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Keypad
The keypad consists of six keys and enables menu-driven
operation of the controller board.
Figure 5 Controller board keypad
For information on the meanings of the individual buttons,
please refer to the cover page at the end of this guide.
Test Mode Button
This button is on the bottom right of the keypad on the front
plate of the controller board.
Figure 6 Test mode button
For information on the function of the test mode button,
please refer to the Section "Startup for Testing the INTERBUS
System" on page 24.
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