Shearwater Perdix 2, Operating Instructions Manual, Page: 26 / 82

Page 26
Doc. 13301-Tec-RevB (2022-05-25)
Technical Modes
Operating Instructions
Display Meaning
Action to take
Low transmitter
battery� Replace the transmitter
battery.
Tank pressure exceeds
rated pressure by more
than 10%
Properly set the rated
pressure in the AI Setup
menu. page 65.
Tank pressure has
fallen below the critical
pressure�
Be aware that gas is run-
ning low. Begin to end
your dive and perform a
controlled ascent to the
surface.
GTR is not available
when on the surface�
None. GTR will display
during a dive.
GTR is not available
when on the surface�
None. After a few
minutes, enough data
has been collected for
display.
The computer has reset
to recover from an
unexpected software
condition� If this occurs more than
once over a long period,
please report to Shear-
water Research Inc.
This reset shows up
after a software update�
This is the normal
event that shows the
computer has been
rebooted after the
software update�
N/A
Firmware update failed,
possibly due to a
communications error
or corrupted file�
Try the firmware upgrade
again. Contact Shearwater
if problem persists.
Warning Confirm
AI LOW BATTERY
+
I
3042
P
S
I
T1
3042
P
S
Low Bat
Alternates
R
T1
260
B
A
Warning Confirm
T1 CRITICAL PRES
+
I
T1
P
S
24
GTR T1
---
GTR
wait
T1
STOP TIME
WATCHDOG RESET
DEPTH TIME
.0
Error Confirm
GasPO2
.21
STOP TIME
UPGRADE RESET
DEPTH TIME
0.0
Error Confirm
.21
GasPO2
STOP TIME
UPGRADE FAIL
DEPTH TIME
0.0
Error Confirm
.21
GasPO2
Display Meaning
Action to take
The internal battery is
low�
Replace the battery.
The decompression
tissue inert gas loading
has been set to default
levels�
Plan repetitive dives
accordingly.
Central Nervous
System (CNS) toxicity
clock exceeded 150%
Switch to a gas with a
lower PPO2 or ascend
shallower (decompres-
sion ceiling allowing)
Central Nervous
System (CNS) toxicity
clock exceeded 90%
Switch to a gas with a
lower PPO2 or ascend
shallower (decompres-
sion ceiling allowing)
NDL is less than low
NDL alert value� (Only if
alert active) Ascend soon to avoid
decompression obliga-
tion.
Depth is deeper than
depth alert value� (Only
if alert active)
Ascend above depth
limit.
Dive time has
surpassed time alert
value� (Only if alert
active)
End dive safely.
No communications for
30 to 90 seconds�
See the Transmitter Con-
nection Issues section
on page 49 for more
information.
No communications for
90+ seconds�
See the Transmitter Con-
nection Issues section
on page 49 for more
information.
STOP TIME
LOW BATTERY INT
DEPTH TIME
13.7
Warning Confirm
1.2
GasPO2
12
TISSUES CLEARED
DEPTH TIME
.0
Warning Confirm
.21
GasPO2
SURFACE
2
h
45
m
STOP TIME
VERY HIGH CNS
DEPTH TIME
13.7
Warning Confirm
1.12
GasPO2
35
STOP TIME
HIGH CNS
DEPTH TIME
13.7
Warning Confirm
1.12
GasPO2
35
STOP TIME
Low NDL Alert
DEPTH TIME
13.7
Alert Confirm
1.12
GasPO2
35
STOP TIME
Depth Alert
DEPTH TIME
13.7
Alert Confirm
1.12
GasPO2
35
STOP TIME
Time Alert
DEPTH TIME
13.7
Alert Confirm
1.12
GasPO2
35
R
T1
----
B
A
R
210
B
A
No Comms
Alternates
R
T1
----
B
A
R
----
B
A
No Comms
Alternates
Warning Confirm
AI LOST COMMS
+