Instruction manual
Fyrite
 INSIGHT
 Plus Manual  Operation 
0024-9487 Rev 2  77 
4.7.4. Stack Temperature Hot Spot Screen 
Hot Spot 
Component 
Description 
Hot Spot Graph 
•  Press RUN/HOLD to start/stop 
the hot spot function. 
•  T-STACK parameter name 
shown in graph. 
•  Limits are determined 
automatically. 
•  Dynamic “current value” pointer indicates real-time value. 
•  Color of “current value” pointer is based on limit status: 
Black (Top):  Hottest reading since last “Clear” 
Red (Bottom):  Current reading 
•  Ideally, position probe so current reading (bottom) and 
highest reading (top) match. 
Left Arrow 
•  Press the LEFT () arrow to go to the Bar Graph Screen. 
Right Arrow 
•  Press the RIGHT () arrow to go to the main RUN/HOLD 
Screen. 
Clear (F1) 
•  Press the F1 button to clear the display and restart if in RUN 
mode. 
Menu (F2) 
•  Press the F2 button to return to the Main menu. 
4.8. Taking Ambient CO Measurements (Siegert Only) 
This procedure  takes approximately 15 minutes to complete and provides a 
minute-by-minute snapshot of CO readings, as well as a “Max CO” value that 
represents the highest CO reading measured during the entire 15-minute test. 
Results can be saved to memory, downloaded, and/or printed. Use the 
following procedure to perform an ambient CO measurement. 
Step  Example Procedure for Taking Ambient CO Measurements 
1 
Turn on the instrument  in a fresh air environment and wait for 
initialization to complete.
2 
Verify successful initialization (no errors). 










