Interacoustics Titan - Cradle Indication Lights; Calibration Cavities and Issues

Titan Instructions for Use - EN Page 12
Cradle Indication Lights
The LEDs on the cradle indicate the following:
LED 1 will show a solid green light when the Titan is placed
inside the cradle and its battery is fully charged. LED 1 will
flash green while the battery is charging.
LED 2 will show a solid green light when the spare battery is
placed inside the cradle and is fully charged. LED 2 will flash
green while the battery is charging.
LED 3 will show a solid green light when the cradle is
attached to the mains power.
Calibration Cavities and Issues
The Titan cradle has a built-in 2cc cavity which can be used
for a quick validity check of the probe calibration. You can
use the 0.2 ml, 0.5 ml, 2.0 ml and 5.0 ml cylinder cavities for
more thorough checks.
To perform a calibration check, select a protocol that
measures a tympanogram.
Do not use an ear tip! Place the probe tip completely into
the cavity. Perform the measurement. Check the volume
that was measured.
The allowed tolerance in the volume measurement is ± 0.1
ml for cavities up to 2 ml and ± 5% for larger cavities. These
tolerances are applicable for all probe tone frequencies.
We strongly recommended calibrating each probe and
contra phone at least once a year. If a probe is handled
roughly (e.g. dropped onto a hard surface) it might need
to be calibrated again. Calibration values of the probe
are stored in the probe itself. Therefore probes can be
exchanged at all times. The contra phone is, however,
calibrated together with the shoulder box. You should not
exchange contra phones from one shoulder box to
another without calibrating.
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