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+  Rockbox Technical Forums
|-+  Support and General Use
| |-+  Hardware
| | |-+  Contrast setting? (H300)
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Author Topic: Contrast setting? (H300)  (Read 2405 times)

Offline Philip

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Contrast setting? (H300)
« on: August 23, 2006, 02:36:00 PM »
are there any plans to implement contrast settings as I think it is a feature the player is missing... this is available in the iriver firmware, is there any reason why this has not been done yet, any reason it can't be done? or has no-one got round to it yet. just curious.

Phil
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Offline Llorean

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Re: Contrast setting? (H300)
« Reply #1 on: August 23, 2006, 08:48:01 PM »
This was not an "Installation" question. Please don't post unrelated questions in the installation board.

Since this question applies to just the H300 LCD, it goes in the "Hardware" board.
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Offline Philip

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Re: Contrast setting? (H300)
« Reply #2 on: September 19, 2006, 04:23:30 PM »
sorry i havn't posted in the rockbox forums since they changed the forums round and just went to where i thought it should go (H300) sorry... i will read more carefully in future. I see that it has been moved does anyone have any thourghts relating to this issue??
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Offline markun

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Re: Contrast setting? (H300)
« Reply #3 on: September 20, 2006, 10:25:50 AM »
I think you can do this with Grayscale Amplifier Block configuration of the γ-Correction Function
see page 114 of the HD66789R datasheet: http://www.rockbox.org/twiki/pub/Main/DataSheets/e789r_101.pdf
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Offline Philip

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Re: Contrast setting? (H300)
« Reply #4 on: September 20, 2006, 05:36:48 PM »
 :o I have absolutely no idea what any of that means... i was not thinking of doing it myself at any rate I have no experience with coding of anything more complicated than the WPS's  ::)
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Offline bascule

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Re: Contrast setting? (H300)
« Reply #5 on: September 21, 2006, 02:58:29 AM »
Quote from: Philip on August 23, 2006, 02:36:00 PM
are there any plans to implement contrast settings as I think it is a feature the player is missing... this is available in the iriver firmware, is there any reason why this has not been done yet, any reason it can't be done? or has no-one got round to it yet. just curious.

Phil

I'm not quite sure what markun is up to ( :-\ ), but the screen brightness and contrast are simple menu settings (link)
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DataBase fanboy and author of the totally overhauled Rockbox Sync Tool

Offline Philip

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Re: Contrast setting? (H300)
« Reply #6 on: September 21, 2006, 06:48:38 AM »
That link only refers to a contrast setting for the remote LCD, currently there is no way of changing the contrast of the main screen on an iriver H300 under rockbox
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