Setting Audio Mute On/Off While Backing Up; System Setup; Adjusting The Key Sound Volume; Setting The Microphone Effect - Alpine i509-WRA-JK Installation Manual

Adjusting Image Contrast
Setting item:
Contrast
Setting contents:
-15 to +15 (Initial setting: 0)
Setting Audio Mute On/Off while
Backing up
The audio volume can be muted when the shift gear lever is
set to the reverse (R) position.
Setting item:
Mute While Backing Up
Touch [ ] (Off) or [
While Backing Up".
] (On) of "Mute

System Setup

[System] is selected on the Settings menu screen.
■
System Setup Menu screen
Setting Items:
Key Sound Feedback (page 27)
Microphone EC/NR (page 27)
Language (Language) (page 28)
Clock Adjust (page 28)
Home Screen Type (page 28)
Screen/Lighting (page 28)
Screen Color (page 29)
Source Priority Setup (page 29)
Vehicle Types for Phone Link (page 29)
Installation Status (page 29)
About/Software Update (page 30)

Adjusting the Key Sound Volume

[Key Sound Feedback] is selected on the System Setup
Menu screen
You can change the volume of the sound heard when a
button is touched.
Setting item:
Key Sound Feedback
Setting contents:
0 to 7 (Initial setting: 4)

Setting the Microphone Effect

[Microphone EC/NR] is selected on the System Setup
Menu screen.
Set this item when using a hands-free call or calling on
Apple CarPlay/Android Auto.
You can adjust the level of the Microphone Effect according
to the space inside the vehicle.
Setting item:
Microphone EC/NR
Setting contents:
1 / 2 (Initial setting) / 3
1: Small space inside the vehicle
2: Middle space inside the vehicle
3: Large space inside the vehicle
• This setting does not apply to Voice Recognition function.
27
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