Maintaining...................................................................................... 11
Troubleshooting............................................................................. 12
Specifications.................................................................................. 12
Legal notices.................................................................................... 12
One-year limited warranty ......................................................... 13
Important safety instructions
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not expose the headset to water.
6 Clean only with a dry cloth.
7 Do not plug in the wall charger near any heat sources such as
radiators, heat registers, stoves, or other chargers that produce
heat.
8 Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades and a
third grounding prong. The wide blade or the third prong are
provided for your safety. If the provided plug does not fit into your
outlet, consult an electrician for replacement of the obsolete
outlet.
9 Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the charger.
10 Only use attachments/accessories specified by the manufacturer.
11 Unplug this charger during lightning storms or when unused for
long periods of time.
12 Refer all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way, such
as power-supply cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has
been dropped.
13 To reduce the risk of fire or electric shock, do not expose the
charger to rain, moisture, dripping, or splashing.
RF-QX4/RF-QX4-T/RF-QX4-E/RF-QX4-J
3
