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Reign Occasional Visitor
Joined: Jan 12, 2009 Posts: 4
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Posted: Mon Jan 12, 2009 10:30 am Post subject: TT Navigator 6 refresh rate |
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If I had a GPS unit with a 5hz refresh rate would TT6 be able to detect this? ie would the navigation appear to be smoother? I've heard that some software won't accept any greater than 1hz refresh rate. If this is the case it would negate the need for me to buy a 5hz unit.
Many thanks! |
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philpugh Lifetime Member
Joined: Dec 28, 2005 Posts: 2003 Location: Antrobus, Cheshire
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Posted: Mon Jan 12, 2009 2:28 pm Post subject: |
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The screen refresh rate is also down to basic processor speed. I don't know how TT6 works but I suspect that if you are sending positional info 5 times a second then it would use this information. However (in true catch 22 fashion) the higher data rates will require more processing - which may slow the screen refresh rate. What device are you using for TTN6? _________________ Phil |
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Reign Occasional Visitor
Joined: Jan 12, 2009 Posts: 4
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Posted: Mon Jan 12, 2009 2:31 pm Post subject: |
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I'm just using my Nokia 6120, which apparently has the same processor as the N95. It seems to be a relatively quick processor, though I understand your point regarding the catch 22.
The 5hz units don't seem to be vastly more expensive so I might just get one to try out anyway. Some of them even have programmable refresh rates so if 5hz is too great then I can scale it back to 1 or 2hz.
Thanks for the reply! |
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mpwilson99 Lifetime Member
Joined: Jun 30, 2007 Posts: 462 Location: Hickstead, Sussex
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Posted: Mon Jan 12, 2009 2:56 pm Post subject: |
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Sadly ive got no idea what hz refresh rate I have in my o2 xda, all I know is, that TT6+ works fine on it.
It does run smoothly, and gives poi warnings 99% on time!
It does help to limit the amount of `shown poi`s, but ive got 100 poi audio warnings setup and runs no probs.
Again like everything, it will also depend on what you have running at the same time as ttn6. I usually always have gpssentry running too with no consequence in performance.
MPW _________________ TomTom 700 GO user since Dec 2005.
TomTom PDA XDA user since Dec 2007.
TomTom HTC HD2 user since Jul 2012. |
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philpugh Lifetime Member
Joined: Dec 28, 2005 Posts: 2003 Location: Antrobus, Cheshire
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Posted: Mon Jan 12, 2009 3:27 pm Post subject: |
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ADMIN: Removed duplicate post _________________ Phil |
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aj2052 Frequent Visitor
Joined: Jul 03, 2005 Posts: 1431 Location: Leics,UK
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Posted: Tue Jan 13, 2009 3:35 am Post subject: |
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Another one who hasnt a clue what my refresh rate is, but I have always found that the refresh rate improved with a faster card, in fact on my old mio168 Sharon even stopped stuttering by fitting a faster 150 speed card. _________________ Moto G5s Plus, Sygic 17.4.8 |
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mikealder Pocket GPS Moderator
Joined: Jan 14, 2005 Posts: 19638 Location: Blackpool , Lancs
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Posted: Tue Jan 13, 2009 10:00 am Post subject: |
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The GPS update rate will have little bearing on the screen refresh rate on a PDA, processor power and card speed are two important issues. The easy one though is to free up the processor so it can work only work on the single task, close all other programs that might be running on the PDA, make sure you don't have lots of POI's enabled as this is the most probable cause of a slow screen refresh rate.
It is possible (at a price) to get GPS receivers that support 5, 10 and even 20Hz update rates, using such exotic hardware with the navigator application on a PDA would be akin to feeding a pig strawberries - Mike |
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