Williams Sound POCKETALKER Ultra D1 Manual And User Manual page 11

7. Adjust the volume up or down according
to your preferences.
Volume Control
8. Adjust the tone according to your
preferences. Turning the tone control
fully clockwise boosts the high frequency
gain by 11 dB at 5 kHz. Turning the tone
control fully counterclockwise boosts the
low frequency response.
Tone Control
NOTE: The Power On/Off light on top of
unit will flash RED when battery is low.
MAN 131H
11