Wiring Diagram; Deleting Contacts; Electrical Connections - Boss Audio Systems 638BA User Manual

3. Press and hold AUDIO button again.
4. Using volume knob, select the name of the contact and press

Deleting Contacts

1. Press PHONE then press and hold AUDIO button for 2 seconds.
2. Press AUDIO button repeatedly until "FIND NUM" displays.
3. Press and hold AUDIO button again.
4. Rotate volume knob until the name of the contact you want to delete displays.
5. Press and hold
How to Set Incoming Call Melody
1. Press PHONE then press and hold AUDIO button for 2 seconds.
2. Press AUDIO button repeatedly until "MELODY" displays.
3. Rotate volume knob to the desired melody.
How to Set Incoming Call Ring Volume
1. Press PHONE then press and hold AUDIO button for 2 seconds.
2. Press AUDIO button repeatedly until "RING" displays.
3. Rotate volume knob to the desired level.
How to Set Conversation Volume
1. Press PHONE then press and hold AUDIO button for 2 seconds.
2. Press AUDIO button repeatedly until "TEL" displays.
3. Rotate volume knob to the desired level.
Disconnect Paired Devices
You can disconnect to an already paired Bluetooth device from your car stereo.
1. Press PHONE then press and hold AUDIO button for 2 seconds.
2. Press AUDIO button repeatedly until "DISCONN" displays.
3. Press and hold AUDIO button again to disconnect.

Electrical connections

L (WHITE)
ANTENNA
L (WHITE)
CONNECTOR
SUB WOOFER L (WHITE)
CONNECTOR A
4. CONSTANT +12V
5. AUTO ANTENNA OUTPUT
7. IGNITION SWITCHED +12V
8. GROUND
for 2 seconds to delete contact.
LINE OUT
(FRONT)
R (RED)
LINE OUT
(REAR)
R (RED)
LINE IN
R (RED)
CONNECTOR B
1. REAR RIGHT SPEAKER (+)
2. REAR RIGHT SPEAKER (-)
3. FRONT RIGHT SPEAKER (+)
4. FRONT RIGHT SPEAKER (-)
5. FRONT LEFT SPEAKER (+)
6. FRONT LEFT SPEAKER (-)
7. REAR LEFT SPEAKER (+)
8. REAR LEFT SPEAKER (-)
to call.
ISO CONNECTOR
1 3 5 7
B
2 4 6 8
5 7
A
4 8
DIAL KEYPAD