With the TV off possition (stndby mode), using the remote control RD3401A press the following sequence: DISPLAY, MENU, three, eight, POWER, turn on the television in the service mode. Enter the option "Adjustment".
Use program button up/down to select parameters and volume up/down to change the television value.
To exit and save changes , shut down your Television.
Recommendation: DO NOT alter the values shown in "OPTION".
WARNING !! Please write down all the original data before you make any change to your television factory mode system.

Microsonic TV Service menu
Photo credit : sa.hamptonu.edu
Microsonic TV Service menu (All TV Service Menu Code)
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"Microsonic TV Service menu"
by Admin 2
Microsonic TV Service menu mode, Microsonic TV service mode codes, Microsonic TV factory mode Written on March 06, 2010