10
Beep Signal Description Chart
Power
Mode
Operation
Types of Beep
Signal
Signal Description
Unit is
turned off
hold the
+ button
3 seconds
Single long beep The unit has turned on.
Unit is
turned on
but cannot
feel
impulses
Short press of
the + or
- buttons
Two short beeps
The intensity adjustment feature
is disable because the gel pad is
not in full contact with the skin.
Reapply the gel pad and try again.
No Action
Slow
consecutive,
intermittent
beeps
The gel pad is not in contact with
the skin, reapply the gel pad and
try again.
No Action
Fast consecutive,
intermittent
beeps
The battery power is low, replace
the battery.
No Action
Single long beep
The auto-off program is engaged
and the unit is powering off.