Perfectpro Rockbull 8717774762059 Data Sheet

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5.  Repeat step 1 to 4 for other channels with new stations. 

6.  Press the 

MENU button twice to exit manual tuning and return to normal DAB  

 operation. 

DRC can make quieter sounds easier to hear when your radio is used in a noisy 

environment. 

1.  In DAB mode, press the 

MENU button and rotate the TUNING knob until the display  

 

shows “DRC Value”, then press the 

TUNING knob.

2.  Rotate the 

TUNING knob to select required DRC setting (default is OFF).

DRC off  

DRC is switched off, broadcast DRC will be ignored. 

DRC high 

DRC is set as sent by broadcaster. 

DRC low 

DRC level is set to 1/2 that sent by broadcaster. 

3.  Press the 

TUNING knob to confirm the setting. The display will return to normal

 

radio display.

Note: Not all DAB broadcasts are able to use the DRC function. If the broadcast does 

not support DRC, then the DRC setting in the radio will have no effect.

If you move to a different part of the country, some of the stations that were listed 

may no longer be available. Also, from time to time, some DAB services may stop 

broadcasting, or may change location or frequency. The Prune stations function will 

delete the unavailable DAB stations from your station list. 

1.  In DAB mode, press the 

MENU button.

2.  Rotate the 

TUNING knob until the display shows “Prune”.

3.  Press the 

TUNING knob to enter the setting. 

4.  Rotate the 

TUNING knob to select between “Yes” or “No” (default is No). Select “Yes”

 

to enable this function if required, otherwise, select “No”.

5.  Press the 

TUNING knob to confirm your setting. The display will return to last menu

 

and press 

MENU to go to the normal radio display.

Note: If you have moved the radio to a different part of the country, you should also carry 

out a search for new stations (please see the section “

Finding new stations – DAB”).

1.  Press the 

On/Off button to switch on the radio.

2.  Select the 

FM RADIO waveband by pressing the SOURCE button.

3.  If this is the first time to switch to FM mode, the station in preset 1 will be played. If

 

the radio has been used before, the last listened station will be played.

4.  To seek station, press the 

TUNING knob. The scan stops automatically when it finds

a station of sufficient strength.

5.  After a few seconds, the display will update and show station name if RDS    

 

information is being received.

6.  To find other stations, press the

TUNING knob again. 

7.  To seek station in an opposite direction, rotate the 

TUNING knob clockwise (to scan  

from low frequency to high frequency) or rotate the

TUNING knob anti-clockwise (to  

scan from high frequency to low frequency), and press the

TUNING knob.

8.  When the waveband end is reached, the radio will recommence tuning from the  

 

opposite waveband end. 

1.  Press the 

On/Off button to switch on the radio.

2.  Select the FM band by pressing the 

SOURCE button.

3.  Rotate the 

TUNING knob to reach the required FM station. The radio will change  

 

the frequency in steps of 50 kHz.

4.  Rotate the rubber antenna to get the best reception. If the radio is tuned to a station  

of sufficient signal strength with RDS information present, the display may change

 

to show the station name.

5.  When the waveband end is reached, the radio will recommence tuning from the  

 

opposite waveband end. 

RDS (Radio Data System) is an information system which inaudible digital information

is transmitted in addition to the normal FM radio program. When the radio is receiving a 

RDS station and the reception strength is sufficient, the station name will appear in the

display. It may take some time before the RDS information is available.