Maintenance 
 
10.  The file is stored in memory, and the screen shown below appears. Press the [Execute] 
key to start updating. 
 
11.  When updating completes, the screen shown below appears. 
 
12.  Turn the main power switch off. 
13.  Rear cover (page 4-6) 
14.  Press in the SD card to release it. Then remove it from the slot. 
15.  Turn off the update switch (SW5) [A]. 
 
16.  Turn the main power switch on, then the new firmware will be working. 
Recovery after power loss 
 
  When the power supply is switched OFF during firmware update, update is interrupted,