![background image](http://html.mh-extra.com/html/bodet/kelio-visio/kelio-visio_instructions-manual_2782429008.webp)
8
6. ADJUSTING AND TESTING THE TERMINAL
The LCD’s screen contrast can be adjusted (see below).
It must be noted that the RS232 serial link can be tested with two test DIP switches (see below).
Tw
o r
ed R
S2
32 t
es
t D
IP
s
w
itc
hes
S
tandar
d ope
rat
ion p
os
ition:
Tes
t pos
ition:
Adj
us
tin
g t
he L
C
D
di
spl
ay
c
ont
ras
t
R
es
et
p
us
h
bu
tton
(red)