Ultra1000 Wireless Detectors
(Battery Operated)
Rev 2
Page 17
Flow Chart
Sensor Calibration
User Action
Sensor Display / Response
Initiate Calibration
via magnetic switch
magnetic switch
Calib Mode
is
displayed for 5 to
10 seconds. Sensor
makes initial
adjustments
Calib gas value flashes
on the display and
sensor waits for the
gas to be applied
Apply Calib Gas within 60
seconds to avoid “
Calibration
Time Out
”. Change the value
of calibration gas being used if
required.
Display flashes calibration gas value at the
slower rate when the gas is detected by the
unit
Apply Calib Gas for 2
minutes
Display flashing once every
second
Calibration time ends
after 2 minutes approx.
Adjstng
is displayed for few seconds.
Sensor is making final adjustments and
recording calibration data.
Do not remove
the gas while this message is being
displayed
Remove Calibration Gas
when message is prompted
on the LCD
Remove Cal-Gas
message is
displayed on LCD.
Sensor Calibrated
Successfully. Returns to
normal operation once gas
cleared down to zero
Wait till display
flashes Calibration gas
value