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The following guides will walk you through common troubleshooting and replacement issues that Pentax users have encountered. Each guide contains complete information that will easily direct you through the process.

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Date/time doesn't hold when battery removed

Pretty much as above. I assume there's an internal battery that has failed or I am overlooking something. After resetting, I DO use "settings complete" and "done", but it defaults to manufacture date when battery is removed for recharging. Thanks for any help.

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Hi,

According to the User manual for your camera : the date and time may be returned to the default settings if the camera is left without the battery for a long time.

This seems to indicate that there is another battery (usually user inaccessible) which is used to maintain certain settings, predominately the Date and Time.

How long is a long time? It should certainly be longer than the recharge time of the main battery.

I agree with you the settings backup battery has failed.

Update

Here is a link which shows the teardown of a WG3. At 16 seconds into the video I believe that you can see what I think is a button battery on the mainboard, (directly above the red end of the screwdriver handle). If it is a standard button type battery, these are usually not rechargeable but have a long life, especially if their function is usually performed by the main battery. They only have a very low discharge current when the main battery is removed. In some older PC's the CMOS battery was of the same type and usually lasted 6-8 years before replacement was necessary. Mind you it is a lot easier to replace them than to replace the one in the camera by the look of it

https://www.youtube.com/watch?v=l0A6MnF6...

Planned obsolescence - perhaps?

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Buddy Huggett さん、ありがとうございました!
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