kensplace

I think its a woman thing, I got told off the other day for installing a fire alarm upgrade (smoke detectors wired into the alarm system + extra fire sounder + strobe) - apparently if I had all that energy I should have put it to good use and tidied up the house, which is more important.....

THe only ones I have seen have all been non-amplified, simply looped the input signal straight back out......

But I have not used that many DVRS.

Never had a problem with splitting the signal by looping out on the back of a multiplexer or dvr - but all have been fairly short cables....

Watch the video at this http://www.info4security.com/story.asp?sectioncode=11&storycode=4121852 link

Not only do they try to damage the cctv (with a gun) - the cctv fights back - with a gun....

And its a real product, from Samsung Techwin.

They reckon it could be handy in town center's for security... Must have some rough town centers!!

You will need a good DVR also to go with a good camera.

Dont rule out the fact that if you do mess up his image in any way, it will be caught on camera, and if anything happens to his property (whether that be his doing, or someone elses) then it would look mighty suspicious, and the police may think you had something to do with it, especially if he shows them footage of you disabling his image with bright lights on purpose...

If he was sneaky he could damage something himself once he noticed what you did, and you would be the first suspect once the police see what you did....

Hi, the 'vari-focal' bit refers to the lens on the camera.

That is meant to be set by hand when you install the camera, it allows you to set up the lens to get the best field of view and focus.

There should be some adjustment rings or knobs available on the lens, one will be for field of view (ie zoom in closer narrow view, or zoom out wider angle view). The other should be for focusing the image.

This needs to be done when you position the camera to get the best view for your needs, and is then not controllable remotely (you would need a ptz usualy for that, or a specialist zoom lens and controller).

The auto-iris bit again refers to the lens, it is not meant to be controlled by your system, the camera/lens itself takes care of it all.

It adjusts the amount of light getting into the camera to keep the image at a reasonable level of brightness, if too much light gets in the iris closes a bit automatically, and vice versa the darker it gets the more it will open up.

So if you have power and video connected up - then other than adjusting your lens for the best image, your all done!

Indeed, local legal advise is adviced for audio.

Remember, it will depend on where you live, different countries, different states etc can have different laws and local regulations.

I would check that with geovision, as version 8.3 allows the use of two cards.

This note is in the geovision 8.3 feature guide.

It also has more details of what is allowed, and requirements etc.

Note: Besides GV-250 and GV-800_4A Cards, all GV video capture cards support two

cards.

Minimum system requirements apply, but it is possible to have more than one card. Check with Geovision first to make sure you have compatible equipment etc.

Not used that camera before, but its a standard analogue dome, from a reputable manufacturer, so no reason why there should be any problem at all with that set up.

Have you tested the camera to see if you are getting any output from it, can you try viewing the output direct onto a monitor/tv? (You can use the composite Video socket on most tv's to view the output, as long as you remember to select that mode on the remote control...)

Is the card itself working, have you got another camera you can try?

Is the cable ok, is the power supply correct?

If your in the UK and they are stating it will record at 480fps full D1, then get them to put it in writing - if it does not, they are breaching the trade descriptions act.

You could try to ask them to send you some sample footage from that DVR.

What exactly is it you are trying to do, as geovision already supports some forms of home automation I believe.

I have not used the features, as I dont have any of the input/output boards for my geo card, but apparently you can mark areas on a camera view and have them control outputs.

So you could mark a light switch on a wall, and if you click on the light switch on the camera view, you could make the light come on via a mains relay controlled by the geo system.

What are the exact specifications of the pc you are using?

Do they meet the specs laid down by geo for your card.

They can be fussy about the type of chipset used on the motherboard etc.

Is the card genuine (easy to check, just contact geovision with the serial number on the back of the card and they will confirm if its a genuine card or not).

I view the composite output on a dedicated cctv monitor, old style CRT which has a couple of BNC inputs (switchable) so I can select which DVR output I wish to view.

I find CRT gives a much nicer picture than modern tft screens for analogue cctv. Only problem is the monitor is pretty big!

I believe geovision do a POS module, to link point of sale machines directly to geo. Not used it, but it is supposed to record transaction details on the image, and they are searchable so you can search for footage of cancellations, returns, whatever.

I have been running my 1480 on a plain intel 3ghz processor (not core 2, just a standard one) but I have just bought a second hand core2 duo board+processor, should have arrived by next week, will install it and see how much of a difference it makes...

Old and new systems both have 2 gig ram

Visimetrics fastar dvr will suppor NAS, although Im not sure if it has to be there own NAS or if you can add any to it.

http://www.visimetrics.com/docs/brochures/FASTAR_Server_V3.pdf

You can also do all config on a pc, and playback also through the supplied software.

I use both that machine and geovision, both have there plus points, would love a machine with the best of both worlds!

Lets hope its just a typo.

Control room is not that far away, and there is already a multi million pound cctv system in place,so probably didnt need to worry to much about the transmission / display side of things.

http://news.bbc.co.uk/1/hi/england/tyne/7785318.stm

Cameras have been installed at a level crossing, to catch drivers putting the trains in danger. LPR cameras.

I have not seen them, but may take a look sometime, but I would imagine by cameras they mean two (one for each direction) possibly three so their is a overview.

Can you guess the cost?

Six Hundred Thousand Pounds.

For a few cameras at a level crossing - even buying top end lpr cams, excellent DVR's, wireless transmission or hard wiring the cabling I fail to see how they can justify that price....

The article is not that clear either, it could be that price in total, or it could be PER camera.....

Hi, welcome to the forum.

You could contact geovision directlly and ask them, or ezcctv have a download of it on their website, but you will need to sign up on their site.

What sort of frame rates are you getting at these resolutions?

As far as I can see, according to sony their are ccd's out there in 1/4", even 1/6" that should have enough effective pixels to cope with 480tvl.

http://www.sony.net/Products/SC-HP/pro/image_senser/color_video.html

Although, it would depend on the rest of the camera on how many tvls it had, its not just the one part that decides, its lots of them working together.

I do agree though, lots of specs are often inaccurate when it comes to cctv...

Just tried it accessing my site via dipmap, seemed fine for me.

Yikes, that looks like it was painful.

Wish her a speedy recovery from me, hope it heals up quickly.

familiarimbao1, or should I say sabrinakornel1, or is that ellatwo4 a request for a ban on your usernames has been put in place.

Multiple accounts, spam, and posting junk is not a good way to keep your account(s).