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The Sentry Xpress 4.0 micro processor is manufactured by the
Orton Ceramic Foundation and displays the CE mark.
Hr./Min.
When Lit
HIGHER
°C
°F
When Off
When Lit
START/
STOP
LOWER
Program
Review
Run
M I C R O P R O C E S S O R
TM
SENTRY
Xpress
4.0
Enter
Program
Skip Seg.
Add Hold
Change Temp.
T/C Offset
Alarm
Delay
Review
1
START/STOP Key
Starts and stops a firing.
Press after each
programming step. It works like the
Enter key on a computer.
Down Arrow Key
From
press
. The program
you have selected will ap-
pear one step at a time.
When
appears,
press
. Page 4
From
press
.
Enter delay time. Press
. Page 4
During firing, press
. The program you
entered will appear one
step at a time. Page 4
Indicator
Lights
Temperature Display
Tempera-
ture display is in °F.
Temperature display is in °C.
See page 13 for instructions
on selecting °F and °C.
Time Display
: Sepa-
rates hours from minutes. Ex-
ample: Display shown above
is 1 hour and 30 minutes.
°C Display Dot
Cone Fire/Ramp-Hold Version
°F
°C
Sentry Xpress
Digital Temperature Controller
IM-222/8-07
Light is
on during pro-
gramming.
Light is
on during pro-
gram review.
Light
blinks during firing.
Up Arrow Key
From
press
. Press
to select Cone-Fire or
Ramp-Hold. Pages 6, 8
During a
Ramp-Hold firing, press the
.
will appear. Press
. The current segment
ramp or hold number will ap-
pear. To skip, press
again. Page 10
During a
Ramp-Hold firing, press
repeatedly until
ap-
pears. Press
. Each time
you press the
, the
hold time for the current seg-
ment will increase by 5 minutes.
Then press
.
Page 10
During a Ramp-Hold firing,
press
repeatedly until
appears. Press
.
Use the arrow keys to change
the target temperature for the
current segment. Then press
. Page 10
During a fir-
ing, press
repeatedly
until
appears. Press
. Use the arrow keys to
change the alarm temperature.
Press
. To silence the
alarm, press any key. Page 10
At the
display,
press
.
will ap-
pear. Use arrow keys to adjust
the controller to fire hotter or
cooler. Press
to return to
. Page 13
*These features are new with the Sentry Xpress 4.0. If your controller does
not have these features, it is an earlier controller.