After a successful auto zero, and if the passcode protected option is
enabled, PASS displays. The passcode is required to access the auto
span and alarm setpoint functions.
to scroll to the required passcode and press
to confirm. For additional information, refer to
If the correct code is confirmed by pressing
onds, the detector beeps twice and automatically proceeds to the
set span screen.
If the passcode is not confirmed within 10 seconds or the pass-
code is incorrect, NO displays.
The detector then beeps four times and automatically returns to
The set span function inputs a new calibration gas concentration value.
4. Set SPAN flashes.
within 10 sec-
To bypass the set span function, press
ceed to the span screen.
to scroll to the required gas concentration. The
detector value must match the concentration value on the gas
If a new value is selected but not confirmed within 10 seconds
, the detector rejects the new value and NO dis-
plays. The detector beeps six times and retains the original
value. The detector automatically proceeds to the span screen.
to save the new value and proceed to the span screen.
to automatically pro-