T.007 5.d Battery Consumption Modes
From the analysis given below it can be seen that the worst case mode
that draws the maximum battery is for the EPIRB1 model with GNSS
receiver in the operational condition activated by the water contacts, with
the strobe on and with the GNSS receiver in search mode (no GPS signal
present).
During stowage the EPIRB1 will be fitted in its manual release bracket
which inhibits the water contacts. When released from the bracket the
EPIRB1 is in standby mode with the water contacts enabled. The
additional current the water contacts draw when enabled, but not
activated is included in the stand by mode figure given in line 1.
There are no other operating modes that draw peak currents higher than
during the highlighted mode (line 5).
Beacon Operating Modes
Mode Manually
selectable
Measurement
interval , Sec
Average
Current, mA
Peak
Current, mA
1 Standby mode
Automatic
300
0.00002
2 Self Test mode
Manually to self test
on auto off
16.50
40.75
1082.00
3 Operating mode switch
activated with GPS receiver
in search mode (
Homer + GPS Acqui
Strobe Light)
Manual
50.00
38.15
1059.10
4 Operating mode switch
activated( Homer
+ GPS Sleep + Strobe light)
Manual
50.00
31.61
1053.00
5 Operating mode water
activated with GPS
receiver in search mode
( Homer + GPS
Acqui Strobe
Light)
Automatic
50.00
38.45
1059.40
6 Operating mode water
activated (
Homer + GPS Sleep +
Strobe light)
Automatic
50.00
31.91
1053.30
7 GPS Test mode (GPS
Acquisition)
Manually to GPS
Test on auto off
315.50
11.50
18.00
Note:
for the Australian and New Zealand markets, the EPIRB1 will be supplied as
Category 3 only. Category 3 is only allowed in these two markets and does not require
automatic water activation. Therefore this variant of the EPIRB1 will be built as hardware
number 900S-01528, omitting the water contacts. Because the water contacts are now
omitted, the maximum current draw will be as specified in line 3, which is less than the
maximum current draw specified for other variants.
PE TC "Omega"
Report 14/171 - Issue 3
Page 234 of 337
Summary of Contents for rescueME EPIRB1
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