2. How to replace the display block
(1) Place the main block to make the display block at right angle to the mounting table.
(2) Open the screw cover of the main block.
(3) Loosen the 2 thumbscrews securing the display block.
* The thumbscrews shall be loosened until the screws rotate without resistance.
(4) Hold the both sides of the display block and pull out the block slowly.
(5) Prepare a new display block and perform replacement in accordance with the procedure 1,
"How to mount the display block".
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