C
H
4
79
SETTINGS
C
H
4
78
SETTINGS
1
Press [MENU] .
To adjust key pad tone:
KEY TONE
2
Adjust the key pad tone with the Navigation Key
then press [OK].
Off (Min- )
Level 1 - 5 (level 5, Max- )
1
Press [MENU] .
To adjust earpiece volume:
VOICE CALL
2
Adjust the earpiece volume with the
Navigation Key then press [OK].
Level 1-5 (Min- , Max- )
1
Press [MENU] .
To adjust speakerphone volume:
SPEAKERPHONE
2
Adjust the speakerphone volume using the
Navigation Key then press [OK].
Level 1-5 (Min- , Max- )
To adjust tone length:
TONE LENGTH
1
Press [MENU] .
2
Select “Normal” or “Long” with the Navigation
Key then press [OK] to save it.
To adjust silencer mode:
SILENCER MODE
1
Press [MENU] .
2
Select “Off” or “On” with the Navigation Key
then press [OK] to save it.