Special mode setting button
AVR-S750H
b
No. 1 - 4, 6 - 8 : While holding down buttons "
A
", "
B
" and "
C
" simultaneously, press the power button to turn on the power.
b
No. 5, 9, 10 : While the power is on, hold down buttons "
A
", "
B
", and "
C
" for at least 3 seconds .
No. Mode Button A Button B Button C Descriptions
1
Version Display Mode
(u-COM / DSP Error Display)
DIMMER STATUS -
Displays the version of rmware such as the main rmware or DSP. Errors that have occurred are displayed.
(See 1. Version Display Mode)
2
PANEL / REMOTE LOCK Selection
Mode
ZONE2
SOURCE
TUNER
PRESET CH +
-
Start this unit in the PANEL/REMOTE LOCK selection mode so that PANEL LOCK and Remote Lock can be switched between On and
Off. (See 2. PANEL / REMOTE LOCK Selection Mode)
3 Selecting the Mode for Service-related
TUNER
PRESET CH +
TUNE - TUNE +
This is a display for turning on each service-related mode.
Service-related modes : No. 3-1 - No. 3-5 (See 3-1. Selecting the Mode for Service-related)
3-1 Check the Video/Audio path Mode
↑ ↑ ↑
This is a special mode for service conrmation used during repair work to simplify the conrmation work for the Audio channel /
video channel. (See Service Path Check Mode)
3-2 Protection history display mode
↑ ↑ ↑
Displays the protection occurrence history. (See 3-2. Protection History Display Mode)
3-3 Operation Info Mode
↑ ↑ ↑
Displays the accumulated operating time of the unit, the number of times the power was switched on, and the number of occur-
rences of each protection. (See 3-3. Operation Info Mode)
3-4
TUNER STEP Mode
(E3 and E2 model only)
↑ ↑ ↑
Enables reception STEP of the ANALOG TUNER to be changed.
(See 3-4. TUNER STEP mode (E3 / E2 only))
3-5 Remote ID Setup Mode
↑ ↑ ↑
If there are multiple DENON AV receivers in the same area, this mode prevents other AV receivers from being operated concurrently
with this device. (See 3-5. Remote ID Setup Mode)
4 Protection Pass Mode
ZONE2
SOURCE
TUNER
PRESET CH +
TUNE +
Enables the power to be turned on when protection detection is disabled.
(See 4. Protection Pass Mode)
5 Network Initialization Mode
ZONE2
ON/OFF
ZONE2
SOURCE
-
Network module backup data is initialized.
(See 5. Network Initialization Mode)
6 User Initialization Mode
TUNER
PRESET CH -
TUNER
PRESET CH +
-
Initialize the backup data for the MCU and network module. (Settings for the Installer Setup are not initialized.)
7 Factory Initialization Mode
TUNER
PRESET CH +
TUNE - -
Initialize the backup data only for MCU.
(Settings for the Installer Setup are initialized) (Network function settings are not initialized.) (See POST-SERVICE PRECAUTIONS)
8 Clearing the Operation Info
TUNER
PRESET CH +
TUNE + -
Clear the accumulated operating time of the unit, the number of times the power was switched on, and the number of occurrences
of each protection. (See 6. Clearing the Operation Info)
9 HDMI Diagnostics Mode
ZONE2
SOURCE
TUNER
PRESET CH -
This mode is used to identify and solve the cause when there is a connectivity issue with this unit and an HDMI device.
For details on the operating methods and diagnosis procedures, see the HDMI Diagnostics and Troubleshooting guide issued on SDI.
10 Log Capture feature
MOVIE MUSIC -
Acquires the Network Module log. The log is deleted when the Network Module is deleted.
(See 7. Log Capture feature)
NOTE : When the volume indicator displays "
", the unit has entered a special mode for developers. In this case, the RS-232C communication is not available.
To release this special mode, press and hold the "
ZONE2 SOURCE
" and "
TUNER PRESET CH +
" buttons for 3 seconds or more while the power is ON. When the volume indicator returns to the normal
display, the RS-232C communication is available.
All the indicator Lights
DIMMERMOVIE
STATUSZONE2
SOURCE
TUNER
ZONE2
X
TUNER
PRESET CH +
TUNE -
TUNE + MUSIC
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
117
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General
Weight and Dimensions
