Owner`s manual

2
O ptima FX Owner’s Manual
Ch. 3 Pg. 9
Copyright, Dive Rite All Rights Reserved January 2009
MV Display
Calibrate O2
NEXT SELECT
Sen1 Sen2 Sen3
Standard Cal
NEXT SELECT
Altitude Cal
NEXT SELECT
Calibrating at
1019 mBar
Fill loop w/O2
Cancel Ready
MILLIVOLT DISPLAY
This option displays the millivolt output for each of the three
sensors. While in this mode the backlight remains illuminated and
does not timeout. Pressing either button exits the test. This option
should be used to record the output of each sensor while in AIR and
100% Oxygen. A log with this information can aid in tracking the
cells decay over time. The mV display is also used to diagnose cell problems. Unlike the
PO2 display which disables cells that fail calibration, the cells can always be measured.
CALIBRATION
Once the calibrate option is selected the next menu is presented
that allows the selection of standard calibration (P02 set to 1.00
regardless of ambient pressure), or calibration for altitude which is
based on measured ambient pressure. If altitude calibration is selected
the measured pressure will be displayed and the PO2 will be set to this
value (converted to ATA). The next screen for both modes will show
“Fill Loop w/o2”, with prompts for “Cancel” and “Ready“. The
calibration techniques used with the HammerHead electronics are the
same as many other CCRs.