MAINTENANCE
LCD SCREEN
Giv n correctly within a certain range
of a b +10°C to +40°C.
"WHIT
en its design the screen can only functio
m ient DNC temperatures, namely from
E" SCREEN
Low temperature
At reen will remain temporarily
wh mentioned above is attained.
If the temperature around the DNC is below 10°C, then it will suffice to
switch on a few minutes before operation starts. The duration of this
warming up period depends on the ambient temperature, and it can be of the
very low.
"BL
low temperature (less than 10°C), the sc
ite (transparent) until the temperature range
order of 15-20 minutes if the temperature is
ACK" SCREEN
High temperature
At h the screen will remain temporarily
"black temperature returns to a value within the
ran e DNC is fixed within a heat generating
enc
whol
igh temperature (above 40°C)
" (opaque) until the working
ge mentioned above. If th
losure (such as an electrical cabinet), the solution consists of cooling the
e unit to bring down the temperature to within the limits quoted here.
ADJUSTMENT
Adjusting the contrast
he screen contrast as soon as
the scribed limits. To adjust the screen
vie the following steps
In the two cases above it is possible to adjust t
temperature approaches the pre
wing angle (contrast), take
Select the programming mode
.
Go to a page where access to the P field (Program) is possible.
Position the cursor on the P field.
To increase the contrast (lighten), p ress the
key.
To decrease the contrast (darken), press the
key.
PAGE 96 USER GUIDE DNC 600S
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