User manual PIONEER F-J220

[. . . ] Do not allow this unit to come into contact with liquids. Also, damage to this unit, smoke, and overheating could result from contact with liquids. Always keep the volume low enough to hear outside sounds. If the battery is disconnected or discharged, any preset memory will be erased. [. . . ] Only frequencies lower than those in the selected range are outputted from the subwoofer. To cycle between the cut-off frequency and output level of the subwoofer. To switch to output level and then turn M. Adjustment range: +6 to -24 HPF SETTING (high pass filter adjustment) When you do not want low sounds from the subwoofer output frequency range to play from the front or rear speakers, turn on the HPF (high pass filter). Only frequencies higher than those in the selected range are output from the front or rear speakers. SLA (source level adjustment) SLA (Source Level Adjustment) lets you adjust the volume level of each source to prevent radical changes in volume when switching between sources. When selecting FM as the source, you cannot switch to SLA. Settings are based on the FM volume level, which remains unchanged. The AM volume level can also be adjusted with this function. The FM tuning step employed by seek tuning can be switched between 100 kHz, the preset step, and 50 kHz. Tune in the stations with manual tuning or use seek tuning again. With a 2 speaker system, do not connect anything to the speaker leads that are not connected to speakers. Do not use unauthorized parts as this may cause malfunctions. Consult your dealer if installation requires drilling of holes or other modifications to the vehicle. Do not install this unit where: Front output Rear output Antenna input Fuse (10 A) Power cord input Wired remote input Hard-wired remote control adaptor can be connected (sold separately). -- it may interfere with operation of the vehicle. -- it may cause injury to a passenger as a result of a sudden stop. Perform these connections when not connecting a rear speaker lead to a subwoofer. To power cord input Left Right Front speaker Rear speaker White White/black Gray Gray/black Green Green/black Violet Violet/black Black (chassis ground) Connect to a clean, paint-free metal location. Perform these connections when using the optional amplifier. Install this unit away from hot places such as near the heater outlet. Optimum performance is obtained when the unit is installed at an angle of less than 60°. [. . . ] This unit may not operate correctly depending on the application used to encode WMA files. There may be a slight delay when starting playback of audio files embedded with image data. Since the CD side of DualDiscs is not physically compatible with the general CD standard, it may not be possible to play the CD side with this unit. Playable folder hierarchy: up to eight tiers (A practical hierarchy is less than two tiers. [. . . ]