D-0004578-R – 2022/05 Page 44
Affinity2.0/Equinox2.0 - Instructions for Use - US
Normal and reversed coordinate system buttons enable you to
toggle between reversed and normal graph.
Show curser on graph provides inf ormation about each specif ic
measured point in the curve. The curser is “locked” to the curve
and a frequency and intensity label will be displayed at the
curser’s position, as illustrated below:
Stimulus Selection allows for selecting a test stimulus. The
dropdown is only present for custom made test protocols. The
standards (e.g. ANSI and IEC) have fixed stimuli.
Monitor: If you wish to listen to the amplif ied stimulus through a
monitor.
1. Connect a monitor headset to the monitor output on the
hardware.
2. Tick the Monitor check box.
3. Use the slider to turn the sound level up and down.
Note that the sound f rom the monitor may be very soft (compared
to the audiometry monitoring). It is louder f or audiometry because
the audiometric equipment is producing the signal that is
monitored. In HIT440 the hearing instrument produces the
monitored signal meaning that it cannot be controlled by the
equipment.
External sound: You can present an external sound through for
example a CD player if you have a piece of music/speech you
wish to use. This may have a strong effect for counselling
purposes.
1. Connect the CD player to the AUX1 input on the
hardware.
2. Press START in the sof tware and then tick the External
sound check box. The external sound will then play
together with the signal.
3. Use the slider to turn the sound level up and down.
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