6�5� Sac Display; 6�6� Mini Combination Display - PERDIX SHEARWATER Operating Instructions Manual

Operating Instructions
6.5. SAC Display
The Surface Air Consumption (SAC)
display shows the average rate of
pressure change over the last two minutes,
normalized to as if at 1 ATA pressure�
Depending on the current units setting,
SAC is either displayed in PSI/minute or
Bar/minute�
Note that SAC is NOT transferable between tanks of different
sizes�
On the surface, the average SAC from the last dive is
displayed�
SAC T1
16
PSI
min
FIGURE 24
During the first few minutes of a dive the SAC value is not
available, while the initial data is being collected for averaging
calculations� The SAC display will show "wait" during this time�
SAC is not displayed for the first few minutes of a
FIGURE 25
On surface, SAC is average from last dive
The average SAC from your last dive is shown when on the
surface� When a dive ends, you may notice the SAC value
suddenly changes� This is because the SAC display changes
from showing the SAC over the last two minutes (when in dive
mode) to showing the average SAC for the whole dive�
Page 15
SAC
16
PSI
min
SAC T1
1 . 1
Bar
min
The SAC Display
SAC T1
wait
dive
6.6. Mini Combination Display
A miniature combination display is
T1
available that packs more information into
a smaller space, at the expense of font
size�
Like the AI info line, the mini display
automatically changes its displayed
contents based on the current settings:
AI GTR Mini
Setting Setting Display
T1 Off T13042
T2 Off T21648
T13042
T1&T2 Off
T21648
T13042
GTR
T1 T1
SAC
T21648
GTR
T2 T2
SAC
T13042
T21648
T1&T2 T1
GTR
T13042
T21648
T1&T2 T2
GTR
T1 3042
GTR 45
SAC 16
45
16
23
17
The gray bar
45
indicates which
tank is used
for GTR/SAC
calculations.
23
RevA