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FrequentFlyer
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Joined: Jun 12, 2006
Posts: 964
Location: London
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 Posted: Thu Jan 21, 2010 11:32 pm Post subject: Hibernation Option |
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| Could somebody tell me their settings, (1, 2, 3, etc., hours.) and why ? |
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lucevans
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Joined: Mar 21, 2007
Posts: 261
Location: Cambridgeshire, UK
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| Posted: Fri Jan 22, 2010 12:34 am Post subject: Re: Hibernation Option |
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| FrequentFlyer wrote: | | Could somebody tell me their settings, (1, 2, 3, etc., hours.) and why ? |
Setting: OFF
Why?: Because I want to log my entire route on the Active 10 so that I can geotag any photos I've taken along the way. |
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Gibbo10
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Joined: Sep 21, 2008
Posts: 262
Location: Swindon, Wilts
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| Posted: Fri Jan 22, 2010 12:45 am Post subject: Re: Hibernation Option |
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| FrequentFlyer wrote: | | Could somebody tell me their settings, (1, 2, 3, etc., hours.) and why ? |
Generally I have it turned off, but quite useful when I need to stop for while, e.g. a pub lunch and want to conserve battery life but also I want a quick start up. |
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planetnine
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Joined: Dec 11, 2006
Posts: 93
Location: Lincolnshire, England.
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| Posted: Fri Jan 22, 2010 2:02 am Post subject: |
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If I'm not using it after I've charged the battery I'll switch hibernate to off so it maintains its full charge.
If I'm usung it to trail a walk or route, I'll not switch it off at all.
If I'm using it for grid references and marking locations and am not interested in logging the travel, I'll set hibernate to 8 hours (the longest) and switch it off (so it hibernates) between needing to use it. This way, as mentioned above, you get a quick start-up time, but conserve battery over a long day.
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planet nine
Lincoln, UK. |
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Jospee
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Joined: Jul 29, 2009
Posts: 16
Location: Darlington
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| Posted: Fri Jan 22, 2010 12:38 pm Post subject: |
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Can i check if i've got this right?
To manually hibernate the satmap unit you activate the option in settings to whatever time you prefer, then switch off the unit... which hibernates rather than switches off?
I hope so, was looking through the manual for this but couldn't find it.
Cheers, J. |
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satmapian
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| Posted: Fri Jan 22, 2010 1:12 pm Post subject: |
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I was a bit puzzled by this too. Sounds like you've got the idea.
The time options are the amount of time the unit will hibernate for before complete power down. If I were backpacking I'd have the unit set at 8 hours. On reaching an easy bit of navigation when I turned the power off it would hibernate - using min power - for up to 8 hours, but keeping track of my position, for when I next need it. At night I'd set the hibernate mode to off before turning the unit off.
I use the Li Pol rechargeable battery so there's no need for this function for day walks as I can get 22 hours out of it, but if on AAs (esp alkaline) I'd use it for day walks too. It might be useful for day cycle trips though as I use "Trail up" and therefore a lot of battery power. It would depend on how quickly I could get the power back on after hibernating - haven't had a chance to upgrade my platform software yet so this is all just theory at the mo.
Here's an earlier thread about this
http://www.pocketgpsworld.com/modules.php?name=Forums&file=viewtopic&t=80899 |
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FrequentFlyer
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Joined: Jun 12, 2006
Posts: 964
Location: London
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| Posted: Fri Jan 22, 2010 1:13 pm Post subject: |
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| Jospee wrote: | Can i check if i've got this right?
To manually hibernate the satmap unit you activate the option in settings to whatever time you prefer, then switch off the unit... which hibernates rather than switches off?
I hope so, was looking through the manual for this but couldn't find it.
Cheers, J. |
That was my confusion as well. |
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Gibbo10
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Joined: Sep 21, 2008
Posts: 262
Location: Swindon, Wilts
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| Posted: Fri Jan 22, 2010 9:29 pm Post subject: |
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| Quote: | | If I were backpacking I'd have the unit set at 8 hours. On reaching an easy bit of navigation when I turned the power off it would hibernate - using min power - for up to 8 hours, but keeping track of my position, for when I next need it. |
According to the manual (see below) when in hibernate the unit doesn't keep track of your position, it retains the position that you were at when you switch to hibernate!
"This feature may be thought of as an ultra powersave setting.
In this mode the unit can be switched off and will retain satellite position data using a trickle charge. On switching the unit back on the last screen is shown and satellite lock takes only a few seconds.
If you re-locate whilst in hibernate mode the unit will briefly show your position as where you last had lock until the new satellite positions are acquired.
Note: Trip log data is not stored in this mode." |
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satmapian
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| Posted: Fri Jan 22, 2010 9:38 pm Post subject: |
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Oh - thanks for that Gibbo10. I new it didn't track my route, but kind of assumed it would know where I was. Presumably if you haven't moved far the new lock will be achieved quickly. If not I guess there'd be no point.
