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Re: HiMD battery pack (was: solar battery charging and frog calls from M

Subject: Re: HiMD battery pack (was: solar battery charging and frog calls from Madidi, Bolivia
From: Rob Danielson <>
Date: Mon, 16 Jan 2006 21:32:27 -0600
At 6:42 PM -0800 1/16/06, Ariadne Angulo wrote:
<snip>
>
>
>Also, having finally decided to upgrade to digital,
>this is the first time I would be taking my newly
>acquired MZ RH10 Hi-MD to the field (thanks to all who
>provided very useful feedback on this little machine).
>I have been playing around with it a bit to get a feel
>for it, but I was hoping perhaps to hear
>comments/suggestions/recommendations from folks who
>have field tested the unit. We'll be in tropical
>rainforest, so relative humidity would be close to
>100%. I believe we'll have 12 V energy available, but
>I do not know how often, so suggestions for
>alternative energy sources are also welcome (battery
>packs?).

Hi Ariadne--
Good idea to practice moving quickly through the menu into manual 
record before heading into the field. Maybe also make some mental 
notes about record levels that seem to work well and the conditions. 
I've not experienced any HiMD problems due to humidity as yet. A 
small leather or canvas pouch on your belt is handy and it can also 
absorb the faint clicking sounds the recorder makes when the writing 
to disk. I've recorded many 92 minutes disks on one AA rechargeable 
NiMH battery, but lately I've been powering mine with a 2-"D" NiMH 
cell battery sled so I can leave it in record-pause, monitor 
continuously and record 3 or 4 disks without worrying about the power 
going out.  You'll get even better performance using regular alkaline 
batteries.  2 "C" cells would last a long time too. The 3 volt 
external jack accepts a O.D.:  2.35mm    I.D.: 0.7mm  DC Power Plug.

http://cablesandconnectors.com/25700-25.HTM   Supplier's ID #235
or
http://www.universal-radio.com/catalog/parts/dcplugs.html Order#4351

Last time I looked, Radio Shack didn't sell this plug separately but 
their type "A" adapter plug fits and can be soldered/made to do the 
job.

The + positive supply goes to the middle connector. If you can 
solder, its a very simple project. Hope you get all the answers 
you're after and have a productive trip! Rob D.

  = = =



>Thanks,
>
>Ariadne Angulo
>


[Non-text portions of this message have been removed]



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