Emerson I-0021 User Manual

Page of 238
5 - 30
NGA 2000
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
Notes:
♦ 
You can enable or disable each range in the lines "Usage of range -1, ..., -4".
♦ 
"Range -4" has not to be the biggest range.
Set up parameters:
♦ 
Select any line of variables with the 
↓↓
 -key or the 
↑↑
 -key.
♦ 
Select the variable with the 
88 
 -key or the 
 -key.
♦ 
Select any digit with the 
 -key or the 
 -key and adjust a new value with
the 
↑↑
 -key or the 
↓↓
 -key
resp. select the whole parameter with the 
↑↑
 -key or the 
↓↓
 -key.
♦ 
Confirm the new value with the 
88 
 -key or
cancel and go back to the last value with the F2 key.
Line of variables "Switch level hysteresis":
The value in this line determines the level hysteresis between the ranges for autoranging.
The hysteresis is calculated as percentage of the current end of range.
Options: 10 to 50% (Standard value: 10%)
Example:
Switch level hysteresis: 10%;
End of range -1, -2, -3, -4: 500, 1000, 1500, 2000 ppm
Via the F5 key (More...) you can change to the submenu "Actual Switch levels", where you
will find switch levels between the ranges of the current channel:
500 ppm
1000 ppm
1500 ppm
2000 ppm
1350 ppm
900 ppm
450 ppm
0 ppm
Range: 1
Range: 2
Range: 3
Range: 4
Measure
Channel
Back...
TAG
F1
F2
F3
F4
F5
95.00 ppm
-- Actual Switch levels --
500.0  ppm
2 --> 3:
2 <-- 3:
900.0  ppm
1500  ppm
1 <-- 2:
3 <-- 4:
1350  ppm