255 lines
13 KiB
TeX
255 lines
13 KiB
TeX
% $Id$ %
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\section{\label{ref:Displayoptions}Display}
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\begin{description}
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\item[LCD Settings.]
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This sub menu contains settings that relate to the display of the \dap.
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\begin{description}
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\opt{HAVE_BACKLIGHT}{
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\item[Backlight.]
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The amount of time the backlight shines after a key press. If set to
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\setting{Off}, the backlight will not light when a button is pressed. If
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set to \setting{On}, the backlight will never shut off. If set to a time
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(1 to 90 seconds), the backlight will stay lit for that amount of time
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after a button press.
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\item[Backlight (While Plugged In).]
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This setting is equivalent to the \setting{Backlight} setting except it
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applies when the \dap{} is plugged into the charger.
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\item[Backlight on Hold.]
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This setting controls the behavior of the backlight when the Hold switch
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is toggled. If set to \setting{Normal} the backlight will behave as usual.
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If set to \setting{Off} the backlight will be turned off immediately when
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the Hold switch is engaged and if set to \setting{On} the backlight will
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be turned on and stay on while the Hold switch is engaged.
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\item[Caption Backlight.]
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This option turns on the backlight a number of seconds before the start
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of a new track, and keeps it on for the same number of seconds after the
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beginning so that the display can be read to see song information. The
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amount of time is determined by the value of the backlight timeout
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setting, but is no less than 5 seconds.
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\opt{backlight_fade_int}{
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\item[Backlight Fade In.]
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The amount of time that the backlight will take to fade from off to on
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after a button is pressed. If set to \setting{Off} the backlight will
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turn on immediately, with no fade in. Can also be set to
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\setting{500ms}, \setting{1s} or \setting{2s}.
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\item[Backlight Fade Out.]
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Like Backlight fade in, this controls the amount of time that the
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backlight will take to fade from on to off after a button is pressed. If
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set to \setting{Off} the backlight will turn off immediately, with no
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fade out. Other valid values: \setting{500ms}, \setting{1s},
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\setting{2s}, \setting{3s}, \setting{4s}, \setting{5s} or
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\setting{10s}.
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}
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\opt{backlight_fade_bool}{
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\item[Backlight Fade In.]
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This options turns on smooth backlight fading when the backlight is
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turning on. The fading time is dependent on the brightness level you
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have chosen. If it is turned off, the backlight will turn on immediately.
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\item[Backlight Fade Out.]
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This options turns on smooth backlight fading when the backlight is
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turning off. The fading time is dependent on the brightness level you
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have chosen. If it is turned off, the backlight will turn off immediately.
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}
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\item[First Keypress Enables Backlight Only.]
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With this option enabled the first keypress while the backlight is turned
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off will only turn the backlight on without having any other effect. When
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disabled the first keypress will \emph{also} perform its appropriate action.
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\opt{lcd_sleep}{
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\item[Sleep (After Backlight Off).]
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This setting controls how long rockbox will wait before turning off the
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display after the backlight is turned off. Turning off the display
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saves battery power but turning on the display takes noticeably longer
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than just turning on the backlight.
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}
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\opt{backlight_brightness}{
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\item[Brightness.]
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Changes the brightness of your LCD display.
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}
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} % \opt{HAVE_BACKLIGHT}
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\opt{lcd_contrast}{
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\item[Contrast.]
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Changes the contrast of your LCD display.
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\warn{Setting the contrast too dark or too light can make it hard to
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find this menu option again!}
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}
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\opt{lcd_invert}{
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\item[LCD Mode.]
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This setting lets you invert the colours of the display.
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}
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\opt{lcd_flip}{
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\item[Upside Down.]
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Displays the screen so that the top of the display is nearest the buttons.
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This is sometimes useful when carrying the \dap{} in a pocket for easy
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access to the headphone socket.
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}
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\end{description}
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%
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\opt{remote}{
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\item[Remote-LCD Settings.]
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This sub menu contains settings that relate to the display of the remote.
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\begin{description}
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\item[Backlight.]
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Similar to the main unit backlight this option controls the backlight
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timeout for the remote control. The remote backlight is independent
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from the main unit backlight.
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\item[Backlight on When Plugged.]
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This controls the backlight when the \dap\ is plugged into the charger.
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\item[Caption Backlight.]
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This option turns on the backlight a number of seconds before the start
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of a new track, and keeps it on for the same number of seconds after the
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beginning so that the display can be read to see song information. The
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amount of time is determined by the value of the backlight timeout
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setting, but is no less than 5 seconds.
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\item[First Keypress Enables Backlight Only.]
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This controls what happens when you press a button on your remote
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while the backlight is turned off. Like for the main unit, if this
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setting is set to \setting{Yes}, the first keypress will light up the
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remote backlight, but have no other effect. If set to \setting{No},
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the first keypress will light up the remote backlight
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\emph{and} engage the function of the key that is pressed.
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\item[Contrast.]
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Changes the contrast of your remote's LCD display.
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\warn{Setting the contrast too dark or too light can make it hard to
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find this menu option again!}
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\item[LCD Mode.]
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This setting lets you invert the whole screen, so now you get a
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black background and light text and graphics.
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\item[Upside Down.]
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Displays the screen so that the top of the display is nearest
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the buttons. This is sometimes useful when carrying the \dap\ in a
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pocket for easy access to the headphone socket.
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\opt{remote_ticking}{
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\item[Reduce Ticking.]
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Enable this option if you can hear a ticking sound in your headphones
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when using your remote.
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}
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\end{description}
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}
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%
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\item[Scrolling.]
