AOR AR2000 Instruction Manual page 4

AR2000 Operating manual Page 3
Controls
stopping on noise or very weak and , Fi |
unreadable signals. If the control is rotated ' i
too far clockwise then weak signals will be
totally lost and only strong signals will be
heard.
4. ATT (attenuator) switch. The switch
has two positions marked as LOCAL and
DX. For most situations the DX or long
distance position is used where the receiver
is at its most sensitive.
When operating the receiver in the presence
of strong signals such as those from TV,
broadcast, taxi, police etcetera, some interference may be experienced. This interference can take
many forms such as an increase in background noise, desensitising of the receiver or mixing of
many stations together. The cure for most of these effects is to use the attenuator switch in the
LOCAL position. This reduces the level of signals reaching the receivers circuitry and helps the set
cope with strong signals.
The addition of the attenuator switch to the receiver allows the set to be sensitive when required for
weak signal listening and provide a reduction in overloading when necessary.
5. UP/DOWN (tuning) control. Located on the top face of the cabinet, this rotary control allows
'manual tuning of frequencies displayed on the receiver. The control has a convenient click
operation, the tuning increment can be programmed from the front panel keypad.
6. EAR (earphone or external speaker) socket. Located on the top face of the cabinet. This is a
standard 3.5mm mono jack socket. Either an earphone or small external speaker may be connected,
when in use the internal speaker is automatically disconnected. The impedance of an external device
should be 8 OHMS or greater.
©1991 AOR Lid.