NUK Eco Control Video Display 550VD, Operating Instructions Manual

Page: 76 / 238

74
If these hints do not solve the problem you
can try to clear the fault as follows:
1. Take the battery out of the parent unit.
2. Unplug the mains adapters from their
power sockets.
3. Wait a few minutes.
4. Replace the battery and plug the mains
adapters back in.
If this has not resolved your problem, please
contact one of our Service Centres (see
"11.2
Service Centres Babyphone" on
page 76).
9. Technical data
Parent unit is
beeping
Connection to the baby unit has
been lost
Set up the connection (see
"4.3 Connecting baby unit and parent
unit" on page 51)
Problem with the power supply
Check the power supply (see
"4.4 Power supply" on page 51)
Connection
indicator
20 has
lit up red
The parent unit is out of range
Set up the connection (see
"4.3 Connecting baby unit and parent
unit" on page 51)
No sound from
the parent unit
Volume is muted
Increase the volume (see "6.14 Mute
function" on page 71)
VOX function is set too low
Increase the transmission sensitivity
(see "6.8 Setting the VOX sensitivity
level" on page 62)
Fault Cause Remedy
Wireless connection 2.4 GHz FHSS
Transmission frequency 2405 - 2475 MHz, max EIRP 100mW
Number of channels 32 / automatic channel selection
Line of sight range about 250 m
Range within enclosed
rooms about 40 m. Successful transmission depends on the
environment. Walls or trees can seriously interfere with
reception.
Baby unit
Operating temperature 0 °C to 40 °C ambient temperature
Parent unit
Operating temperature 0 °C to 40 °C ambient temperature
Battery Lithium polymer battery (rechargeable), , 3.7 V, 1260 mAh
Period of operation in normal transmission mode: at least
8 hours
Period of operation in Eco-Mode: > 8 hours
Charging time when battery is charged for the first time: at
least 10 hours,
on subsequent occasions, charging takes about 6 hours
Mains adapters
Input 100–240 V AC; 50/60 Hz; 200 mA
Output 6 V ; 600 mA;