3M WORKTUNES Manual Del Usuario página 6

Basic Operations
Low Battery Warning:
Hearing protector will give a "battery low"
warning every one minute when battery
voltage is low. Additional warnings will
occur as hearing protector powers down.
Replace batteries at this time.
6
BATTERY
LOW
Auto Shut-off:
After 2 hours of non-activity, a 10-second
countdown will begin before hearing protector
automatically powers down. To reset auto
shut-off, simply adjust volume knob.
After auto shut-off, press and hold the On/Off/
Volume knob for 2 seconds to turn back on.