Special Mode; Special Mode Setting Button - Denon AVR-4520CI Service Manual

SPECIAL MODE

Special mode setting button

b No.1 - 5, 7-10,13 : Press the "Power operation ( X )" button to turn on the power while pressing both the buttons A and the button B
at the same time.
b No.6, 11, 12 : Turn on the power, then press and hold down the A and B buttons for over 3 seconds.
No. Mode
Version display
1
(μcom/DSP Error Display)
User Initialization mode
2 (Installer Setup settings are not
initialized.)
Factory Initialization mode
3 (Installer Setup settings are also
initialized.)
PANEL/REMOTE LOCK Selection
4
mode
5 Service Related Selection mode
6 Remote ID Setup mode
Mode for switching tuner frequency
7 step
(E2 model Only)
8 Installer Setup mode
9 Additional Source mode
10 Prptection pass mode
11 DM860A Reboot mode
12 DM860A initial mode
13 ZONE4 HDMI mode
NOTE :
When the volume indicator displays "
communication cannot be used.
To cancel this special mode, press and hold the "Cursor f "and "STATUS" buttons for 3 seconds and longer. When the
volume indicator returns to the normal display, RS-232C communication can be used.
Button A Button B
SETUP
INFO
Cursor d Cursor f
STATUS
ZONE/REC
STATUS
DIMMER
OPTION
Cursor 0
BACK
Cursor f
DIMMER
DIMMER
Cursor 1
DIMMER
ENTER
", the set has entered a special mode for developers. In this case, RS-232C
STATUS
ZONE/REC SELECT
Cursor df0 1
BACK
X
Firmware versions such as Main or DSP are displayed in the FL Display.
OPTION
Errors are displayed when they occur. (Refer to 25 page)
Backup data initialization is carried out.
BACK
(Installer Setup settings are not initialized.)
Backup data initialization is carried out.
(Installer Setup settings are also initialized.)
Selects to reject operations through panel buttons and the master
INFO
volume knob on the main unit and operations via the remote control.
(Refer to 30 page)
Selects the "Diagnostic mode" or "Displaying the protection history
SELECT
mode". (Refer to 31 page)
When using multiple DENON AV receivers in the same room, make this
STATUS setting so that only the desired AV receiver operates. (Refer to 65
page)
BACK Change tuner frequency step to FM:50kHz/200kHz
Access the Remote Maintenance mode via the internet.Installer Setup
BACK
is displayed on GUI/Option Menu.
b Refer to AVR_RemoteMaintenance_.pdf of SDI.
Adds AUX3-7 as a Source.
BACK
Turns the power on with the Protection detection disabled.
INFO
Restarts DM860.
Enter this mode only after replacing Nand Flash for DM860A and
rewriting the firmware.
INFO
Assigns and uses ZONE4 HDMI for ZONE2.
OPTION
INFO DIMMER
SETUP
24
Contents
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