Sony MDR-DS6500 Operating Instructions Manual page 27

Symptom
Other devices (wireless
LAN, cordless phone, etc.)
using 2.4 GHz frequency
around the processor
become unusable
The signal transmission
range is short (sound is
interrupted)
A repeated beep sounds
The unit does not operate
properly
Cause and remedy

If the wireless LAN uses the 2.4 GHz frequency, change the channel. If
possible, use 5 GHz.

Keep the processor more than 2 m away from other devices (wireless LAN,
cordless phone, etc.) using the 2.4 GHz frequency.

If there is a device with a wireless LAN function, other wireless device, or
a device that generates electromagnetic waves such as, for example, in a
location where a microwave oven is used, use the system away from that
device.

Orient the antenna of the headphones toward the antenna of the processor,
and make sure the signal is not blocked by an obstacle (page 21).

Install the processor at a different location or position, or change the place in
which you listen with the headphones.

If the processor is installed at the back of a rack, install it outside of the rack.

If the processor is installed on a metal table, install it in a location where no
metal is present.

Move the processor and headphones as close as possible to each other.

The headphones cannot receive the signal from the processor.
Move within the RF signal transmission area.

Check the connection of the processor, AC power adaptor, and AC outlet.

Check if there is any wireless apparatus using 2.4 GHz frequency, or a

microwave oven around the processor and headphones.
Change the position of the processor.


There is no audio signal input for about 30 minutes and RF signals are not
transmitted.

Reset the unit. Pairing information is not deleted by this operation. Insert a
small ball point pen, etc. into the hole, and push until you feel a click.
Additional Information
US
27