Inputting The Gain Value - GRAPHTEC FC2250 Service Manual

8.8 Inputting the Gain Value

When the main board was replaced input the gain value of factory setting with this mode.
(1) Set the SW1 DIP switch as shown below and then turn on the plotter.
Set bits 3, and 8 to OFF
1 2 3 4 5 6 7 8
(2) The LCD displays the following:
GAIN
X=xxx
(3) Input the gain values by using the position keys.
(4) Press the [Enter] key.
(5) Turn off the plotter and then return the DIP switch to its normal settings.
FC2250-UM-251-9370
ON
OFF
Y=xxx
8. ELECTRICAL ADJUSTMENTS
8-13