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Ears-104 

Commercial in Confidence 

Copyright © 2021, all rights reserved by Exacom, Inc. 

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Mode 1 = 0.0045  x 8,000Hz  = 36Hz 
Mode 2 = 0.0125  x 8,000Hz  = 100Hz 
Mode 3 = 0.0250  x 8,000Hz  = 200Hz 

 

Entries are  specif ied as whole numbers  0-3  and are  not wrapped in quotes. 

 

Enable4Wire  - 

(default  “false”) 

Specif ies whether  to use 4 Wire  audio input mode or not. The  def ault 

value  is f alse with 4Wire  being disabled. Entries should be specif ied as either true  or f alse and are 
wrapped in quotations. 

 

Enable - 

(default “true”) 

Set this equal  to true or f alse to selectively enable  or disable a channel.  The 

def ault value f or is true. Enter  the words true  or f alse wrapped in quotations.  

NOTE: This  is not 

currently  supported  and may  cause  unstable  operation.  

 

MaxFileTime  - (default  300) 

Set this to specif y how long in duration, in seconds, a capture can 

become bef ore it is closed, and a new  capture is started. Enter  the desired value as whole  number  not 
wrapped in quotations. 

 

MaxFileSize - (default  0) 

Set this to specif y how large a particular capture  f ile can become in size 

bef ore it is closed, and a new  capture  is started. Zero means  that there  is no size restriction and the f ile 
can grow as large as it needs to be permitting MaxFileTime  does not stop the record f irst. Enter the 
desired value  as a whole  number not wrapped in quotations.  

 

Channel = { 

Channel1 = { 

Channel = 1; 

// The system will consider this channel 1 

Source = "Port1"; 

// This tells where to capture data from 

Trigger = [ 

"VoxTrigger1" 

// Enable recording based on signal  power 

]; 
Sink = [ 

"VoxTrigger1",  

// VoxTrigger gets data stream to detect voice 

"Chan1File" 

// Writes the data to a file 

]; 

}; // Channel 1 
Channel2 = { 

Channel = 2; 

// The system will consider this channel 2 

Source = "Port2"; 

// This tells where to capture data from 

Enable4Wire = 

“false”;

 

// Here to MaxFileSize are the defaults for Channel 

Gain = 0; 
AgcTarget = 0; 

MaxAgc = 12.0; 
AgcCutoff = -40.0; 
Enable = true; 
MaxFileTime = 300;  
MaxFileSize = 0; 

// End of default values 

Trigger = [ 

"VoxTrigger2" 

// This will record based on signal power 

]; 
Sink = [ 

"VoxTrigger2",  

// VoxTrigger gets data stream to detect voice 

"Chan2File" 

// Writes the data to a file 

]; 

}; // Channel 2 
Channel3 = { 

Channel = 3; 

// The system will consider this channel 3 

Source = "Port3"; 

// This tells where to capture data from 

Trigger = [ 

"VoxTrigger3" 

// Enable recording based on signal  power 

Summary of Contents for Ears-104

Page 1: ...ns proprietary information which belongsto Exacom Inc and is provided in commercial confidence Disclosure reproduction transmission or storage on anyelectronic device ormedium in anyform in part or in...

Page 2: ...sing out of theuse orinability to usethis product even if Exacom or its authorized reseller has been advised of thepossibilityof suchdamages orforany claim by any other party Exacom will have its liab...

Page 3: ...of Exacom Inc Microsoft and Windows are registered trademarks of the Microsoft Corporation in the United States and or other countries Web www exacom com Technical Support E mail support exacom com Sa...

Page 4: ...4 Specifications 5 2 5 Optional External Equipment 5 2 6 Power Up Sequence 5 2 7 Power Down Procedure 5 Chapter 3 Installation 6 3 1 Site Planning 6 3 2 Unpacking the Ears Components 6 3 3 Installati...

Page 5: ...ulatory Information FCC This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must...

