Firmware Update
5 4 3
2
1
6
D
C
A
B
D
C
A
B
5 4 3
2
1
6
TX-SR393/TX-SR494
HT-R398 / TX-SR292BT
HT-R495
How to Update (service mode) 1/2
Overwriting is also possible.
1. Connect the USB storage to the USB port on the unit.
2. Turn on the unit. It takes some time to start after you switch on the unit.
Press: [DIMMER] + [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.
It should be updated firmware by selecting USB -> ALL normally.
USB -> ALL: ALL firmware update ( default )
USB -> DSP1: DSP firmware update
USB -> OSD: OSD firmware update
USB -> VMPU: VMPU firmware update
USB -> MMPU: Main MPU firmware update
USB -> WORK: Compare between AVR and USB, 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.