General; Specifi Cations - Roberts R9928 Manual

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General

Do not allow this unit to be exposed to dripping or splashing. Do not leave
your radio where excessive heat could cause damage such as in a parked
car where the heat from the sun can build up even though the outside tem-
perature may not seem too high. It is recommended that the FM band be
used where ever possible as better results in terms of quality and freedom
from interference will usually be obtained than on the MW or LW bands.
Trouble shooting
In case of malfunction due to electrostatic discharge, it may be necessary
to reset the product to resume normal operation. This may generally be
performed by turning the unit off and on. In some cases a more complete
reset may be needed, either by removing all sources of power (battery
and mains) when turned off.
Specifi cations
Power Requirements
Mains
AC 230 volts, 50Hz
Batteries
4 x LR14 (C size)
Battery Life
Approx. 80hrs of listening for 4 hours a day at
normal volume using alkaline cells.
Frequency Coverage
only
FM
87.5-108MHz
MW
522- 1620kHz
LW
144- 281kHz
The Company reserves the right to amend the specifi cation without notice.
No objects fi lled with liquids such as vases, shall be placed on
the radio.
It is recommended to operate the product such that there is a minimum
distance (10cm recommended) to adjacent objects in order to ensure
good ventilation.
The ventilation of the product should not be restricted by covering it or
its ventilation openings with items such as newspapers, table-cloths,
curtains etc.
No naked fl ame sources such as lighted candles should be placed on
the product.
It is recommended to avoid using or storing the product at extremes
of temperature. Avoid leaving the unit in cars, on window sills in direct
sunlight etc.
The name plate is located on the bottom panel.
Circuit Features
Loudspeaker
Output Power
Headphone socket 3.5mm dia
Aerial System
FM
MW
LW
92mm 4ohms
1W into 4ohms
Telescopic aerial
Built-in Ferrite aerial
Built-in Ferrite aerial
10

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