Page 6: ...d related dispatch centers The one 1 to four 4 input channels are individually configurable for analog digital telephone set and or radio The channels may be configured for 2 wire or 4 wire interfaces...

Page 7: ...hones Adapters available Security o Direct access via Console Port requires authentication or can be entirely disabled o Remote Access via SSH can be configured for SSH Key Based Authentication o Indu...

Page 8: ...ecorder but is also used to forward captured audio to an Exacom HindSight Multi Media Server 2 6 Power Up Sequence The power up sequence occurs when power is applied by connecting the AC DC power conv...

Page 9: ...hardware should be in a well ventilated area heaving a temperature range of 40 to 70 degrees C and a humidity range of 5 to 95 non condensing Accessibility of the Ears forservicing Protection from flo...

Page 10: ...ked below them Solid Green means activity is detected and a capture is currently in progress blinking green means activity is no longer detected but the capture is still in progress red means a clippi...

Page 11: ...d by the electrical grounding symbol this screw can be used to run a jumper from the Ears device a common ground point with the audio source to better improve noise rejection performance AUX port Rese...

Page 12: ...utty 4 3 Connect to the device via SSH by using one of the following methods 4 3 1 Ethernet Plug an Ethernet cable from the appropriate subnet into the RJ 45 jack next to the power connection Press wh...

Page 13: ...ired to be encrypted A utility is provided on the Ears device to perform this password encryption 4 4 4 Navigate to opt ears ftp_client Enter the command generateFTPpass mypassword replacing the words...

Page 14: ...ture process does not trigger then the line levels should be examined to ensure the levels are satisfactory for recording This can easily be done by selecting the Line Level screen on the OLED to moni...

Page 15: ...t out the text inside For example This is a comment indicates a comment no matter how many lines are between the start and end For changes to take effect be sure to save pending changes to the configu...

Page 16: ...ocation This field is used to determine the physical location of a device Location is typically used to help identify the facility a unit belongs to e g Fire1 Dispatch etc such that a particular call...

Page 17: ...rom the Streaming Server This employs a low resource wait so its value only affects how long it takes to perform the connection sequence NotifyLimit default 10 Some messages appear with great frequenc...

Page 18: ...a Keyfile used by FTP over SSL This should be a valid pathname wrapped in quotations User The username as pre determined on the FTP server Enter the username exactly as it appears on the server wrapp...

Page 19: ...e Media Server is to be used FileNameFormat must contain a uniquely identifying string for each channel Either include the C channel number substitution parameter or some other per channel FileNameFor...

Page 20: ...cording continues until the line level drops below 30db for a full 2000 ms StopDelay when the record operation will be completed and the recording file will be closed Note The purpose of StartDelay is...

Page 21: ...d line can be mapped to any port such that Channel 1 triggers on Channel 3 s voltage sense lines Differential Trigger measures the voltage difference between V Pin 1 and V Pin 2 and starts a recording...

Page 22: ...mmas This is a required field Sink This sub group defines where the inbound audio stream is routed VoxTriggers must be listed under a channel object s sink group to analyze the correct audio stream In...

Page 23: ...file can become in size before it is closed and a new capture is started Zero means that there is no size restriction and the file can grow as large as it needs to be permitting MaxFileTime does not s...

Page 24: ...e or a stream There are currently two defined trigger types 1 EarsWaveHeader and 2 EarsStreamHeader Ears_Source Physical port on the rear of the unit that a header s recordings are associated with Thi...

Page 25: ...rt vUnk which means the unit has likely been tampered with as all Exacom firmware correctly report a version number when ECO d Binary reports the contents of the opt ears bin directory where all the c...

Page 26: ...itly referenced by a Label The exception is the Channel object all of them will be used all the time or the unit will not record The overall structure of configuration is roughly Type Type of object b...

Page 27: ...label of a defined obejct which means any object declared may be used anywhere For instance a Trigger may be shared by multiple channels and any Source may be assigned any Channel As much as possible...

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