Lifelines trackit Mk3 - Trackit Bluet Oot H Bat T Ery Power Consum Pt Ion; Bluet Oot H Range

Trackit Mk3 User Manual
83
Track it Bluet oot h Bat t ery Pow er Consum pt ion
The Trackit Bluet ooth Module takes it s power from t he Trackit ’s m ain bat t eries. All the circuit ry has
been designed t o consum e as little power as possible and t o ut ilise low- power m odes whenever
possible, however cert ain part s of the m odule are always on in order that searches and connection
requests from ot her devices are serviced. I n t he tables below will be found an approxim ate indica-
tion of the reduct ion in bat t ery life according to t he Trackit m ain operating m odes.
The Trackit m odes are as follows :
1. Trackit I dle (not recording)
2. Trackit Acquire On (not recording) in Headbox m ode
3. Trackit Recording
4. Trackit recording wit h Ongoings on
The Bluet ooth m odes are as follows :
1. No Bluetooth
2. Bluet oot h power- down ( discoverable and connectable) – only applicable to original m odule
3. Bluet oot h norm al not connect ed (discoverable and connectable)
4. Bluet oot h norm al connect ed
5. Bluet oot h norm al connect ed and transm it ting
4
t h
Gen e r a t ion Blue t oot h Module ( OBS4 3 3 i) I nt e r nal ( Tra ck it M k 3 )
Tra ck it ope r a t in g m ode
Ba t t er y life
re du ce d t o
%
Typica l bat -
t e r y life ( 1
alkaline)
Hour s
Tr a ck it Mk 3
Tr a ck it Mk 3
Trackit idle ( not r ecording) , no Bluetoot h
100
20.2
Trackit idle ( not r ecording) , Bluetoot h not - connected
90
18.1
Trackit idle ( not r ecording) , Bluetoot h connect ed
54
11.0
Trackit acquire ( not r ecording), Bluet ooth connect ed, Headbox
on
63 7.2
#
Trackit (recording) , no Bluetoot h
100
12.0
#
Trackit (recording) , Bluet ooth not- connect ed
95
11.4
#
Trackit (recording) , Bluet ooth connected
72
8.6
#
Trackit (recording) , Bluet ooth connected, ongoings on
60
7.2
#
N ote s:
1. Acquisition: 24 channels at 200 Hz using a Trackit T18/ 8 variant ( fit t ed wit h 8 Poly Channels).
#
Add approxim ately 10% to bat t ery life if int ernal 8 Poly Channels not fit t ed (T24/ 0 and T12/ 0)
2. Connect ed/ not -connect ed refers t o wireless Bluet oot h connection present or not present
3. When using t he New Generat ion 3 and 4 Bluetoot h Modules ( OEMSPA332i and OBS433i) t here is
no benefit to using low power m ode, so the option should be left off.
Bluet oot h Ra nge
The lat est 4
th
Generation Bluet ooth Module has a significantly longer range t han all t he earlier
m odules. The biggest benefit is achieved when a sim ilarly high- perform ance Bluet oot h device is
used at t he PC end of t he wireless link. The t ypical range figures here were obtained with t he fol-
lowing types of Bluetooth device inst alled in t he PC:
1. I nt ernal Class 3 fit ted t o laptop
2. Ext ernal Class 1 USB- t ype fitt ed to lapt op ( t his is t he t ype with an ext ernal rot at eable an-
tenna approxim at ely 60m m long