SPECIAL MODE
Special mode setting button
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
(MCU / DSP Error Display)
DIMMER STATUS -
Displays the version of rmware such as the MCU or DSP. Errors that have occurred are displayed.
(See 1. Version Display Mode)
2
PANEL / REMOTE LOCK Selection
Mode
M-DAX DIMMER -
Activates the unit in PANEL/REMOTE LOCK selection mode to enable PANEL LOCK and Remote Lock On/Off to be set.
(See 2. PANEL / REMOTE LOCK Selection Mode)
3 Selecting the Mode for Service-related
ZONE2
SOURCE
STATUS -
A selection mode for entering service-related modes.
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 latest occurred protection history. (See 3-2. Protection History Display Mode)
3-3 232C Standby Clear Mode
↑ ↑ -
Switches from 232C standby mode to normal standby mode.
(See 3-3. 232C Standby Clear Mode)
3-4 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 3-4. Operation Info Mode)
3-5
TUNER STEP Mode
(U and N model only)
↑ ↑ -
Enables the FM/AM tuner reception frequency step to be changed.
(See 3-5. TUNER STEP mode (U / N only))
4 Protection Pass Mode
DIMMER STATUS
SOUND
MODE
Enables the power to be turned on when protection detection is disabled.
(See 4. Protection Pass Mode)
5 Network Initialization Mode
TUNER
PRESET CH -
DIMMER -
Network module backup data is initialized.
(See 5. Network Initialization Mode)
6 User Initialization Mode
M-DAX
ZONE2
SOURCE
-
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 -
TUNER
PRESET CH +
-
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 of Operation Info
TUNER
PRESET CH +
DIMMER -
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 of Operation Info)
9 HDMI Diagnostics Mode
DIMMER
SOUND
MODE
-
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
TUNER
PRESET CH +
STATUS -
Acquires the Network Module log. As the Network Module reboots, the log is deleted. Make sure to obtain the log before turning off
the unit’s power. (See 7. Log Capture feature)
NOTE : If the two indicator lights at the bottom right of the FLD display "
", this means that the unit has entered the special developer’s mode. In this case, the RS-232C communication is not available.
To release this special mode, press and hold the "DIMMER" and "STATUS" buttons for 3 seconds or more while the power is ON. The RS-232C communication is available when the two indicator lights at the bottom
right of the FLD go out.
indicator Lights
TUNER
PRESET CH +
SOUND
MODE
DIMMER
STATUS
M-DAX
X
ZONE2
SOURCE
TUNER
PRESET CH -
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
130
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