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Reference
Section 6-2
7-2-4 Controlling the NT600S Status
The NT600S status can be controlled by the Host.
Turning OFF the Backlight / Preventing Afterimage
By turning off the backlight or the screen using the following command, the back-
light service life can be maximized when using the LCD model NT600S and the
generation of afterimages can be prevented when using the EL model NT600S.
Screen Display Control
Format
1B
[ESC]
m
1
50
P
m
1
: Display on or off
0(30
H
): on
1(31
H
): off
Description Turns off the backlighting of LCD model PTs; turns off the entire display of EL
model PTs.
The display is switched back on when any point on the NT600S’s screen is
pressed.
The specified screen is displayed when the Display Specified Screen Command
(refer to
7-2-1 Display Specified Screen
) is transferred.
Turning the Buzzer ON/OFF By using the following command, it is possible to control the ON/OFF status of the
buzzer built into the NT600S from the Host.
Two buzzer modes are provided; continuous beep and short intermittent beep.
Buzzer Control
Format
1B
[ESC]
m
1
54
T
m
1
: Buzzer status
0(30
H
): Buzzer off
1(31
H
): Continuous buzzer
2(32
H
): Short intermittent buzzer
3(33
H
): Long intermittent buzzer
Description Controls the NT600S buzzer.
The buzzer turned on with this command can be stopped with a stop command, by
displaying a screen with no buzzer attributes.
It is also possible to stop the buzzer using the “buzzer stopkey (230)”, which isone
of the system keys.