Metrologic IS1000 Series Guía de usuario Pagina 89

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Chapter
5
BASIC
Commands
83
Remarks
"mode%" is an integer variable, indicating the input mode.
Value Meaning
0
1
2
Nothing will be displayed on the LCD.
The input characters will be displayed on the LCD (default).
"*" will be displayed instead of the input characters.
Example
LOCATE 1,1
INPUT_MODE(1)
INPUT Login$
LOCATE 2,1
INPUT_MODE(2)
INPUT Password$
5.15 LCD Commands
This section describes the commands relating to the liquid crystal display (LCD).
5.15.1 Graphic Display
Almost all the portable terminals are equipped with a graphic display allowing the
programmer to show an image on it. A coordinated system is also used for governing the
cursor movement. The coordinates of the top left position are assigned with (1,1) while
those of the bottom right position depends on the varying size of both screen and font.
BACK_LIGHT_DURATION
Purpose
To determine how long the backlight will last once being turned on.
Syntax
BACK_LIGHT_DURATION(N%)
Remarks
"N%" is an integer variable, indicating a period of time in units of 1 second.
Example
BACK_LIGHT_DURATION(20) ' backlight lasts for 20 seconds
See Also
LCD_CONTRAST, SET_VIDEO_MODE
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