Promowide SP1290 User Manual page 6

Headphone
1. Place the headphone On/Off switch in the On position. The Power LED will
illuminate.
2. Before placing the headphone on your head, make sure the headphone is not at
high volume, as such use can cause serious damage to your hearing. To obtain
the desired sound level, you can adjust the volume control on the headphone.
3. Whenever you find frequency jam, move your channel switch from one channel
to the other channel (there are two channels for selection) on the transmitter,
and then press the "AUTO-SCAN" button on the headphone again.
4. Charging the Batteries
a) Move the ON/ OFF switch on the headphone to OFF.
b) Plug the charging cable on one end into the jack marked CHG at the back
of the wireless transmitter (as shown in the picture below). Plug the other
end of the charging cable into the jack marked CHG. on the headphone.
c) The charging process will start automatically and the power LED on the
transmitter will change from red to green.
Important:
1. Only use the included rechargeable AAA batteries. When the headphone is not
in use, ensure the power is switched to the OFF position to avoid damaging the
batteries.
2. Make sure the headphone is turned off when charging the batteries.
3. To ensure a long service life, fully charge the rechargeable batteries before
using the headphone for the first time. The initial charge takes 24 hours to
complete.
P.5