Operator's Manual

7.2 Visual alarm characteristics
Tempus Pro User/Operator Manual - 41-2001EN-00 – Page 125
7.1 Audible alarm characteristics
The Tempus provides audible alarm indications through a speaker mounted on the front of the device.
WARNING
If relying on the alarms, ensure that the display and alarm bar are viewable from the
user’s operating position. Ensure the handle and rear alarm light remain clean and
unobstructed. Ensure the alarm speaker remains unobstructed and alarm volume is
set to a level appropriate to the level of background noise expected.
CAUTION
Do not attempt to clean beneath the grille with a sharp or rough implement; this can damage
the water-proof sealing that is present beneath the grille and cause reduction or impairment
of the ingress protection barrier.
Audible alarms are separated into either patient (physiological) alarms or “inop” (technical) alarms. These
alarm signals are specified as follows:
Nominal
Characteristics
Patient Alarm (Red) Patient Alarm (Yellow)
Technical
Alarm
Pulse sequence 10 x 175 ms pulses
3 x 125 ms pulses at 440 Hz
(with 4 harmonics under 4 kHz)
2 x 250 ms
pulses
Repetition rate Every 10 seconds Every 5 seconds
Every 15
seconds
Duration of gap
between pulse
sequences
50 ms silence between
pulses 1 and 2, 2 and 3, 4
and 5, 6 and 7, 7 and 8, 9
and 10.
170 ms silence between
pulses 3 and 4, 8 and 9.
625 ms silence between
pulses 5 and 6
250 ms silence between pulse
sequences
250 ms silence
between pulse
sequences
Volume (dBA at 1 m)
85 dBA (default) – the volume may be reduced using the All Alarms menu
Alarm Volume settings: Min, Low, Mid and High.
7.2 Visual alarm characteristics
When alarms occur, the Tempus Pro indicates their presence in the following ways:
Alarm limits bar:
the parameter that
is alarming is
highlighted with a
solid yellow or red
bar here (patient
alarms only)
Alarm status area:
summary
description of the
alarm is shown
here
Visual Alarm Manifestations
Alarm bar LEDs:
the yellow or red
LEDs in the alarm
bar will light –
these flash for
patient alarms and
light solid (yellow)
for technical
alarms