1.Turn on
the switch
2. Press the
speaker mode
button twice
3. Noise and
speaker’s
LEDs are on.
4. Built-in speaker
makes "sh
hhh
" sound.
5.Adjust the volume
using volume-up-
&-down buttons
Adjust noise volume properly not to be harsh to ears so much. However,
if the volume is louder, tapping prevention is better and more efficient.
When using for laser tapping prevention, place the device close to window
and direct the speaker face to window.
During your conversation, please speak
with
lower
volume than noise
feature for Maximum protection
.
If you want a little louder noise, external speakers could be connected to
the speaker-out on the side of the product by plugging in the external
speaker
's
Jack.
External speaker can be purchased at any electronic store.
Audio
Tapping prevention mode
Used for preventing wire/wireless tapping, laser tapping,
recording by voice recorder, recording by tape recorder,
tapping by parabolic reflector, tapping by hidden tapping device
in wall.
4. Noise Function
