
48 • Calibration Program
Normal
Operation
ENTER
ESCAPE
Calibration
Timeout
Selection
Calibration
Program Enter
ENTER/ESCAPE
Yes
No
Transmitter
Transmitter
Calibrate
Channel 2 Y/N?
Direct Connect
Calibrate
Channel 2 at
Detector Head
Air Adjust
Channel 2
Press Enter
When Done
Select Cal. Gas
Concentration
for Channel 2
Apply Gas to
Ch. 2 Detector
Press Enter to
Adjust Span
Yes
No
Yes
Calibrate
Channel 1 Y/N?
Transmitter
Calibrate
Channel 1 at
Detector Head
Press Enter
When Done
Press Enter to
Adjust Span
Direct Connect
Air Adjust
Channel 1
Select Cal. Gas
Concentration
for Channel 1
Apply Gas to
Ch. 1 Detector
Figure 13. 4 - 20 mA & Direct Connect Detector Head(s)