15
AVR-4310CI/AVR-4310/AVC-4310
SPECIAL MODE
Special mode setting button
※ Press the ON/OFF button to turn on while pressing both buttons A and B at the same time.
*1 : About RS-232C communications
RS-232C communications are not possible when" " is displayed on the FL display.
Press and hold in the "STATUS" and " ▽ " buttons for over 3 seconds with the power turned on to turn the " " 
display off. RS-232C communications are now enabled.
Mode Button A Button B contents
Version display
(µcom/DSP Error Display)
STATUS RETURN
Serial No. and firmware versions such as Main, Sub, DSP are 
displayed in the FL manager. Errors are displayed when they 
occur. (Refer to 16 page.)
Displaying the protection history mode
STATUS MENU
Displaying the protection history
(Refer to 18 page.)
Initialization mode
(Remove settings for Installer Setup.)
STANDARD
DSP 
SIMULATION
Backup data initialization is carried out.
(Remove settings for Installer Setup.)
Initialization mode
(Includes settings for Installer Setup)
CURSOR UP
CURSOR 
DOWN
Backup data initialization is carried out.
(Includes settings for Installer Setup)
Mode for switching tuner frequency step
STANDARD
DIRECT/
STEREO
---E2 model only---
Change tuner frequency step to FM:200kHz/AM:10kHzSTEP. g
Mode for preventing remote control 
acceptance
STATUS ENTER
Operations using remote control are rejected.
(Mode cancellation: Turn off power and execute the same button 
operations as when performing setup.)
Panel lock mode
DSP 
SIMULATION
ZONE2 
Operations using main unit panel buttons or master volume are 
rejected.
Panel lock mode
(Remove Master volume)
DIRECT/
STEREO
ZONE2
Operations using main unit panel buttons are rejected.
Cancellation of panel lock mode
PURE 
DIRECT
ZONE2 
Panel lock mode is cancelled.
Installer Setup mode*1
MENU
CURSOR 
LEFT
Access Remote Maintenance mode via the internet.Installer Setup 
is displayed on GUI/Option Menu.
Refer to AVR4310_RemoteMaintenance_.pdf of SDI.
ON/OFF
RETURN
ZONE2
DSP 
SIMULATION
STANDARD STATUSENTER
PURE
DIRECT
DIRECT/
STEREO
MENU
CURSOR