TROUBLE SHOOTING GUIDE
Problem Possible Causes Solution
• Transmitter has no transmission • Mic sensitivity is too low.
• Battery has run down or AC adapter
improperly connected.
• Adjust mic sensitivity higher using
up/down button (2).
• Replace with new battery or check
connection.
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BABYPHONE EXPERT II • Instruction Manual
• Transmitter always on • Mic sensitivity is too high. • Adjust mic sensitivity lower using
up/down button (2) such that
transmitter become voice activated.
• Out-of-range alarm always on • Channel or digital code setting.is
different in transmitter and receiver.
• Transmitter’s battery has run down.
• Out-of-range alert setting in.transmitter
is Off but setting in receiver is On.
• Distance between transmitter
and.receiver exceeds the operating
range.
• Set the same channel and digital code
in both transmitter and receiver.
• Replace with new battery or use AC
adapter.
• Change Out-of-range alert setting
in.transmitter to On.
• Move the transmitter and receiver
closer.together.
• Out-of-range alarm sometimes on • Interference from other devices
operating on same channel.
• Switch to another channel.
• No Out-of-range alarm • Setting of Out-of-range alert in both
transmitter and receiver is Off.
• Setting of Out-of-range alert in
transmitter is On but in receiver is Off.
• Change both settings to On.
• Change setting in receiver to On.
• Temperature alarm always on • The upper and lower temperature limit
is set too close to the current reading.
• Set the upper and lower temperature
limit around 5°C difference from
current reading.
• Always showing low battery alert • Battery has run down.
• No battery inside receiver.
• Battery pack is damaged.
• Recharge battery using charger stand
(receiver). Replace with new battery or
use AC adapter (transmitter).
• Put battery pack back into battery
compartment.
• Replace with new battery pack.
• Battery life is short • Night light is permanently switched on.
• Vibration alert is switched on.
• Switch off night light or set to VOX
operate.
• Switch off vibration alert.
• Many static noise and interference • Transmitter is located near other
electrical appliances.
• Remove the electrical appliances or re-
locate the transmitter far away from
source of interference or change to
another channel.
• Too short communication range • Many steel structures between
transmitter and receiver.
• Output power in transmitter is set to Lo.
• Transmitter battery has run down.
• Transmitter's range check is set to On.
• Re-locate transmitter or receiver.
• Change output power setting to Hi.
• Replace with new battery or use AC
adapter.
• Set range check function to off.
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BABYPHONE EXPERT II • Instruction Manual
• Use only the supplied AC adapters, use of other
adapters may cause damage to the Babyphone
Expert II.
• When not using the monitor for as long period of
time, remove all batteries from the transmitter and
receiver to avoid damage due to battery leakage.
• Disconnect the AC adapter from the wall outlet
when the monitor is not to be operated.
• The Babyphone Expert II is best performed within
a temperature range of -9°C to +50°C .
• Do not leave the monitor expose to strong sunlight
for a long time or nearby any heat source,
moisture and excessive dusty environment.
• Do not open the cabinet, no serviceable
part inside.
PRECAUTIONS
a. 6V AC adapter for transmitter,
b. 9V AC adapter for rapid charger,
c. Rapid charger,
d. Transmitter unit,
e. Receiver unit,
f. 4.8V rechargeable Ni-mH battery pack, DO NOT WITHDRAW THE GREEN PLASTIC FILM WHICH IS
USED AS PROTECTION.
g. User manual.
STANDARD ACCESSORIES
