Location of Tone & Gain Controls
Tone
Control
–
+
Gain Control
Adjusting the Gain Control modifies
maximum amplification levels to match
your hearing ability.
Turning the gain control fully counter-
clockwise reduces the gain to 25 dB
max. Turning the gain control fully
clockwise boosts the gain to 49 dB max.
This results in 135 dB maximum SSPL
with the EAR 013.
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Gain
Control
+
–
Tone Control
The Tone Control lets you boost high
frequency gain.
Turning the tone control fully clockwise
boosts the HF gain by 10 dB at 5 kHz.
Turning the tone control fully counter-
clockwise provides flat response.
5. Close back of the case and
battery door.
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