Operating Procedures
EZCT and EZCT-10
11
4.0 PRETEST SETUP
4.1 Operating Voltages
The EZCT
operating voltages are pre-set for 90-130Vac, 50/60Hz or 210-240Vac, 50/60Hz. at
the factory.
4.2 EZCT LCD Contrast Control
The EZCT uses a 4 lines by 16 characters back-lighted LCD. To Darken the LCD display, press
a
nd
hol
d
t
he
“
Pa
pe
r
Cont
r
a
s
t
”
s
wi
t
c
h
f
or
t
wo
s
e
c
onds
a
nd
t
he
LCD
wi
l
l
be
gi
n
t
o
da
r
ke
n.
To
l
i
ght
e
n
t
he
LCD
di
s
pl
a
y,
pr
e
s
s
a
nd
hol
d
t
he
“
Pa
pe
r
Cont
r
a
s
t
”
s
wi
t
c
h
f
or
t
wo
s
e
c
onds
a
nd
t
he
LCD will begin to lighten.
4.3 EZCT Printer Control
To
a
dva
nc
e
pr
i
nt
e
r
pa
pe
r
,
pr
e
s
s
“
Pa
pe
r
Cont
r
a
s
t
”
s
wi
t
c
h
onc
e
.
Pa
pe
r
wi
l
l
a
dva
nc
e
f
r
om
pr
i
nt
e
r
.
Pr
e
s
s
“
Pa
pe
r
Cont
r
a
s
t
”
s
wi
t
c
h
onc
e
,
pa
pe
r
wi
l
l
move
ba
c
kwa
r
d
i
nt
o
pr
i
nt
e
r
.
4.4 RS-232C Computer-Interface port
An IBM PC software package supplied with each EZCT allows the user to retrieve test records
stored in the EZCT memory or control the EZCT from the PC.
4.5 EZCT Printer Paper
The EZCT
printer uses 4.5-inch wide thermal paper for printing test results. We recommend
that to maintain the highest quality printing and to avoid paper jamming, use paper supplied by
our factory. Paper can be ordered from two sources, as follows:
Vanguard Instruments Co, Inc.
1520 S. Hellman Ave
Ontario, CA 91761
Tel: 909-923-9390
Fax: 909-923-9391
Part Number: TP-4 Paper
Or
BG Instrument Co.
12607 E. Trent Avenue
Spokane, WA 99216
Tel: 509-893-9881
Fax: 509-893-9803
Part Number: TP-4 paper
