Specifications

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET NEXT
E
DM-D110
Specification
(STANDARD)
34 33
4.4 Self-test
4.4.1 Starting the self-test
There are two ways to start the self-test, as follows:
• Use US @ commands.
• Set the display to “Execute self-test” using DIP switch 1-8, and then turn on the power.
4.4.2 Ending the self-test
• After a series of self-tests is executed, the screen is cleared, the cursor is moved to the home
position, and the display goes into the standby state.
4.4.3 Contents of the self-test
The self-test shows the following:
• Control ROM version.
• DIP switch states.
• Memory switch settings
• Display characters.
• Functions.
4.4.4 Notes
1) During the self-test, only the self-test is processed; data is not processed.
➀ During the self-test, DTR (DM-D110 → host interface) goes to the MARK state.
➁ The DM-D110 does not receive data during the self-test.
➂ The DM-D110 does not transmit data to the printer.
2) Upon the completion of the self test by the US @ command, the following information and settings
are held:
➀ Contents of the receive buffer when receiving the self-test command and starting the self-test.
➁ Defined contents of user-defined characters.
➂ Defined contents of the macro processing program.
➃ Counter (time) settings.
4.5 RAM Check
When the power is turned on, the built-in RAM is checked. If an error is detected, the following occurs:
1) The error message is displayed.
2) The display does not operate (idle state) until the power is turned off.