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NVR-ELM-16 Firmware
Nick
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April 24, 2013 - 4:41 pm
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Hi again... Wink

 

We bought this NVR last year and it has been very stable and mostly flawless. We did have an issue with motion detecting which I believe was due to our IP cameras having different firmware. We had set the NVR to record 24/7 with separate files for motion events. The motion events would always capture after the motion had occurred (ie, car driving by) which wasn't a huge issue as we would play the previous file that captioned the motion at the end before the motion was triggered.

 

Nevertheless, I'm sure by now there is an updated firmware for this NVR with bug fixes - I just can't seem to find it in Google searches. If you could help with this and any tips when performing the update, it would be greatly appreciated.

 

Thanks,

Nick

Dan Maresca
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April 24, 2013 - 5:18 pm
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Dear Nick,

 

I believe the reason your missing the car going by is the configuration. Go into main menu/ Detect,   either at dvr or web-service. Event type leave on motion. Channel, pick the channel you want to modify. Then look for the aniti-dither option. Aniti-dither is how long the camera has to see motion before recording. Set it to 1 second and save it. The latch option is how long the dvr will record after seeing motion or motion stops.   Another option you may need to adjust is the pre-record. That is in schedule option.  The max you can set that to is 30 seconds.  These 3 settings take some testing to get them just right, after all everybody's location and needs are different. 

Nick
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April 24, 2013 - 6:17 pm
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Thanks for the quick response! I have tried anti-dither 1, the NVR completely skips recording motion so I set it back to 0. I am trying the other functions out - there is latch and record latch, can you explain the difference?

Maybe my unit is a little different with the shipped firmware, is there an update?

Jesus Ragusa
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April 24, 2013 - 8:34 pm
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Hey Nick, 

 

Anti dither is a delay, it works based on the value you assigned. For example, if I you set it to 0, then anything on front of the camera will trigger motion. If you set it to 5, then the object on front of the camera needs to be there for at least 5 seconds in order for the camera to register that as motion... If you go to schedule you have a setting called pre record, that will basically trigger the NVR to register an event before the motion occurs. For example, if the prerecord is set to 10 seconds and the motion event last for 2 sec, then the DVR will go back 12 seconds, {10 sec of pre-record, 2 sec of motion} then the post record (record Latch) will take in place as well. The default is 10 second. So at the end you will have a total of 22 seconds.

The update you have should be the latest if it was purchased whiting this year,

 

Thanks

 

 

Nick
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April 24, 2013 - 8:53 pm
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Ah, that makes more sense. There is a lot of contradictory information about these settings on the web. So, if a moving car is only in front of the camera for 1 - 3 seconds, I probably would want to turn off anti-dither (0) I suspect.

There is another setting in the web interface (2.0) that is above record latch and it is just latch. I read that this setting is for the alarm and my interpretation was that if you had an alarm wired to the back of the unit it would trigger the alarm for the number of seconds specified. Is that correct?

I bought this NVR last year and the firmware version is 2.608.0000.0,Build:2012-3-26

Please let me know if there is anything newer.

 

Thanks

Jesus Ragusa
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April 24, 2013 - 9:16 pm
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Correct. Thats for Alarms. that controls for how long stays latch. 

 

 Cool

 

 

 

 

zimzam
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April 29, 2013 - 12:34 pm
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Nick said
Thanks for the quick response! I have tried anti-dither 1, the NVR completely skips recording motion so I set it back to 0. I am trying the other functions out - there is latch and record latch, can you explain the difference?

Maybe my unit is a little different with the shipped firmware, is there an update?

I have the ELM-NVR-16-POE-4 and I am unable to change the anti-dither setting to anything lower than 5.
I feel that 5 seconds is too long. 
How do I lower it?
Also, am I up to date on firmware?
 
System 2.610.GV00.0
Build date 12/08/2012
Web 2.1.7.72
 
Thanks,
Scott
Jesus Ragusa
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April 29, 2013 - 1:08 pm
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Hello Zamzam, 

 

The Firmware In your DVR is the latest, There are some DVRs that will allow you to change that option (Anti-dither). I'm sorry I thought you could do it in that unit as well. Please increase the pre-record settings under schedule higher than the default (4sec).

Thanks

 

 

zimzam
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April 29, 2013 - 1:18 pm
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Thanks for the quick response!
 

If I understand this correctly, the pre-record would not help in this situation. For the pre-record to have any affect,  motion must first be detected. So if the motion is only three seconds long motion won't be triggered so the pre-record is irrelevant.

Am I understanding this correctly?
Jesus Ragusa
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April 29, 2013 - 1:54 pm
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Correct, but if the motion happens for at least 5 sec and the pre record is higher, then the dvr will go back x amount of seconds before the motion occurs .

Nick
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May 2, 2013 - 10:36 pm
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Hey Jesus - I tried that firmware file in the link you provided, however the NVR says no update file found when I try to update it. Just wondering if it's supposed to be a zip file since the PAL version was (which has 8 files inside).

 

Thanks,

Nick

Jesus Ragusa
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May 2, 2013 - 10:41 pm
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Sorry, let me pm you.

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