Operation Manual

39
DataTrans Plus
maining decreases to zero, there is no reason to panic. The DataTrans Plus
has allowed for the breathing gas you will consume during a safe ascent, in-
cluding decompression stops if they are required, and still provide the tank
pressure reserve you have chosen, e.g., 300 psi (21 bar).
Set Depth and Breathing Gas Alarms
Your DataTrans Plus alarms have been factory set for 320 FT and 300 PSI.
These set point values will be retained unless you change them.
To set your desired Depth and Breathing Gas Alarm values, or turn the au-
dible alarm off, follow this procedure, beginning with step 1 if in the Surface
Mode, or beginning with step 4 if you just set Units of Measure:
1. Press the Advance/Left button 5 times to advance to the Set Mode.
2. Press the Select/Right button to select the Set Mode.
3. Press the Advance/Left button 5 times to advance to the Alarm setting.
SET:ALRM will appear, with ALRM flashing (Fig. 42).
4. Press the Select/Right button to select the Alarm setting. The current
Depth Alarm Set Point value will appear, flashing (Fig. 43).
5. Press the Advance/Left button repeatedly to change the Depth Alarm Set
Point value to the depth you choose, and press the Select/Right button to
accept (save) that setting. The current Breathing Gas Alarm Set Point
Fig. 43 - Depth Alarm
®
DECO
C.Z. C.Z.
FT
O
2
NO DECO
0
5
10
20
30
40
50
60
®
0
5
10
20
30
40
50
60
Fig. 42 - Set Alarm