
LUCAS
TM
2 Chest Compression System –
Instructions for Use
100901-00 Rev A, Valid from CO J2716 © 2014 Jolife AB
32
9.8.2 Audible INFORMATION SIGNALS, characteristics
Audible
signal
name
Sequence of tones
Durations
+/- 5ms
Tone
frequency
+/- 10 Hz
Sound
level
(dB@1m)
+/- 5dB
Description
Situation
Power ON
signal
t
d
= 375ms
t
s
= 0ms
f
0
= 1 kHz
75
Continues until self-
test is complete
Self-test during
Power ON of the
device
Power OFF
signal
t
d
= 500ms
t
s
= 0ms
f
0
=660Hz #1
f
0
=440Hz #2
75
A "ding-dong"
sound
The Suction Cup
is moving to its
upper position
while the device is
powering OFF
Alert signals
t
d
= 125ms
t
s
= 0ms
t
b
= 250ms
f
0
= 2 kHz
75
3 fast signals
intermittently
repeated
The Suction Cup
is placed below
the lowest Start
Position (too small
patient)
t
d
= 125ms
t
s
= 0ms
t
b
= 625ms
f
0
= 2 kHz
75
3 fast signals
intermittently
repeated
Gap between
pressure pad and
patient's chest
detected
t
d
= 125ms
t
s
= 0ms
t
b
= 0ms
f
0
= 2 kHz
75
Recurrent fast
signals intermittently
repeated until
Suction Cup is
released
Suction Cup is
pressed down
when device is
locked in PAUSE
mode
Ventilate
signal
t
d
= 490ms
t
s
= 100ms
f
0
=1100Hz #1
f
0
=1100Hz #2
f
0
= 880 Hz #3
80
A "ding-ding-dong"
sound repeated
every 30th
compression
Ventilation alert
signal sequence
during ACTIVE
30:2 mode before
ventilation pause
High
temperature
warning
t
d
= 1 s
t
b
= 4 s
f
0
= 1 kHz
75
Recurrent signals
repeated until
temperature is
within normal range
Internal
temperature of
device is rising
...
(0.25s)
(0.25s)
(0.6s)
(0.6s)
...
(4s)
(4s) ...
100901-00 Rev B, Valid from CO J3166 © 2017 Jolife AB