Anyone used this feature yet: ie go into hibernate - move position, and power up? How fast is it compared to turning the unit off? |
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Gibbo10
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Location: Swindon, Wilts
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| Posted: Fri Jan 22, 2010 9:49 pm Post subject: |
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| I believe that it will still make the lock quicker. I know that satmap have been planning this for a long time as I was talking to them about it at the Outdoor show last year, I can't remember all the full details but they were saying that there was certain information that is downloaded when the satellite locks on after a shutdown. If the unit maintained power then it would already have that data which is good for some time and therefore speed up lock on. I guess this must be true because I would assume that if you stayed in the same locatation for 8 hours satellites would move even if you don't. |
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RavingDave
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Joined: Oct 14, 2006
Posts: 111
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| Posted: Fri Jan 22, 2010 10:15 pm Post subject: |
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| satmapian wrote: | Oh - thanks for that Gibbo10. I new it didn't track my route, but kind of assumed it would know where I was. Presumably if you haven't moved far the new lock will be achieved quickly. If not I guess there'd be no point.
Anyone used this feature yet: ie go into hibernate - move position, and power up? How fast is it compared to turning the unit off? |
I've used it by getting GPS lock at home, hiberbnating, then driving to start location of a walk. When it switches on it gets lock within seconds - so no waiting around before setting off. |
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RavingDave
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Posts: 111
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| Posted: Fri Jan 22, 2010 10:20 pm Post subject: |
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| Gibbo10 wrote: | | I believe that it will still make the lock quicker. I know that satmap have been planning this for a long time as I was talking to them about it at the Outdoor show last year, I can't remember all the full details but they were saying that there was certain information that is downloaded when the satellite locks on after a shutdown. If the unit maintained power then it would already have that data which is good for some time and therefore speed up lock on. I guess this must be true because I would assume that if you stayed in the same locatation for 8 hours satellites would move even if you don't. |
Do you know whether in hibernate mode it is actually updating data from the satellites all the time, or is the trickle power just being used to maintain the last set of downloaded data in memory? I suspect it is the former, because otherwise they could just write the data to non-volatile memory (as with storing routes, POIs etc) at shutdown, switch off completely, and then just read it back when next switched on? |
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Gibbo10
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Joined: Sep 21, 2008
Posts: 262
Location: Swindon, Wilts
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| Posted: Fri Jan 22, 2010 11:03 pm Post subject: |
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| Quote: | | Do you know whether in hibernate mode it is actually updating data from the satellites all the time, or is the trickle power just being used to maintain the last set of downloaded data in memory? I suspect it is the former, because otherwise they could just write the data to non-volatile memory (as with storing routes, POIs etc) at shutdown, switch off completely, and then just read it back when next switched on? |
I don't know for sure but I don't think it is updating any data from satelllites whilst in Hinernate. I take your point about usig NVM but it is also worth remember that hibernate has another purpose that of saving satellite data. Hibernate is also there for a quick start so that you don't have load windows again when you switch on and therefore that needs the trickle charge. |
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GPSwalker
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Joined: Nov 29, 2009
Posts: 27
Location: Yorkshire
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| Posted: Sat Jan 23, 2010 11:23 am Post subject: |
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| RavingDave wrote: | | satmapian wrote: | Oh - thanks for that Gibbo10. I new it didn't track my route, but kind of assumed it would know where I was. Presumably if you haven't moved far the new lock will be achieved quickly. If not I guess there'd be no point.
Anyone used this feature yet: ie go into hibernate - move position, and power up? How fast is it compared to turning the unit off? |
I've used it by getting GPS lock at home, hiberbnating, then driving to start location of a walk. When it switches on it gets lock within seconds - so no waiting around before setting off. |
I did similar on Monday with hibernate set to two hours. Got a sat lock at home then went by train about 40 miles to Hessle and the start of the Yorkshire Wolds Way. I got off the train and switched on the unit and had my new position on the map in about five seconds. The usual delay of standing still for several minutes for boot up and a sat lock was eliminated, and I was straight off the mark like anyone with a paper map (but I could start logging my route as well). In my opinion this feature is a big improvement to the Active 10. |
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FrequentFlyer
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Joined: Jun 12, 2006
Posts: 964
Location: London
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| Posted: Sat Jan 23, 2010 11:27 am Post subject: |
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| GPSwalker wrote: | | RavingDave wrote: | | satmapian wrote: | Oh - thanks for that Gibbo10. I new it didn't track my route, but kind of assumed it would know where I was. Presumably if you haven't moved far the new lock will be achieved quickly. If not I guess there'd be no point.
Anyone used this feature yet: ie go into hibernate - move position, and power up? How fast is it compared to turning the unit off? |
I've used it by getting GPS lock at home, hiberbnating, then driving to start location of a walk. When it switches on it gets lock within seconds - so no waiting around before setting off. |
I did similar on Monday with hibernate set to two hours. Got a sat lock at home then went by train about 40 miles to Hessle and the start of the Yorkshire Wolds Way. I got off the train and switched on the unit and had my new position on the map in about five seconds. The usual delay of standing still for several minutes for boot up and a sat lock was eliminated, and I was straight off the mark like anyone with a paper map (but I could start logging my route as well). In my opinion this feature is a big improvement to the Active 10. |
And what did you do to the Hibernate settings when you set off ? Leave it of change it ? |
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