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D-0115687-C (OM008) – 170 Operating Manual
AUTO This initiates an automatic test on the indicated
ear (see Section 4.5)
RESULTS Use this key at the conclusion of an automatic
test to view the results (see Section 4.5.4)
TALK OVER Hold this key to interrupt the test and route the
operator’s voice from the front panel
microphone to the headset; the level is
adjusted with the SIGNAL keys; if an
automatic test is in progress the current test
frequency will be retested from the default level
when the TALKOVER key is released
LEFT Press once to select the left ear (the indicator
above the key illuminates green); if the left ear
is already selected press again to store the
displayed signal value as a threshold (see
Section 3.5.1)
RIGHT Press once to select the right ear (the indicator
above the key illuminates green); if the right ear
is already selected press again to store the
displayed signal value as a threshold (see
Section 3.5.1)
SIGNAL Press the keys to decrease or increase
the level of the tone presented in 5dB steps; to
scroll through the range keep the key pressed
FREQUENCY Press the key to select a lower frequency
and the key to select a higher frequency
PRESENT Press to present the displayed test signal to the
patient. The “PRESENT” indicator above the
display will be illuminated green during tone
presentation.
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