Alpine X-A70F Owners Manual - Page 8

Power Supply Terminal Fuse X-A90M/X-A90V 30 A x 3 X-A70F 35 A x 2 USE THE CORRECT AMPERE RATING WHEN REPLACING FUSES. Failure to do so may result in fire or electric shock. Speaker Input Level Switch Switch according to the Speaker input mode. a) When making a speaker input connection with RCA Extension Cables (sold separately), set to "LO". b) When making a speaker input connection with Speaker-RCA Conversion Cables (sold separately), set to "HI". RCA Input Jacks Connect these jacks to the line out leads on your head unit using RCA extension cables or Speaker-RCA Conversion cable (sold separately). Be sure to observe correct channel connections; Left to Left and Right to Right. Pre-Out Jacks (X-A90M only) These jacks provide a line level output. This is an ideal output for driving a second subwoofer amp. This output is full-range, and is not affected by the crossover. Remote Bass Control (Optional) Connect the Remote Bass Control Unit RUX-KNOB or RUX-KNOB.2 (sold separately) to adjust the output level remotely. This is not to replace appropriate gain level setting between the amplifier and head unit. • X-A70F supports RUX-KNOB.2 only. Speaker Output Terminals Battery Connector Make the Battery, Remote Turn-on and Ground lead connections (as shown) to the Battery Connector. Insert Plug to Terminal . • For details on how to connect, see "Cautions on wire lead connections" (page 7). 6-EN Battery Lead (Sold Separately) Be sure to add an External Fuse (e.g. Fuse Block, Circuit Breaker) with the battery lead as close as possible to the battery's positive (+) terminal. This fuse will protect your vehicle's electrical system in case of a short circuit. See below for appropriate fuse value requirement: X-A90M/X-A90V 90 amp fuse X-A70F 70 amp fuse • For details on the wires size to be used, refer to the supplied "Cautions on Power Supply Wires Connection" and "Cautions on Power Supply Wires" (page 19), and then use the wire of the specified size. Remote Turn-On Lead (Sold Separately) Connect this lead to the remote turn-on (positive trigger, (+) 12 V only) lead of your head unit. If a remote turn-on lead is not available, see "CONNECTION CHECK LIST" section on page 8 for alternative method. • When connecting the speaker output leads of the head unit to this unit with a Speaker-RCA Conversion cable (sold separately), you do not need to connect the remote turn-on lead, owing to the "REMOTE SENSING" function of this unit. However, the "REMOTE SENSING" function may not work depending on the signal source connected. In such a case, connect the remote turn-on lead to an incoming power supply cord (accessory power) in the ACC position. Ground Lead (Sold Separately) Connect this lead securely to a clean, bare metal spot on the vehicle's chassis. Verify this point to be a true ground by checking for continuity between that point and the negative (-) terminal of the vehicle's battery. Ground all your audio components to the same point on the chassis to prevent ground loops while keeping wire length as short as possible. • For details on the wires size to be used, refer to the supplied "Cautions on Power Supply Wires Connection" and "Cautions on Power Supply Wires" (page 19), and then use the wire of the specified size. Speaker Connector Make the Speaker Output Lead (+)/(-) connections to the Speaker Connector. Insert Plug to Terminal . • For details on how to connect, see "Cautions on wire lead connections" (page 7). Be sure to observe correct speaker output connections and polarity in relation to the other speakers in the system. Connect the positive output to the positive speaker terminal and the negative to negative.