LG SL4Y Service Manual page 11

USB Update
Step 9. SL4Y main unit will be off automatically after update f nish.
Step 10. Power on SL4Y main unit again.
Step 11. Check the current versions to verify whether the update was successfully completed or not.
1) Press "Version Check" hidden key
• Version Check Hidden Key : Press Set "Vol-" + RCU "Play/Pause" for 3secs.
2) SL4Y shows the version of all modules in the order shown below.
• The order that SL4Y shows version in version check hidden mode.
DSP  Wireless Subwoofer Tx  Wireless Subwoofer Rx  Wireless Rear Tx
 Wireless Rear Rx  PEQ  Option
3) Compare the version VFD shows and you updated.
Module
DSP
Wireless Subwoofer Tx
Wireless Subwoofer Rx
Wireless Rear Tx
Wireless Rear Rx
PEQ
Option
* Press Play/pause button to see
next option value.
<SL4 VFD Display in Version Display>
1-10
+
VFD display sample
E1812100
WT190007
WR191008
RT194006
RR185001
Q1812070
OP00-00
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