Thermo Electron 48C, Instruction Manual

Page: 86 / 204

Chapter 3 Operation
3-62
Max CO Concentration Limits . The Max CO Concentration limit screen, shown
below, is accessible only when the instrument is in the service mode. It is used to change
the maximum CO concentration alarm limit. Setting the maximum alarm level to 00000.0
disables the alarm.
To display the Max CO Concentration limit screen (service mode on):
From the Main Menu choose Alarm
From the Alarm menu choose CO Concentration
From the CO Concentration menu choose Max
To use the Max CO Concentration limit screen (service mode on):
Use the
↑
and
↓
pushbuttons to increment/decrement the value
Use the ← and → pushbuttons to move the cursor left and right
Press
ENTER
to accept the change
Press
MENU
to return to the CO Concentration menu
Press
RUN
to return to the Run screen
Set Max CO Concentration Screen
MAX PPM 00000.0
SET TO 00050.0
78 INC/DEC