Confirming The Firmware Version - Yamaha RX V3900 - AV Network Receiver Firmware Update

Confirming the firmware version

Step1: Set the MASTER ON/OFF button on the front panel to OFF, and confirm that
the AC power cable is properly connected to an outlet.
Step2 While pressing the STRAIGHT button, press (and release) the MASTER
ON/OFF button and then keep pressing the STRAIGHT key until
"ADVANCED SETUP" appears on the front panel display.
(Note: "ADVANCED SETUP" is only displayed for a few seconds.)
Step3 Rotate the PROGRAM selector counterclockwise to select "VERSION".
Latest version would be
If your receiver's version is lower than above, perform the update described in
the following pages. NETWORK UPDATE is recommended if your receiver
is connected to the internet. If not, perform USB UPDATE.
If "ERROR" appears, refer to the troubleshooting procedures on page 6 and
retry the update.
STEP1
Firmware Update Procedure for RX-V3900
"VERSION
STEP2
press & hold
Page.2 of 6
1.11".
STEP3