Roberts Radio R9942 - Manual (Page 22)

Mono mode
1. If a station being received is weak some hiss may be audible. To
reduce the hiss slide the DBB/Stereo/Mono button to the “Mono“
position. The stereo indicator will be removed from the display.
Dynamic Bass Boost switch
1. Setting the DBB/Stereo/Mono button to the DBB position will
enhance bass sounds. The display will show .
Auto power off
1. In order to save battery power, your radio is designed to
automatically switch off after 90 minutes of use . Disconnecting
the earphones from earphones socket for more 10 seconds will
also switch off the power automatically.
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