- Presence of obstacles,
metal structures, reinforced
concrete walls etc. between
the child unit (transmit-
Decrease in
ter) and the parent unit
operating
(receiver).
range
- The alkaline batteries in
the child unit and/or the
rechargeable batteries in
the parent unit are spent.
Electrostatic or electro-
Electro-
magnetic interference due
static or
to electrostatic or electro-
electro-
magnetic fields emitted by
magnetic
other electrical appliances:
noise
e.g. white goods, mobile or
cordless phones etc.
- The units are too close
Presence of
together
hissing or
- Receiver volume (parent
whistling
unit) is too high.
The par-
- The baby is too far away
ent unit
from the child unit (trans-
(receiver)
mitter)
emits very
- The parent unit (receiver)
low volume
volume is set too low.
sound.
- Bring the units closer together or reposi-
tion them to reduce the number of obstacles,
metal structures, reinforced concrete walls etc.
between them.
- Replace the alkaline batteries in the child
unit and/or the rechargeable batteries in the
parent unit.
Identify and, where possible, remove the source
of interference.
- Move the units further apart;
- Turn down the parent unit (receiver) volume.
- Move the child unit (transmitter) 1-2 metres
away from the baby.
- Turn the parent unit (receiver) volume up.
27