PT-RCQ10, PT-RCQ80 (serv.man3) — Panasonic Projector Service Manual (repair manual). Page 110

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2. Firmware update procedure
  Firmware updating can be done via the LAN terminal or the SERIAL terminal. 
   DIGITAL LINK firmware can be done via the serial terminal only.
 It is recommended to use the LAN terminal for updating the firmware.(updating speed is faster than serial terminal)
2. 1. Equipment to be used
1. Computer : Use it for firmware transferring
2. Communication cable : 
3. Service Software : [MainSubNtUpdateTool.exe ]      Download from the projector service website.
4. Firmware software : Download the firmware file from the projector service website to the PC.
2. 2. Connection Preparations
1. Check the settings of the projector.
LAN terminal connection
  1) Set [NETWORK CONTROL] → [TYPE SELECT] in the [NETWORK] menu to [LAN].
  2) Check the projector IP address in [NETWORK STATUS] of the [NETWORK] me and take a note.
  3) Set the IP address of computer to approximate (same network group) value of the projector IP address.
  SERIAL terminal connection
  1)  The [INPUT SELECT] of sub menu [RS-232C] in [PROJECTOR SETUP] must be set according to the connection meth-
  2) Enter the service mode, set [RS-232C] → [EMULATE] in the [PROJECTOR SETUP] menu to [OFF].
  3) Check the RS-232C settings (ID, Baudrate and Parity) and take a note.
• If you have changed the each menu settings, please return settings to the original (customers) after work.
2. Connect the projector and the PC by using a communication cable.
LAN terminal connection example
SERIAL terminal connection example
Projector SERIAL IN
Communication cable (straight)
D-Sub 9P
D-Sub 9p (female)
LAN cable (straight)
LAN cable (straight)
Projector LAN
2. 3. Update procedure
1. Switch the projector to "Normal-Standby" mode.
2. Start up service software [MainSubNetUpdateTool.exe] with a computer.
LAN terminal connection
LAN cable. (When connecting directly, use a cross cable)
SERIAL terminal connection D-sub 9pin (male/female RS-232C straight)
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