The Other Caller Cannot Hear Your Voice, or Your Voice Is Too Quiet or Distorted

NAVIGATION SYSTEM: The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CELLULAR PHONE
(a) Check if the other side can hear your voice properly.
OK:
Your voice can be heard correctly.
NG -- REPLACE CELLULAR PHONE
OK -- Continue to next step.
2. CHECK SETTINGS





(a) Check if the mute switch is set to ON.
OK:
Mute switch is not set to ON.
NG -- TURN MUTE SWITCH OFF
OK -- Continue to next step.
3. CHECK SETTINGS





(a) Enter the "Handsfree Voice Quality Set" mode (Bluetooth TEL Check Mode).
(b) Check if the Send Voice Level is set to "0".

HINT: The Send Voice Level can be set to 11 different levels, -5 to +5, with a 3 dB difference.

(c) Check if the Send Voice Level minimum or maximum level.

HINT: When the Send Voice Level is set to the minimum or maximum level, the sound may be distorted.

OK:
The Send Voice Level is set to "0".
NG -- SET SEND VOICE LEVEL TO "0"
OK -- Continue to next step.
4. CHECK MICROPHONE (NAVIGATION CHECK MODE)





(a) Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (Navigation Check Mode).
(b) When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
(c) Push the recording switch and perform voice recording.

HINT: Voice can be recorded up to 5 seconds.

(d) Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
OK:
All check results are normal.
NG -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY