Epson DM-M820, Technical Reference Manual, Page: 122 / 324

4-72 OS and Drivers Rev. I
❏
[Text mode]
This changes the picture of the mouse icon to the character display.
❏
[Always on top]
When this is selected the Event Selector icon is always displayed on top of other
applications.
❏
[About Event Selector]
This displays about the version information of the Event Selector.
Touch Panel Driver for MS-DOS
When the LCD panel is changed or the TTDOS is installed, calibrate the Touch Panel by using
the calibration.
Note:
TTDOS must load before the calibration.
Follow the procedures below to calibrate.
1. Type the following:
TBcal Enter
2. The Main Menu appears.
3. Enter “H” to execute the hardware calibration.
4. Follow the onscreen instructions.
5. The message “Calibration successful” appears. Press the option key to return the main
menu.
6. Next, execute the software calibration. Select and enter the calibration number of the text
mode or graphics mode.
Select one of the modes below:
1.40X25 Text
2.80X25 Text
6.640X480 Graphics
7. An “X” appears on the screen. Touch the center of the “X.”
Primary operation Secondary operation