Thermo Scientific MIRAN 205B Series, Instruction Manual, Page: 31 / 214

Chapter 4 Operation
4-9
If the instrument is not set up for zero autosave mode, the display asks to save the new
zero. Press “1” to repeat the zeroing procedure or ENTER to save the zero. The display
responds “ZERO SAVED.”
┌────────────────────────────────────────┐
│╒══ CURRENT APPLICATION ══╕ │
││ │ Save this │
││ │ zero? │
││ │ │
││ METHANE: ---- ppm │ Status: Valid │
││ │ │
││ │ 1=Repeat zero │
│└───────────────────────┘ Enter=Save │
└────────────────────────────────────────┘
Zeroing Save Display
The instrument then displays the Install Particulate Filter screen, shown below. When the
filter is connected to the IN port, press ENTER.
┌────────────────────────────────────────┐
│╒══ CURRENT APPLICATION ══╕ │
││ │ │
││ │ Install │
││ │ particulate │
││ METHANE: ---- ppm │ filter │
││ │ │
││ │ │
│└───────────────────────┘ Enter=Continue │
└────────────────────────────────────────┘
Install Particulate Filter Display
Wait for the sample to fill the cell. The filling progress is shown on the display. Press
ENTER to shortcut this procedure. If the purge is skipped, wait about 10 seconds for the
cell to reach equilibrium. Press “1” to start logging as soon as the sample fill is complete.
┌────────────────────────────────────────┐
│╒══ CURRENT APPLICATION ══╕ Wait for cell │
││ │ to fill with │
││ │ sample... │
││ │ │
││ METHANE: ---- ppm │ 15 seconds │
││ │ │
││ │ 1=Start Logging │
│└───────────────────────┘ Enter=SkipPurge │
└────────────────────────────────────────┘
Purge Process Display