Thermo Scientific TVA2020, Instruction Manual

Page: 53 / 190

Display Menus
Alarm Levels
Thermo Fisher Scientific TVA2020 Instruction Manual 3-13
Use the following procedure to access the low ceiling alarm.
1. From the ALARM LEVELS display, press 2=Low Ceiling. The
previous alarm settings for the Low Ceiling alarm are displayed.
FID PID/FID
FID: 100ppm PID: 100ppm
FID: 100ppm
Low Ceiling Alrm Low Ceil: 1=Both
Enter=New Value 2=PID 3=FID
2. To change the alarm level to a new value, press ENTER on a single
detector instrument or 1, 2, or 3 on a dual detector instrument.
FID PID/FID
Enter low ceil: Enter Low ceil:
FID: 000500ppm P&F: 000500ppm
Up/Dn=Next Unit Up/Dn=Next Unit
Enter=Accept Enter=Accept
Use the up and down arrow keys to select ppm or %, and decimal point
position, and then type the numeric value for the alarm level desired.
3. Press ENTER to store the new values into instrument memory.
4. Press EXIT to return to the ALARM LEVELS without making a
change.
Low Ceiling Alarm