Poseidon SE7EN User Manual
Appendix 3 Page 111
Battery life indicator
Figure 3-29.
Battery life indicator.
In the top right corner of the Primary Display, is the Battery Life Indicator. This indicator serves
as a “fuel gauge” for remaining battery life. If the remaining battery life is less than 20%, this
indicator will flash, and the screen will indicate that the dive should be terminated. The more
time that has elapsed since the last battery Learn Cycle, the greater percentage of battery
charge is needed to ensure 20% remaining power.
When the M28 computer is attached to the SE7EN the symbol incates which one of the M28
battery and the SE7EN battery which has the least amount of capacity.
Temperature
Figure 3-30.
Temperature.
In the “center view” is the water and loop tempera-
ture reading. This value is displayed in units of
centigrade when in metric mode, and units of
fahrenheit when in imperial mode.
DANGER:
Do NOT ignore the remaining battery life indicator. If the battery
fails, the entire life-support system (including alarms) may cease
to function. Failure to abort to open-circuit and terminate the dive
could lead to serious injury or death.
Cylinder pressure indicators
Along either side of the Primary Display are the two cylinder pressure indicators, represented
as bar graphs. The graph on the left side of the screen is for the diluent supply, and the graph
on the right side of the screen is for the oxygen supply. Each segment in the bars represents
approximately 10% of the total gas supply for each cylinder. When the pressure in either cylinder
drops below 26 bar for Oxygen and 40 bar for diluent, the remaining segments of the corre-
sponding bar graph will flash together with the alert icon. The full-scale (100%) value of each
of these bar graphs is established through the config menu of the M28 computer.
Figure 3-31.
Diluent cylinder pressure indicator.
Figure 3-32.
Oxygen cylinder pressure indicator.
Ascent rate indicator
Figure 3-33.
Ascent rate indicator.
By using the push buttons of the M28 the diver
can access the ascent rate indicator. The indica-
tor shows both ascent and descent values.
