SUB OUT.
Pre-amplified output subject to LO PASS filtering optimized to drive a mono amplifier for an external subwoofer or
active subwoofer. (see sec. 5.4)
OPTICAL IN.
AP F8.9 bit accepts at its input PCM signals up to 192 kHz / 24 bit sampling frequency rate. So DOLBY DIGITAL
(AC3) multi-channel signals coming from audio/video sources (such as the audio of a film in DVD) or DTS can not
be reproduced. Connect a fiber optic cable with a TOSLINK connector. This input can be selected using the external
DRC control or by activating it using the OPTICAL IN terminal. (see sec. 5.3)
DRC.
Connection terminal for remote control of the functions (OPTIONAL) of the AP F8.9 bit (see sec. 5.5)
USB.
USB (micro) connection to connect the product to a PC in order to manage the functions using AP F8.9 bit software.
The connection is USB 1.1/2.0/3.0 compatible.
UPGRADE OFF-ON.
Switch ON allows the product to be updated in BOOT LOADER mode. (see sec. 8.3)
PRESET.
AP F8.9 bit features 8 setups preloaded in its memory, one being editable. They allow the product to be used
without the need to connect it to a PC. (see sec. 5.4.1; 5.4.8). The preset choice is based on the factory system in
the car or the type of system you wish to create.
6
7
8
9
10
11
4
FUSE.
30 A blade protection fuse. In case the fuse needs to be replaced, use same type and value as the original.
12
2 X 30A
Blade fuse