Seiko Group 201 - Manual (Page 38)

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Self Test
The DM-D500 has a self test function. If you want to perform a self test,
you must change the setting of the DIP switch.
Check Items of Self test
The following items are checked during the self test:
❏ Control ROM version
❏ DIP switch settings
❏ Example of display characters
❏ Example of each function, such as brightness, flashing, and scroll
Performing Self test
To perform the self test, follow the steps below.
1. Turn off the power for the DM-D500.
2. Set the SW 2-2 of the DIP switch 2 to ON, and turn on the power.
Note:
If the contents of the self test are not displayed, the DM-D500 may be
malfunctioning. Please contact your DM-D500 dealer for assistance.
When the self test is finished and no error occurs, the cursor is
displayed at the home position; then the DM-D500 is ready to receive
data.