Honeywell Midas, User Manual

Page: 73 / 160

Midas
®
Gas Detector
7-21
7.4.4 Stimulate 4-20mA ‘4-20 mA’
1. Use the ‘
s
’ up or ‘
t
’ down buttons to select the
‘4-20’ submenu and press ‘
3
’ to accept.
2. The display shows ‘S 04’ indicating a 4 mA
output is being stimulated.
3. Use the ‘s’ up or ‘
t
’ down buttons to increase
or decrease current as desired in the range of
1 to 21 mA. Displayed as “S xx” = xx indicating
mA current being output.
4. Press ‘X’ to return to the ‘4-20’ submenu
selection.
5. Press ‘X’ to return to set-up, calibration and test
menu selection.
6. Press ‘X’ again to return to normal operation.
Caution
Proceeding with 20 mA stimulation may
cause unexpected alarm activation.
Only authorized operators should perform
this task!
This mode cancels itself in 5 minutes.