User's Manual

1615
Preparation How to use Reference
No sound from
the speaker.
Check if the volume status
is at lower level.
▶ Slide the volume controller up
to turn up the sound.
Check if the handset
supports handsfree
profile.
Can not make
conversation
through the Visor.
Can not pair VISOR
with the Bluetooth
device.
▶ In order to make conversation with
Visor, you need a Bluetooth handset
supporting handsfree profile.
Check if the battery of the
VISOR is low.
▶ Charge the battery.
Check if the power
of the Visor turned off.
▶ Press END & Power button for more than
3 seconds and turn on the unit.
Check if the Bluetooth device
to be paired turned off.
▶ Turn on the power.
Do not drop the unit from
high places.
Do not modify, repair & take
apart at discretion.
Do not expose directly
to flammables.
Keep unit away from
humidity & dust.
Do not place the heavy
objects on the unit.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.
Risk of explotion if battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.
Keep away from direct light
or heat.
Do not expose directly to
the water, alcohol, benzene,
etc. for cleaning.
Do not disassemble the battery.
∙It may cause the explosion.
Do not place or keep the unit
near the flammables.
∙ It may cause an explosion.
Does not turn on.
Check if the battery of the
VISOR is fully discharged.
▶ Charge the battery.
Check if the battery inserted
properly.
▶ Remove the battery and
insert it again.
Check if the dust exists
in the outlet of charging jack.
▶ Remove the dust and connect
it again.
Check if END & Power button
was not pressed long enough.
▶ Press END & Power button
for more than 3 seconds to turn on.
Troubleshooting Precautions