The appliance parts
Receiver (Fig. A)
q Signal indicator
w Synchronisation button, Receiver
e Button for melody selection
r Speaker
t Stand
y Volume regulator
u Signal type switch (optical/acoustic)
i Battery compartment - receiver
o Loop for suspension of the receiver
a Battery compartment cover - receiver
Sender (Fig. B)
s Bell button
d Nameplate
f Indicator for signal confirmation
g Battery compartment - sender
h Synchronisation button - sender
j Assembly plate - sender
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