Sony DSX-GS80 Operating Instructions - Page 16

Memory hold connection When the yellow power supply lead is connected, power will always be supplied to the memory circuit even when the ignition switch is turned off. Connecting the speakers • Before connecting the speakers, turn the unit off. • Use speakers with a 2 Ω impedance or 4 Ω to 8 Ω impedance, and with adequate power handling capacities to avoid damage. Subwoofer direct connection You can use a subwoofer without a power amplifier when it is connected to a rear speaker lead. To enable the connection, set [SUBW MODE] in [SUBW DIRECT] to [1] to [3]. Front speaker Subwoofer Note Use a subwoofer with a 2 Ω impedance or 4 Ω to 8 Ω impedance, and with adequate power handling capacities to avoid damage. Speaker connection for high volume playback For high volume playback, you can connect front speaker in parallel. For this connection: - Set [SPEAKER LOAD] in [GENERAL] to [2 OHM]. - Connect the subwoofers to right and left rear speaker leads or use a dual voice coil subwoofer with 4 Ω to 8 Ω impedance. FL FR RR RL Front speaker (4 Ω to 8 Ω) Rear speaker (4 Ω to 8 Ω) Subwoofer (4 Ω to 8 Ω, dual voice coil type) Notes • When using a subwoofer with dual voice coil, or using subwoofer(s) by connecting to the right and left rear speaker leads, be sure to set [SPEAKER LOAD] in [GENERAL] to [2 OHM]. • To exert the speaker's potential, make the power connection to the battery directly (page 15). Installing the microphone To capture your voice during handsfree calling, you need to install the microphone .  Clip (not supplied)    Cautions • It is extremely dangerous if the cord becomes wound around the steering column or gearstick. Be sure to keep it and other parts from interfering with your driving operations. • If airbags or any other shock-absorbing equipment is in your car, contact the store where you purchased this unit, or the car dealer, before installation. Notes • When mounting on the dashboard, remove the visor clip carefully from the microphone , then attach the flat-mount base  to the microphone . • Before attaching the double-sided tape  clean the surface of the dashboard with a dry cloth. 16GB