Gamma Data Backup (/Restore) Method - Panasonic BT-LH900P Service Manual

6. GAMMA Data Backup (/Restore) Method

This unit memorizes gamma correction data in EEPROM (IC6203) on the MAIN circuit board. Therefore, when
exchanging the MAIN circuit board or EEPROM (IC6203), backup the gamma correction data at the personal
computer in advance and restore it data exchanged EEPROM.
6-1. preparations of Backup/Restore the GAMMA Data
6-1-1 Required Items for backup and restore
·Gamma Adjustment Software
VFK1893
·PC Windows95,98 or over
·RS-232C cable (9P straight cable )
6-1-2. Installation of Gamma Adjustment Software
Copy the following file to a directory of your choice on the PC.
·VFK1893
6-1-3. Connection
·Switch the unit's power off, and connect the RS-232C cable (9P straight cable) to the unit's RS-232C terminal
(D-Sub 9Pin) and the PC as shown below.
D-SUB 9 Pin
Straight cable
RS-232C
terminal
PC
Serial Port (COM1)
BT-LH900
INF-11