Single-Speed / Ramp-Hold Version
Sentry Xpress
Digital Temperature Controller
°F
°C
°C Display Dot
Temperature Display
Temperature
display is in °F.
perature display is in °C.
See page 12 for instructions on
selecting °F or °C.
Time Display
: Sepa-
rates hours from minutes. Ex-
ample: Display shown above
is 1 hour and 30 minutes.
IM-221/7-11
Hr./Min.
When Lit
Tem-
SENTRY
M I C R O
START/STOP Key
Starts and stops a firing.
Press after each
programming step. It works like the
Enter key on a computer.
Up Arrow Key
press
. Press
to select Single-Speed or
Ramp-Hold. Pages 6, 8
During a
Ramp-Hold firing, press the
.
will appear. Press
. The current segment ramp
or hold number will appear. To
skip, press
again. Page 8
During a
Ramp-Hold firing, press
repeatedly until
Press
. Each time you press
the
, the hold time for the
current segment will increase by 5
minutes. Then press
Page 8
*These features are new with the Sentry Xpress 4.0. This manual, neverthe-
less, is backward compatible with earlier controllers.
START/
HIGHER
LOWER
STOP
Delay
Skip Seg.
Review
Add Hold
Enter
Change Temp.
4.0
Program
Xpress
T/C Offset
Alarm
P R O C E S S O R
The Sentry Xpress 4.0 micro processor is manufactured by the
Orton Ceramic Foundation and displays the CE mark.
During a Ramp-Hold firing,
press
From
appears. Press
the arrow keys to change the target
temperature for the current seg-
ment. Then press
press
appears. Press
the arrow keys to change the alarm
temperature. Press
lence the alarm, press any key.
Page 9
appears.
At the
.
row keys to adjust the controller to
fire hotter or cooler. Press
.
to return to
Program
Review
Run
°F
When Off
°C
When Lit
TM
Down Arrow Key
gram you have selected
will appear one step at a
time. When
pears, press
repeatedly until
Page 4
. Use
. Page 9
Enter delay time. Press
During a firing,
repeatedly until
. Use
During firing, press
. To si-
entered will appear one
step at a time. Page 4
display, press
will appear. Use ar-
. Page 12
Indicator
Lights
Light is
on during pro-
gramming.
Light is
on during pro-
gram review.
Light
blinks during firing.
From
press
. The pro-
ap-
.
From
press
.
twice. Page 4
. The program you
1