wizard to Create a Raven SNR Vote Group STEP 1 To create an SNR Vote Group click on Add Vote Group in the System Components tree STEP 2 A wizard window appears to help you build and configure the SNR Vote Group Click Next to continue ...

Page 9: ...ting 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 A Sub comparator can only be used to vote receivers and cannot have console repeater or transmitter connections Choose the Voter Type and click Next to continue STEP 4 Some vote groups have a console connection If you need voted audio to be s...

Page 10: ...ty 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 Click the Delete button to remove a port from the list of consoles STEP 6 Drag and drop any port connections that you want voted into the Vote Receiver form ...

Page 11: ...e Raven SNR Voter Comparator can start voting on any one of these unsquelch indicators COR Lack of 2175Hz status tone Lack of 1950Hz status tone VOX Choose your unsquelch indicator for each vote receiver STEP 8 Drag and drop any port connections that you want to designate as transmitters A transmitter transmits either console audio or repeated voted audio ...

Page 12: ...k 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 Click the Receiver Routing button to designate which receiver s voted audio will be transmitted by this transmitter The Define Receiver Routing window opens when the Receiver Routing button is clicked ...

Page 13: ... Any receiver can be added to the selected transmitter s receiver routing list 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 column to define the manual steering configuration for this transmitter The Transmitter Options window opens when the TX Options button is clicked ...

Page 14: ...on 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 Once the vote group transitions to Manual Steering mode a manual steering countdown timer starts that keeps the vote group in Manual Steering mode for the set time period This timer is set up in the next ...

Page 15: ...Steering Options window is also used to set a minimum amount of time that a receiver must be voted before it can be designated last voted This avoids spuriously voted receivers from becoming last voted Note Automatic Transmitter Steering affects where console audio gets transmitted If Automatic Transmitter Steering is enabled console audio will be transmitted from any transmitter that has the curr...

Page 16: ...16 Lit No M100V Rev A 1 3 11 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 ...

Page 17: ...vote group is active but some changes may not take effect until the vote group is disabled and then re enabled A tabbed version of the vote group setup program appears after clicking on the vote group name The tabs allow you to view and set up the same vote group features that were set up using the wizard above Alternatively to use the wizard to make changes to an existing vote group click on the ...

Page 18: ...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 window To gain access to a vote group member s settings click on the name of the port in the System Components tree Clicking on the name of the port opens a port status window Click on the Settings button to expand the port settings ...

Page 19: ...he function of each of the vote receiver s SNR settings Report SNR o In order to be voted the port needs to be configured to report an SNR value Leave this box checked Can be voted o In order to be voted this box needs to be checked To temporarily remove this vote receiver from the voting pool un check this box Mode o Leave this set to Use SNR Unvote dBs Click the SNR Settings tab to access the SN...

Page 20: ...t provides no audio the receiver can be removed from the voting pool The No Audio Vote Timeout determines how long to wait before removing it from the pool The No Audio Vote Timeout default is in milliseconds with a default of 10000 10 seconds Voice Speech SE 2C o Leave this value set to 6 Disable on COR o If this box is checked the receiver will be removed from the voting pool when COR goes activ...

Page 21: ...lliseconds that the transmitter port delays after the presence of audio before asserting PTT This setting is rarely used and is almost always set to 0 Relay Hold On o This is the amount of time in milliseconds that the PTT relay stays engaged after audio goes away Use Keying Tones o If keying tones are used to key the transmitter check this box Also fill out the correct Function Tone Macro click T...

Page 22: ...ote 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 Receiver 1 is receiving status tone Receiver 2 is receiving audio Receiver 2 has an SNR value of 34dB and is currently the voted receiver This transmitter is currently repeating Receiver 2 s voted audio ...

Page 23: ...he 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 The Raven M4x SNR Voter Comparator does not require that a PC be connected during normal voting operations After any SNR voting groups have been configured using the M4x Communication System Software vote group setting can be burned to flash memory on the ...

Reviews: