Lcd Commands; Properties - CipherLab 8 Series User Manual

4.16 LCD COMMANDS

The liquid crystal display (LCD) on the mobile computer is FSTN graphic display. The
display capability may vary due to the size of LCD panel.
A coordinate system is used for the cursor movement routines to determine the cursor
location — (x, y) indicates the column and row position of cursor. The coordinates given
to the top left point is (0, 0), while those of the bottom right point depends on the size of
LCD and font. For displaying a graphic, the coordinate system is on dot (pixel) basis.
Series
8000
8300
8200, 8400
8500, 8700

4.16.1 PROPERTIES

Contrast: Level 1 ~ 8. It is set to level 5 by default.

Backlight: It is turned off by default. The shortcut key [FN] + [Enter] can be used as

a toggle except for 8200/8400 Series, which has a backlight key instead.
Note: When the backlight is turned on by pressing [FN] + [Enter] simultaneously, it is
set to level 2 on 8200/8400/8500/8700 Series.
BACK_LIGHT_DURATION
Purpose To specify how long the backlight will last once the mobile computer is 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)
Screen Size
100 x 64 dots
128 x 64 dots
160 x 160 dots
160 x 160 dots
Chapter 4
Top_Left (x, y)
(0, 0)
(0, 0)
(0, 0)
(0, 0)
' backlight lasts for 20 seconds
BASIC Commands
Bottom_Right (x, y)
(99, 63)
(127, 63)
(159, 159)
(159, 159)
119