17
3. Execution of the Self Check
Function
8
Turn the Power On while pressing the [SELECT] Key,
[ON] Key of the MASTER LR and [3] Key of the TEN KEY
simultaneously, the Self Check Function has been
executed and the Diagnostic Menu 1 as shown in Fig. 3-1
is displayed on the LCD Display of the WR-DA7.
Fig. 3-1
4. Fundamental Operation
4.1. Selection and Execution of the Check
Item
8
Select the Check Item by either UP or DOWN Cursor Key
on the Upper Cover Ass'y.
8
Execute the Check Item by pressing the Enter Key on the
Upper Cover Ass'y.
4.2. Switching of the Diagnostic Menu
8
Move the Cursor to most bottom position by either UP or
DOWN Cursor Key.
8
Select the Diagnostic Item by either LEFT or RIGHT
Cursor Key on the Upper Cover Ass'y.
8
Execute the Diagnostic Item by pressing the Enter Key.
5. Check Each Item
5.1. Version Indication (VERSION)
8
Referring to Fig. 3-1, the Product Description and the
Version of the Control Program will be displayed.
8
Displayed always without any Item Selection and
Execution.
5.2. Battery Backup Indication (BATTERY
BACKUP)
8
Referring to Fig. 3-1, the remaining voltage value of the
Memory Backup Battery will be displayed.
8
Displayed always without any Item Selection and
Execution.
5.3. CPU Test (CPU TEST)
8
Referring to Fig. 3-1, select the CPU TEST Item by either
UP or DOWN Cursor Key.
8
Execute the CPU TEST Item by pressing the Enter Key.
8
When executing, the Self Check will start for ROM (Flash
Memory) and four RAMs (RAM1, RAM2, RAM3 and
RAM4), and check the Serial Communication in between
Main CPU and Sub CPU.
8
A result after Self Check, displayed "OK" in passed item
and displayed "NG" in defective item.
5.4. Serial Interface Test (SERIAL I/F TEST)
8
Connect the Return Cable and the Return Connectors to
the MIDI Connector, RS-422/485 Connector, TO PC
Connector.
8
Insert the SMPTE Board to the Slot of the SMPTE Board
and supply the Time Code from the Time Code Generator.
8
Connect the Return Connector to the Meter Bridge I/F
Connector.
8
Referring to Fig. 3-1, select the SIR I/F TEST Item by
either UP or DOWN Cursor Key.
8
Execute the SERIAL I/F TEST Item by pressing the Enter
Key.
8
When executing, the Self Check will start for the Interface
of MIDI, RS-422/485, TO PC, SMPTE and METER
BRIDGE.
8
A result after Self Check, displayed "OK" in passed item
and displayed "NG" in defective item.
5.5. Multi IC/Mix IC Test (MLT/MIX TEST)
8
Move the Cursor to most bottom position by either UP or
DOWN Cursor Key.
8
Select the Diagnostic Item (DIAG2) by either LEFT or
RIGHT Cursor Key.
8
Press the Enter Key, the Diagnostic Menu 2 as shown in
Fig. 5-1 is displayed.
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