Sony DNW-A100 Maintenance Manual page 54

1-18. Installation of BKNW-104
Operational Method of Maintenance Mode
1. How to Enter the Maintenance Mode
(1) Push the S1101 on the SS-63 board.
2. How to Enter the Next Menu
(1) Push the JOG button once, and the button illuminates.
=Search dial enters into JOG mode.
(2) Turn the search dial and set the *mark to a desired menu (mode).
(3) Push the SET button.
3. How to Exit the Current Menu (Mode)
(1) Push the MENU button.
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If the MENU button is pushed several times, maintenance mode exits.
4. How to Change the Data Value (Level Adjustment)
(1) Turn the search dial and set the *mark to the item to adjust.
(2) Turn the search dial while pressing the JOG button.
REVERSE direction: decrease the data value (00's next is FF)
FORWARD direction: increase the data value (FF's next is 00)
5. How to Save the Data
(1) Turn the search dial and set the *mark to A2F: NV-RAM CONTROL.
(2) Push the SET button.
(3) Turn the search dial and set the *mark to "SAVE ALL ADJUST DATA".
(4) Push the SET button.
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The sub mode and menu of maintenance mode that is used when installing the AD-105 board is as shown
below.
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M0: TAPE MAINTENANCE
C2: AUDIO/VIDEO CHECK
C21: VIDEO TEST SG
A2: AUDIO/VIDEO ADJUST
A20: VPR VR
A22: AD VR (LOOP)
A2F: NV-RAM CONTROL
DNW-A100/A50/A45
DNW-A100P/A50P/A45P