LG CM2440 - How to Set the Door Lock Option; How to Upgrade Main and Sub Mcu Firmware

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4. How to set the door lock option?
Step 1: In CD mode, press and hold Stop key (Set) + Press and hold Stop key (RMC).
"LOCKED" : after setting, the CD Door can`t be opened.
Step 2: In CD mode, to change "Unlock" option, press and hold Stop key (Set) + Press and hold STOP Key (RMC).
"UNLOCKED"
5. How to upgrade main and sub MCU fi rmware?
1) Upgrade Main MCU (MCS Bx8805) : Firmware name is "CM2x40_VERxx_xxxxxx. MCS"
Step 1: All of fi les in USB drive should be removed. Then copy fi rmware to USB device.
Step 2: In USB mode, insert USB device to socket. Then upgrade process will be started automatically as below.
"NO USB" Ö "SEARCH" Ö "UPGRADE"
Step 3: After fi nishing upgrade fi rmware, "SUCCESS" message will be shown during 2 seconds.
Then the set will be power off automatically.
"SUCCESS"
2) Upgrade Sub MCU (Samsung S3F8419) : Firmware name is "CM2x40_MCU_VERxx_xxxxxx.BIN "
Step 1: All of fi les in USB drive should be removed. Then copy fi rmware to USB device.
Step 2: In USB mode, insert USB device to socket. Then upgrade process will be started automatically as below.
"NO USB" Ö "SEARCH" Ö "MCU UP"
Step 3 : During upgrading, the progress will be shown as below
"[ 13]" …"[ 73]"……. "[100]"
Step 4 : After fi nishing upgrade fi rmware, "Success" message will be shown without auto power off.
So user need to plug out AC code for restarting the set.
"SUCCESS"