PT-TW370, PT-TX430, PT-TX340 — Panasonic Projector Service Manual (repair manual). Page 64

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ADJ-16
SECTION 3 ADJUSTMENTS
<TW370/TX430/TX340>
1. upgrade procedure
 1. Start [FlashUpgrader.exe] in the [Main fw upgrade tool] folder.
 2. Setup each item as below;
Flash file 
: flash_all.inf
Connection  : USB 2.0
Mode   
: Flash
Note:  The progress bar shows the upgrade progress 1 to 100%. After downloading and writing are finished. The progress bar 
indicates 100%.
Quit the application
To confirm the upgraded firmware version, press and hold the [MENU] and [▲] keys more than 3 seconds. 
The firmware version will be displayed on the screen as the below.
 3. Click [Flash] button.
 4.  Press and hold the [v/b] and [▲] keys on the control panel and connect AC code to the projector. Release keys when  
 
 the [ON(G)/STANDBY(R)] LED blinks and [WARNING] LED lights.
 5. Connect an USB cable between the projector (USB-B) and PC (USB-A).
 6. The firmware upgrade will start. It takes 6 to 7 minutes to complete the upgrade.
 7. Upgrading completed
   After upgrading completed, the [ON(G)/STANDBY(R)] LED will light and the [WARNING] LED will off.
Group
999
No.
0
Data
+0
Ver.
1.01
PT-TW370
Version of Main firmware
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