lake_0571 Posted October 5, 2007 Share Posted October 5, 2007 Now my D200's battery is going to dry-up,and I can't find no back-up memory buttons anywhere,and I'v changed custom fuctions within.Will changing the battery cause to lose the CF-data?Or is there any memory button within the body to protect data?Thanks for your advice again. Link to comment Share on other sites More sharing options...
nick_bumgardner Posted October 5, 2007 Share Posted October 5, 2007 If the pictures are on the CF card they will not be hurt. The CF card is like a mini hard drive. You can take the CF card out and put it in a reader to get your pics off or take one card out and put another in and they will both be fine. Link to comment Share on other sites More sharing options...
andy a. Posted October 5, 2007 Share Posted October 5, 2007 The d200 has an small internal battery that will retain custom settings when you remove the main battery. I don't know how long it lasts, but I've had the main battery out for several days without problem. The CF card is what's termed non-volatile memory. When its bits are set, they stay that way for basically the life of the card without the need for external power. Think of it like a rewritable cd. Link to comment Share on other sites More sharing options...
nickwhite Posted October 5, 2007 Share Posted October 5, 2007 Your camera settings will remain as you have set them after a battery change and as already said your pictures are safe on the CF card. You can change batteries without any cause for concern at any time. Link to comment Share on other sites More sharing options...
Michael R Freeman Posted October 5, 2007 Share Posted October 5, 2007 <i>"The d200 has an small internal battery that will retain custom settings ... "</i><P> I suspect this info is actually stored in non-volatile flash memory. I don't think any Nikon SLR/DSLR has an internal battery. None of the repair manuals I have seen for moderns AF film SLR's (many of which also have custom functions) have an internal battery. <P>Of course, this is irrelevant with respect to data (pictures) on the CF card, since a CF card is non-volatile <b>F</b>lash memory. Link to comment Share on other sites More sharing options...
ShunCheung Posted October 5, 2007 Share Posted October 5, 2007 The D2X/D2Xs has an additional small button battery to maintain the clock, etc. besides the EN-EL4(a) battery. That battery is hidden on the top of the EN-EL4 battery compartment. I am not aware that the D200 has that same feature, though. Link to comment Share on other sites More sharing options...
briany Posted October 5, 2007 Share Posted October 5, 2007 Michael - it may be a capacitor, it may be a battery, I don't know, but it's effectively the same thing - the clock keeps ticking, settings stay stored, etc., even without the main battery. Of course this charge won't last forever, but it will certainly last more than a couple days - think how long a digital watch runs on a Tiny battery. Lake - you'll be fine. Link to comment Share on other sites More sharing options...
lilly_w Posted October 5, 2007 Share Posted October 5, 2007 Indeed, the D200 has a small, auxiliary battery that powers the clock and calendar. It gets charged by the main battery (EN-EL3e) as needed and will function for about three months. If the 'CLOCK' icon flashes, time to recharge the small battery and reset the clock/calendar. Link to comment Share on other sites More sharing options...
ShunCheung Posted October 5, 2007 Share Posted October 5, 2007 Lilly is right. On page 117 of the D200 manual, it specifies that there is indeed an internal rechargable battery to maintain the clock. That internal battery is charged by the EN-EL3e battery or an external AC adapter. However, that is different from the D2X, which uses a CR1616 button battery that can be (and needs to be) replaced. Link to comment Share on other sites More sharing options...
joshodonnell Posted October 5, 2007 Share Posted October 5, 2007 I don't have anything meaningful to contribute, other than when the OP said CF-data, I don't think he/she was referring to data on the CF card... Rather, he/she used CF as an abbreviation for custom functions, as mentioned in the sentence prior to the abreviation... Link to comment Share on other sites More sharing options...
lake_0571 Posted October 6, 2007 Author Share Posted October 6, 2007 Thanks for all your advices which I treasure mostly. Link to comment Share on other sites More sharing options...
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