Nokia 3310 User Manual
Also see for 3310: ManualUser guideUser guideService manualOwner's manual
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Contents
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40a) To deactivate the EFR CODECWith the display clear perform thefollowing key press sequence:#3370# or #EFR0#i.e. press the "#" key, then the "3" keyand so on...b) To activate the EFR CODECWith the display clear perform thefollowing key press sequence:*3370# or *EFR0#i.e. press the "*" key, then the "3" keyand so on...Notes to a) and b)i) Immediately after pressing *3370#(or #3370#) the phone willautomatically power itself off andthen on again - this is NORMAL andalso serves to indicate thatdeactivation (or activation) hasoccurred. During the automatic poweroff/on sequence the LCD display willbecome clear, the back lights willswitch off and then the display willcome back on.ii) If during activation/deactivationthe wrong key is pressed, clear thewrong entry by pressing the key.iii) If at any time you choose to quitthe process then press and hold thekey. Suggested Tipyou may wish to store the aboveactivation/deactivation sequences inthe phonebook.Name:EFR ONNumber:*3370#Name:EFR OFFNumber:#3370#To save the activation sequence to thephonebook, the name MUST beentered first otherwise deactivationor activation of the EFR codec willoccur. |
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