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6 DM-D110/D210 User’s Manual
English
Self Test
A self-test function is built into the DM-D110 and DM-D210. Execution of the self-
test function can be configured using the DIP switches.
Self-Test Items
The self-test performs the following steps.
❏ Displays the version of the firmware
❏ Displays the configuration of the DIP switches
❏ Displays the configuration of the memory switches
❏ Introduces the display text
❏ Introduces each of the functions (brightness, blinking, scrolling, etc.)
Executing the Self Test
The self-test can be executed using the following procedure.
1. Turn off the power switch.
2. Set SW1-8 of DIP switch 1 to ON.
3. Turn on the power switch. The self-test screen is displayed.
If the self-test is completed successfully, the unit enters data reception standby
mode.
DIP Switches
The DIP switches configure the communication settings and whether a self-test is
required.
CAUTION:
Do not remove the DIP switch cover until after turning the power off. Removing
the cover while the power is turned on may damage the device.
Use the following procedure to configure the DIP switches.
1. Turn the power switch off.
2. Remove the DIP switch cover.
3. Use a pointed object to flip the switches.
4. Attach the cover and turn the power switch on.
DIP Switch 1 Functions
(*1) Executes the self-test once only when the power is turned on.
DSW1 No. Function ON OFF Default Setting
1-1 Received Error Data Ignore “?” Display OFF
1-2 Receive Data Length 7bit 8bit OFF
1-3 Parity With Parity No Parity OFF
1-4 Parity Selection Even Odd OFF
1-5 Communication Speed
Switching
Refer to “Transfer Speed Switching” ON
1-6 OFF
1-7 ON
1-8 Execute Self-Test (*1) Yes No OFF