Clearing The Non-Volatile Ram - GRAPHTEC CE5000-40CRP Service Manual

7.4 Clearing the Non-Volatile RAM

When you replace the main board, you must clear the Non-Volatile RAM (NOV-RAM).
If you clear the Non-Volatile RAM, you will lose the setup parameters for each adjustment.
Input the adjustment values to the main board after you clear the Non-Volatile RAM.
How to clear the Non-Volatile RAM.
(1) Set SW1 to the NOV-RAM clear mode as shown below.
Set bit 3 to ON.
SW1
1 2 3 4
(2) Turn on the power to the plotter.
(3) The NOVRAM INIT. menu appears. The plotter immediately starts to clear the parameters on the NOV-
RAM, and then sets the default values.
NOVRAM INIT.
(4) When the NOV-RAM clear operation is complete, a menu for model selection appears on the LCD panel.
CE5000-40CRP
(5) Select your plotter model using the UP and DOWN ARROW keys, and then press the ENTER key to
register your plotter model setting.
(6) When the model selection is complete, the END message appears on the LCD panel.
CE5000-40CRP END
(7) Turn off the power to the plotter.
(8) Return the SW1 setting to normal mode as shown below.
Set all the bits to OFF.
SW1
1 2 3 4
CE5000-UM-251-9370
ON
OFF
ON
OFF
7. ELECTRICAL ADJUSTMENTS
7-3