Audison AP8.9 bit - Preset; Fuse; Logo Status

9
AP8.9 bit /
USER’S MANUAL
PRESET.
AP8.9 bit has 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.
FUSE.
30 A blade protection fuse needs to be replaced, use same type and value as the original.
LOGO STATUS.
AP8.9 bit has an built-in control that manages its status and protects the circuits and connections to the
speakers. The logo on the AP8.9 bit top cover will change its status in case of any possible product malfunctions.
A BLUE logo means:
AP8.9 bit is on.
A flashing RED/BLUE logo means:
The “UPGRADE MODE” switch on the product is set to “ON” position, or the product Firmware is being updated.
A flashing BLUE logo means:
The unit is in stand-by (energy saver) because there is no audio signal. This function (AST) can be activated using the PC
software.
(see sec. 7.3.4.7) and the stand-by time ranges from a minimum of 5 mins. to a maximum of 20 mins.
The unit will automatically turn off after 30 mins. when there is no signal.
A RED logo flashing one single time every 2 seconds means:
- AP8.9 bit temperature reached 75° C and the thermal protection was triggered. It will start operating again at
around 70° C.
A RED logo flashing twice every second means:
- Outputoverload.TheredLEDflasheswhentheoutputloadgoesbelowtheminimumallowedcapacityofabout2Ω
impedance. The LED comes on without flashing, activating the protection. When listening to music,
if the acoustic reproduction stops for a few seconds, check if the red amplifier LED is flashing.
This means there was an overload. Turn the amplifier off and check the speakers and wirings.
- Speaker wiring anomaly. The red LED flashes when a terminal on the speaker goes in short-circuit with the
vehicle chassis. When listening to music, if the acoustic reproduction stops for a few seconds, check to see
if the red amplifier LED is flashing; this means there was a short circuit between a terminal on a speaker and
the vehicle chassis. Turn off the amplifier and check the speakers and wiring.
A RED logo flashing four times every second means:
- The “OVER VOLTAGE” protection activation, due to the fact that the battery voltage is higher than 16V. The
product will turn off after 3 minutes.
WARNING: Check the state of charge of the car alternator.
A RED logo means:
- Product internal fault. You have to go to an authorized service centre. The product will turn off after 3 minutes.
4
11
10
12