Cryo-con Model 24C
Front Panel Menu Operation
Front Panel Menu Operation
Instrument Setup Menus
To access the various instrument setup menus, press one of the Setup Menu keys.
The display must be in ‘Home Status’ in order for these keys to be active.
The user may exit a Setup Menu and return to the Home Status display at any time by
pressing the
Home
key.
Menus contain several lines, so scroll through the display using the Navigation keys.
The last character of each line in a setup menu is the format indicator. The indicator
will be blank until the cursor is moved to the line.
Format indicators are:
# - Numeric entry.
+
- Enumeration entry using the
+
and
0
keys.
- The line is selected by pressing the
Select
key.
The Setpoint Menu
The setpoint menu is accessed by pressing the
Set Pt
key. This gives one-key
access to the setpoints for all of the control loops.
Press the
Home
key to exit the menu without update.
The Alarm Status Display Menu
The current status of the temperature alarms may be viewed by pressing the
Alarm
key.
Alarms are set for each input channel using the Input Channel Setup menu described
below.
When an alarm is asserted, the Alarm LED on the front panel will light. Pressing the
Alarm
key will display all of the alarms. Status is shown as follows:
—
No alarm
LO
Low temperature alarm
HI
High temperature alarm
The letter
L
at the end of the line indicates that the alarm is latched. A latched alarm is
asserted when the alarm condition is set. It stays asserted until it is manually cleared
by the user.
i
Note:
To clear a latched alarm, first press the
Alarm
key to view
the alarms and then press the
Home
key to clear the latch and return
to the Home display.
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