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This feature controls how text will scroll in Rockbox. You can configure
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the following parameters:
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\begin{description}
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\item[Scroll Speed.]
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Sets how many times per second the automatic horizontal scrolling text
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will move a step.
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\item[Scroll Start Delay.]
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Controls how many milliseconds Rockbox should wait before a new
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text begins automatically scrolling.
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\opt{lcd_bitmap}{
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\item[Scroll Step Size.]
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Defines the number of pixels the text should move for each step, as used
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by the Scroll Speed setting.
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}
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\opt{remote}{
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\item[Remote Scrolling Options.]
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The options here have the same effect on the remote LCD as the options
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mentioned above have on the main LCD.
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}
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\item[Bidirectional Scroll Limit.]
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Rockbox has two different automatic horizontal scrolling methods: 1) always
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scrolling the text to the left until the line has ended and then beginning
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again at the start, and 2) moving to the left until you can read the end of
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the line and then scrolling right until you see the beginning again.
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Rockbox chooses which method it should use depending of how much it has to
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scroll to the left. This setting lets you tell Rockbox where that limit
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is, expressed in percentage of the line length.
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\opt{lcd_bitmap}{
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\item[Screen Scrolls Out of View.]
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Screens can be manually scrolled horizontally by pressing
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\opt{RECORDER_PAD}{\ButtonOn+\ButtonRight/\ButtonLeft}%
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\opt{ONDIO_PAD}{\ButtonMenu+\ButtonRight/\ButtonLeft}%
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\opt{IRIVER_H10_PAD}{Long \ButtonRew/\ButtonFF}%
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\nopt{RECORDER_PAD,ONDIO_PAD,IRIVER_H10_PAD,MPIO_HD200_PAD,MPIO_HD300_PAD%
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,touchscreen}{%
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Long \ButtonRight/\ButtonLeft}.
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Setting this option to \setting{Yes}
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will keep the list entries at their fixed positions and allow them to be
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scrolled out of view, whereas \setting{No} will only scroll those entries
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which surpass the right margin.
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\item[Screen Scroll Step Size.]
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Defines the number of pixels the horizontal manual screen scroll should move
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for each step.
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}
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\item[Paged Scrolling.]
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When set to \setting{Yes} scrolling vertically on pages that surpass the
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screen size will page up/down instead of simply changing lines. This can be
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useful on slow displays.
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\nopt{scrollwheel}{
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\item[List Acceleration Start Delay.]
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This setting enables the acceleration of scroll speed in lists when
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holding \ActionStdPrev{} or \ActionStdNext{}. When set to
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\setting{Off} the acceleration is disabled. When any other value is set
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the acceleration will start to accelerate after holding
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\ActionStdPrev{} or \ActionStdNext{} for the chosen time (in
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seconds).
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\item[List Acceleration Speed.]
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This setting controls how fast the scroll speed accelerates. The scroll
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speed will increase every N seconds. For example, selecting
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\setting{Speed up every 3s} will increase the scroll speed every 3
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seconds while \ActionStdPrev{} or \ActionStdNext{} is held.
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}
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\end{description}
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%
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\opt{lcd_bitmap}{
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\item[Peak Meter.]
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The peak meter can be configured with a number of parameters.
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\begin{description}
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\item[Peak Release.]
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This determines how fast the bar shrinks when the music becomes
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softer. Lower values make the peak meter look smoother.
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Expressed in scale units per 10~ms.
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\item[Peak Hold Time.]
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Specifies the time after which the peak indicator will reset.
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For example, if you set this value to 5~s, the peak indicator displays
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the loudest volume value that occurred within the last 5 seconds.
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Larger values are useful if you want to find the peak level of a song,
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which might be of interest when copying music from the \dap\ via the
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analogue output to some other recording device.
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\item[Clip Hold Time.]
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The number of seconds that the clipping indicator will be visible
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after clipping is detected.
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\opt{recording}{
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\item[Clip Counter.]
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Show the number of times the clip indicator went active during
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recording in front of the peak meters.
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}
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\item[\label{ref:Peakmetersetting}Scale.]
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Select whether the peak meter displays linear or logarithmic values.
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The human ear perceives loudness on a logarithmic scale. If the Scale
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setting is set to \setting{Logarithmic} (dB) scale, the volume values
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are scaled logarithmically. The volume meters of digital audio
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devices usually are scaled this way. On the other hand, if you
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are interested in the power level that is applied to your headphones
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you should choose \setting{Linear} display. This setting cannot be
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displayed in units like volts or watts because such units depend
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on your headphones.
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\item[Minimum and maximum range.]
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These two options define the full value range that the peak meter
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displays. Recommended values for the \setting{Logarithmic} (dB) setting
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are {}-40~dB for minimum and 0~dB for maximum. Recommended values
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for \setting{Linear} display are 0 and 100\%. Note that {}-40~dB is
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approximately 1\% in linear value, but if you change the minimum
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setting in linear mode slightly and then change to the dB scale,
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there will be a large change. You can use these values for `zooming'
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into the peak meter.
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\end{description}
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}
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\item[\label{ref:Defaultcodepage}Default Codepage.]
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A codepage describes the way extended characters that are not available
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within the ASCII character set are encoded. ID3v1 tags do not have a
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codepage encoding contained so Rockbox needs to know what encoding has
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been used when generating these tags. This should be ``ISO-8859-1'' but
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to support languages outside Western Europe most applications use
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the setting of your operating system instead. If your operating system
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uses a different codepage and you are getting garbled extended characters
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you should adjust this settings. In most cases sticking to
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``ISO-8859-1'' would be sufficient.
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\end{description}
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