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Mircom LT-9284 Operating instructions

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LT-9284 Instructions for Installing DSPL-420RK Rev. 0
LT-9284 Instructions for Installing DSPL-420RK
LT-9284 Instructions for Installing DSPL-420RK
Some of the lower buttons on the main display of the FX-2000N may not be making contact. This is due to
flexing of the circuit board behind these buttons. The DSPL-420RK retro-fit kit addresses this issue by
providing a chassis (CH-1122) that is to be attached behind the main display. This prevents the circuit board
from flexing and allows the buttons to make contact.
To install the DSPL-420RK, perform the following steps.
1. Shut down the FX-2000N.
2. Open the FX-2000N in order to gain access to the back of the main display.
3. Remove the two screws located at the bottom of the printed circuit board.
4. Place the CH-1122 chassis on the bottom of the printed circuit board and secure it using the screws
removed in step 3.
Note: There is a protective backing on one side of the CH-1122 chassis that protects the circuit board
from the chassis. The CH-1122 must be installed in the orientation shown in order to protect the
circuit board.
CH-1122
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