Adjusting speaker and microphone levels

 

First download the file "gain_table.bin" from the phone's "a" drive in the root folder.   Now open the file in XVI32.   The offsets listed below control the various features of the phone.   The factory settings are listed first followed by a recommended setting.   Just enter the number you want into the text box.

Speaker settings:

Offset "0D" controls the earpiece call gain.   "01" ("02" recommended).
Offset "19" earpiece keypad gain.   "01" ("01" recommended).
Offset "25" earpiece system tone gain.   "01" ("01" recommended).
Offset "31" external speaker speakerphone gain.   "00" ("00" recommended).
Offset "3D" external speaker keypad gain when on speakerphone.   "01" ("01" recommended).
Offset "49" external speaker mp3/midi/video gain.   "01" ("01" recommended).
Offset "4E" external speaker system tone gain.   "05" ("05" recommended).
Offset "61" wired headset call gain.   "04" ("04" recommended).
Offset "6D" wired headset inner keypad gain.   "02" ("02" recommended).
Offset "DC" Bluetooth headset call gain.   "08" ("0E" recommended).
Offset "EA" Bluetooth headset inner keypad gain.   "08" ("08" recommended).
Offset "F6" external speaker system tone gain when Bluetooth headset connected.   "08" ("08" recommended).
Offset "139" earpiece voice name/voice record playback gain.   "01" ("01" recommended).
Offset "1BD" wired headset mp3/midi/video gain.   "01" ("01-04" recommended).
Offset "15D" external speaker voice dial gain when on speakerphone call.   "01" ("01" recommended).
Offset "178" Bluetooth voice name/voice record playback gain.   "08" ("08" recommended).
Offset "1C0" controls master volume when playing mp3s.   "05" ("05 recommended).


Microphone settings:

Offset "1E1" handset microphone gain.   "1D" ("1D" recommended).
Offset "1F9" wired headset microphone gain.   "1F" ("1F" recommended).
Offset "21D" speakerphone microphone gain.   "1F" ("1F" recommended).
Offset "238" Bluetooth headset microphone gain.   "08" ("0A" recommended).


There is another way to adjust your settings through a more friendly interface.   GP Tables Editor is a program that lists the various audio settings and allows you to make a couple clicks and save your settings to the phone.   You can download the program right here.

First click the "Connect" button.



Click the "Load file" button and select "Phone".



There are five buttons with lists of settings in them: "Master Volume", "Speakers", "Speakers II", "Bluetooth" and "Microphones".   Your settings are all made in these menus.



When you are done click "Save file" and select "Phone".

Click "Restart".