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3.
Pressing Pen Home will scroll to the next alarm option. The options are as follows:
a. alarm on or off
b. pen 1 alarm min
c. pen 1 alarm max
(if two pen unit the following states also exist)
d. pen 2 alarm min
e. pen 2 alarm max
4.
In order to set pen alarm minimums and maximums, pressing the Adjust-Up will increase the alarm value,
and pressing the Adjust-Down will decrease the alarm value. There is acceleration if the Adjust-Up
button is held down. Repetitively pressing the pen home button will scroll through the five options until
the alarm button is pressed to exit from alarm adjust. Each press of the Pen Home or Alarm button
will store the new settings. The unit will take one minute to exit Alarm Set Mode once the Alarm button
is pressed.
5.
If the alarm is triggered, ALRN will show on the display, the led will show as solid red and the alarm will
sound. Press the Alarm button to silence Audible Alarm.
Pen Home
Press the "PEN HOME" button while the unit is operating and the pens move to the outside of the chart.
Press the "PEN HOME" button again and the pens will return to current reading points on the chart.
Alarm Relays (Optional)
Figure 3
The SPST 24V 500mA relay contacts are normally open and will close on alarm conditions when the alarms
are enabled. Relay contacts are always functional when the alarm is enabled. The relay will close only
during minimum and maximum alarm conditions. 2 pen models have two sets of relay contacts which
operate independently.
Rev. 03/08
Adjust Buttons
Dip Switches
Battery
Compartment
Relay Contacts
AC
Adapter
Jack
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