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October 2010

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Subject:
From:
Gaja Anandhakrishnan <[log in to unmask]>
Reply To:
Gaja Anandhakrishnan <[log in to unmask]>
Date:
Tue, 19 Oct 2010 20:36:44 -0700
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Our team started using AA batteries instead of the rechargeable battery pack. 
But when they had to change the batteries, they had dismantle the robot to get 
to the battery compartment. I am worried that the kids will not put back the 
robot perfectly, if they have to do this just before the tournament to have 
fresh batteries in. Is that how it is normally done? 


thanks
Gaja




________________________________
From: Jerry Lorengo <[log in to unmask]>
To: [log in to unmask]
Sent: Fri, October 8, 2010 3:28:54 PM
Subject: Re: [VADCFLL-L] NXT batery warning


Agreed - always use fresh AAs. 

The recharchable batter has a goofy memory and the voltage drop will make 
reproducibility for missions almost impossible. 

Sent from my iPhone

On Oct 8, 2010, at 12:48 PM, Lloyd O'Hara <[log in to unmask]> wrote:


We only use batteries and always make sure we have  plenty on hand.
> 
>Also, I'm sure why you would take 2 sets of four AA  batteries, the nxt takes 
>six AA..
> 
>Lloyd
>----- Original Message ----- 
>>From: Viquar Shaikh 
>>To: [log in to unmask] 
>>Sent: Friday, October 08, 2010 10:50    AM
>>Subject: Re: [VADCFLL-L] NXT batery    warning
>>
>>
>>To add to this --- no matter what - we always carry 2 sets of four AA    
>>batteries - one is a new packed set. This is a good backup for these    
>>'just-in-case' scenarios.
>> 
>>Thanks
>>Viquar
>>
>>
>>On Fri, Oct 8, 2010 at 10:32 AM, Brandy bergenstock <[log in to unmask]> 
>>wrote:
>>
>>This      came across the Ga FLL yahoo group adn I thought it was important for      
>>everyone to realize:
>>>
>>>The other day my team had taken one of their NXT      bricks with them to a 
>>>meeting.  When we got home, the battery was      completely discharged. After 
>>>recharging it, my  daughter discovered      that the "Sleep" setting was at 60 
>>>minutes. The brick had  accidentally      turned on during transport and since 
>>>the sleep setting was so long,  it      ran the battery down. We discovered that 
>>>the 60 minute setting is the      default for both the 1.26 and 1.31 firmware 
>>>update. That is WAY too      long!
>>>
>>>If you have updated your firmware, you should check the sleep      setting and 
>>>change  it is a more reasonable time (perhaps in the 2-5      minute time 
>>>frame). This way you won't accidentally run down your battery.      I'd hate for 
>>>someone to discover their battery was dead when they arrived at      a 
>>>competition.
>>>
>>>To access the sleep setting on the NXT brick, go      to:
>>>
>>>Settings
>>>Sleep
>>>and then change the time with the arrow      buttons
>>>
>>>
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