Firmware
5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
How to Update (service mode) 1/2
TX-SR343/444
HT-R494
Overwriting is also possible.
1.
Connect the MMC card JIG(
Part No:
0J34) with MMC card that is already all firmware
in it to JI
G port on the unit.
2.
Turn on the unit. It takes some time to start after you switch on the unit.
Press: [TONE +] + [ON/STANDBY] x 2
3.
Press [RETURN] button, Then it is displayed as below
If you need each module of the firmware update, you can select the module by pressing
PRESET < and > button.
MMC -> ALL: ALL firmware update (default)
MMC -> DSP: DSP firmware update
MMC -> OSD: OSD firmware update
MMC -> VMPU: Video MPU firmware update
MMC -> MMPU: Main MPU firmware update
MMC -> WORK: Compare between AVR and MMC, Only update new version firmware
The default setting is “ ALL”
CAUTION: When you will update each module firmware,
you have to keep combination of firmware
.
4. Press [ENTER] button. Start update firmware.
MMC card JIG
(Part No:
0J34
)
