GU256X64D-7000
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7.1.21 US w n (Specifies write mixture display mode)
Code: 1FH 77H n
n : Specif display write mode
Definable area: 0 ≦ n ≦ 3
n = 0: Normal display write. (Not mixture display)
n = 1: OR display write
n = 2: AND display write
n = 3: EX-OR display write
Default: n = 0
Function: Specifies write mixture mode. The new character or graphic image display mixed with
current display image stored in display memory is overwritten to the display memory.
7.1.22 US X n (Brightness level setting)
Code: 1FH 58H n
n : Brightness level setting
Definable area: 1 ≦ n ≦ 8
Default: n=8
Function: Specify brightness level of whole display screen.
n Level
1 12.5% 2 25%
3 37.5% 4 50%
5 62.5% 6 75%
7 87.5% 8 100%
7.1.23 US ( a n [parameter] (Display action command group)
Function: Execute processing of display action command.
n Function No. Function
01H Function 01H Wait
10H Function 10H Scroll display action
11H Function 11H Blink display action
40H Function 40H Screen saver
n: specify function code.
The next command or data is not excuted until display action processing is ended.
7.1.24 <Function 01H> US ( a n t (Wait)
Code: 1FH 28H 61H 01H t
n: Classify command
t: Wait time
Definable area: n = 01H
0 ≦ t ≦ 255
Note: Wait time, define, command, and data processing are stopped while waiting by this
command. Wait time = t X approx. 0.5sec
