Radio source

Citroen C4 / Citroen C4 Owner's Manual / Audio / Radio source

Notes on radio reception

Your radio will be subject to certain phenomena that are not encountered by domestic systems. The reception of AM and FM signals may suffer from interference, which is caused by the nature and propagation of the signals and does not reflect on the quality of your radio installation. In AM, the reception may be affected when passing under power lines or bridges, or when travelling through tunnels. In FM mode, the reception may be affected by the distance from the station transmitter, the reflecting of signals off obstacles (mountains, hills, tower blocks) and radio blackspots (no coverage from the station transmitter).

Selection of radio source

Press button D to select the source.

Selection of frequencies and memory banks

Press button E successively to go through the memory banks FM1, FM2 and FM3, for the FM waveband, and the memory banks MW/LW, for the AM waveband.

Manual search

Manual seearch is via buttons J or M. By keeping button J or M pressed, you will be able to scroll through the waveband. Scrolling will stop as soon as you release the button. The radio will remain tuned to the frequency that is displayed.

Tuning sensitivity

Automatic searches can be carried out according to two levels of sensitivity:

- To capture the most powerful transmitters, choose the local search mode "LO" (default option).
- To capture the weakest or most distant transmitters, choose the sensitive search mode "DX".

Search for a station is done first in "LO" (local) sensitivity, then in "DX" (distant) sensitivity. To commence a search in sensitivity "DX" (distant) immediately, press twice in succession on one of the buttons K or N.

Automatic search

A short press on one of the buttons K or N will tune into higher or lower radio stations respectively, within the chosen waveband. By keeping button K or N pressed, you will be able to scroll through the waveband. The scrolling will stop at the first station it finds once the button is released. You can also do this by means of control 2 at the steering wheel. If the automatic search is unable to tune into a known frequency (perhaps owing to very weak reception), it is possible to search manually to find this station.

Display and selection of a station available in the area in which you are travelling

Briefly press on button G to bring up a list of stations, this is updated every 10 minutes. You can also update this list at any time by giving a long press on button G. To listen to one of these stations, select by pressing buttons J or M and validate using button L.

Manual pre-setting

Select the waveband and memory bank required using button E. Select a station using either automatic or manual search. Keep pressing for more than two seconds on one of the pre-selection buttons 1 to 6 on the keypad P. The sound momentarily cuts off, then returns to its previous level to confirm that it has memorised the station.

Automatic memorisation of transmitters (Autostore function)

In FM, if you hold down button E for more than two seconds, your radio will automatically memorise the 6 strongest stations on the FM3 memory bank. The display shows "FM AST". The radio memorises the 6 strongest transmitters, deleting the 6 previously memorised. After the memorisation, the radio goes directly to memory 1 of memory bank FM3.


- If the traffic information function has been activated (see RDS SYSTEM), the stations offering this facility will be memorised as priority.
If it is unable to memorise any new stations, the system will retain the previously memorised stations.
- If the system is unable to find 6 stations, the unfilled memory slots will remain free.

Recall of pre-set stations

Press button E briefly to select the required waveband and memory bank. A short press on one the preselection buttons 1 to 6 on the keypad P recalls the corresponding memorised station. You can also do this using the control 3 at the steering wheel. If it is a RDS station, the frequency appears some seconds before the name appears. For RDS stations, recall of a station may prompt a search for a frequency corresponding to the region where you happen to be (see RDS system).

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