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02-04-2016, 02:35 PM   #31
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I changed batteries again today - the switch took about three seconds. Still had to reset the date and time.

02-06-2016, 02:56 AM   #32
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Got the camera back from repair today... he said that he had spent over three hours on it, the boards are wired rather than using more modern techniques, the battery had no information to allow him swap it like for like... in the end he didn't fix it, said I should either get a new memory card board or forget about it... simply too much trouble to replace...
02-06-2016, 10:52 AM   #33
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A while back I read online (it may even have been in here) that if you remove the memory card before removing the battery it fixes the problem. And it does.

Last edited by Parallax; 02-06-2016 at 11:27 AM. Reason: Profanity removed
02-06-2016, 01:21 PM   #34
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I switched batteries today - took maybe a minute. Time is still OK.
I've had this Q-7 for 13 months now, so that may make part of the difference (but even it does lose time if I don't put a replacement battery in and simply recharge the original and then put the original back)

02-09-2016, 04:45 PM   #35
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QuoteOriginally posted by Dev_Komatsu Quote
A while back I read online (it may even have been in here) that if you remove the memory card before removing the battery it fixes the problem. And it does.
I read that too. Did not work for me and several others who tried.
Should not be a factor in any case.
02-09-2016, 09:06 PM   #36
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QuoteOriginally posted by Steve.Ledger Quote
I read that too. Did not work for me and several others who tried.
Should not be a factor in any case.
Interesting. Worked like a charm for me.
02-10-2016, 02:12 PM   #37
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QuoteOriginally posted by Dev_Komatsu Quote
A while back I read online (it may even have been in here) that if you remove the memory card before removing the battery it fixes the problem. And it does.
I tried this, it worked, and I thought it was a nice tip.
In fact, it wasn't.
Because it works, weither the memory card is there or not.
And it works, with a fully loaded battery.
Then you can insert or remove the battery for a short period of time, and you keep the date setting (Q & Q7 for me). OK.*

I think that the fully loaded battery gives enough power to the camera (the internal battery of the camera?) for a short period of time, so the camera is able to keep the setting in memory.
But during a shooting session, if I change an almost dry battery with a new one, it doesn't work, and I have to set the date. (already with the Q and now with the Q7).
(and same thing at home, naturally)


*This doesn't work with every camera, because, I think, it depends of the "health" of the camera : Is that camera able to "borrow" some power to a fully loaded battery, or not ? (that is the question)

Please, check, and confirm, or not.
02-10-2016, 06:59 PM   #38
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QuoteOriginally posted by Phenix jc Quote
I tried this, it worked, and I thought it was a nice tip.
In fact, it wasn't.
Because it works, weither the memory card is there or not.
And it works, with a fully loaded battery.
Then you can insert or remove the battery for a short period of time, and you keep the date setting (Q & Q7 for me). OK.*

I think that the fully loaded battery gives enough power to the camera (the internal battery of the camera?) for a short period of time, so the camera is able to keep the setting in memory.
But during a shooting session, if I change an almost dry battery with a new one, it doesn't work, and I have to set the date. (already with the Q and now with the Q7).
(and same thing at home, naturally)


*This doesn't work with every camera, because, I think, it depends of the "health" of the camera : Is that camera able to "borrow" some power to a fully loaded battery, or not ? (that is the question)

Please, check, and confirm, or not.
At another photography forum where I am a regular, someone stated in an authoritative fashion (yes, I know he may or may not know what he is talking about) that modern cameras have a small rechargeable battery which keeps the clock going during battery changes, but not much past that. I don't know whether he is correct. My experience, with both the Q-7 and the K-30, is that fits what I am seeing. Whatever is true, the system used by Pentax seems to lose power / length of keeping time without the primary battery as the camera ages.

Now, the thing I'm wondering is this: does what we are seeing mean that a Q draws a very very very small amount from its primary battery even when the camera is turned off? If so, what are the implications of that?

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