Kurz Instruments Inc. December 13, 2007
360210-AH Rev.A 504/534FTB Installation AH - 17
Orientation of the LCD Keypad
Turn the power off to the unit before performing this procedure to prevent damage and
protect you from explosions ignited from electrical sparks.
Within the electronics head, the LCD keypad can be mounted in any one of four 90 °
rotated positions for best viewing and hand access. It mounts to four standoffs using the
screws seen on the keypad. When performing the display rotation, standard electronics
handling procedures to prevent ESD must be used. Use a wrist strap between yourself
and the enclosure body before taking the display board out to rotate it.
The short ribbon cable between the sensor electronics and display board must have its
connectors fully seated in the PCBs before you carefully screw down the board using the
provided screws. RTV works as an adhesive to keep the connector attached to the
display board. It is applied between the outside of the connector and PCB, not the inside
on the electrical pins .The ribbon cable connectors have a pin 1 mark which must match
that of the PCB connector at each end. The ribbon cable will route towards the center of
each PCB when properly mounted.
There is an LCD contrast adjustment on the back of the LCD/keypad board which can be
adjusted with a small flathead screwdriver as needed for best viewing of the screen.
However, it is Factory set for equal viewing at 0 and 60 degrees C so it is not optimized
at room temperature. When too cold the display is white and when too hot, the display
will be dark.
Figure AH-10. 90° display rotation options.
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