There are some videos and the procedure is similar. The easy way is to use a Smartphone with the Google Translate app and use the Camera feature to translate what you are seeing onscreen. Also note that some models are made for the Japanese Market and only come in Japanese.
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Without any indication of 'make model (what it is)', it may be that the red light flashes whilst charging and it changes to green when charged or it changes to solid red or even just goes out.
Google
make model manual
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Question edited for clarity.
This noise is more likely coming from the whatever is playing the video that than the camera recording itself. I have seen on old VCR machines. Play the video on something else to test..
https://www.google.com/search?q=Polaroid+iso48+video+makes+noise
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Open front cover and locate the battery compartment door.
Gently remove the two "AA" alkaline batteries located in the battery compartment.
Install two new "AA" alkaline batteries into battery compartment. Make sure to match the positive (+) ends of the batteries with the positive (+) terminals located in the battery compartment.
Close battery compartment. The low battery indicator should not appear in the display.
All questions need full 'make model (what it is)' as first 3 words please.
Seems like this
https://www.google.com/search?q=Wb100+battery
Yours is probably worn out. They only have a certain number of charge / discharge cycles and a time limit, especially if depleted.
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May be settings are changed. But first check that LEDs mounted with camera are working or not ? If those LEDs are not working then it is possible cause.
I had a blinking green light on the charger when I would put the battery on the charger. I noticed some black buildup on the prongs of the battery and scrapped it off and now the battery charger is displaying solid green. It may end up being a quick fix considering my equipment came from ebay and already had some light wear and tear
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If you are using Nickel Metal Hydride rechargeable batteries, they have come to the end of their lifespan. Buy New or use AA Lithium batteries.
https://www.google.com/search?q=canon+a95+battery
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The "W" indicates that it is a recoverable error. The "24" indicates that there is a problem in the paper feeder. The "25" indicates that it is a laser printer problem. Looks to me as though you have a paper jam.