7--11
133
" Follow the necessary precautions to protect against electro---static discharges
to avoid damaging the chip (do not, for example, wear rubber---soled shoes or
woollen clothing etc.).
" Remove the old eprom from its socket and replace with a new one, taking
care to fit it correctly (see photo below).
M27CI00I
-- 1 5 F I
BHHAE
93I8B
KOREA
ST
Assembly reference notch
" Refit the cards in their housings, close the controller with a guard panel and
reinsert the terminals. Test the machine
Adjusting the display brightness
If external factors like changing ambient lighting conditions in the machine
installation site, affect visibility, adjust the brightness of the control and program-
ming console display. This is very important since the operator must be able to
clearly read the display messages at all times.
" To adjust the brightness, first remove the screws fixing the front console pan-
el. The photo below illustrates the MEP 24 controller card on which the
brightness potentiometer is marked by an arrow.
" Using a screwdriver, rotate the potentiometer until the required display
brightness is obtained.
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General