Marathon Monitors Inc.
AACC 2000 Carbon Nov. 1, 1997
25
Button or
indicator Name Explanation
OP1
Output 1 When lit, it indicates that the output installed in
module position 1 is on. This is normally the
heating output on a temperature controller.
OP2
Output 2 When lit, it indicates that the output installed in
module position 2 is on. This is normally the
cooling output on a temperature controller.
SP2 Setpoint 2 When lit, this indicates that setpoint 2, (or a
setpoint 3-16) has been selected.
REM Remote setpoint When lit, this indicates that a remote setpoint
input has been selected.
‘REM’ will also flash when communications is
active.
Auto/Manual
button
When pressed, this toggles between automatic
and manual mode:
• If the controller is in automatic mode the
AUTO light will be lit.
• If the controller is in manual mode, the MAN
light will be lit.
The Auto/Manual button can be disabled in
configuration level.
Run/Hold button
• Press once to start an automatic Probe care
cycle
• This RUN light indicates when ever a probe
care function is in progress
Page button Press to select a new list of parameters.
Scroll button Press to select a new parameter in a list.
Down button Press to decrease a value in the lower readout.
Up button Press to increase a value in lower readout.
Figure 2-3 Controller buttons and indicators