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For the maintenance mode
The operation of the maintenance mode is described as follows:
. . . . . Entering the maintenance mode
Press S1101 (G-1) on the SS-63 board.
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The sub modes and menus of the maintenance mode that are used after replacing the VPR-17 board are as
shown below.
. . . . . Shifting to the next menu
(1) Press the JOG button once to enter the JOG mode.
(2) To set the cursor (* mark) to the desired menu (mode), turn the search dial.
(3) Press the SET button once.
. . . . . Exiting form the current menu (mode)
Press the MENU button once.
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To exit from the maintenance mode, press the MENU button several times.
. . . . . Changing the data value
(1) To set the cursor (* mark) to the item, turn the search dial.
(2) Turn the search dial slowly while pressing the JOG button. = Data value changes.
REVERSE direction:
FORWARD direction: the data value increases (00 follows FF)
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During adjustment, change the rotational direction of the search dial according to the change of
waveform that is displayed on the measuring equipment.
. . . . . Saving the data
(1) To set the cursor (* mark) to A2F : NV-RAM CONTROL, turn the search dial.
(2) Press the SET button once.
(3) To set the cursor (* mark) to "SAVE ALL ADJUST DATA", turn the search dial.
(4) Press the SET button once.
DNW-A22/A22P
M0 : TAPE MAINTENANCE
A2 : AUDIO/VIDEO ADJUST
A20 : VPR VR
A2F : NV-RAM CONTROL
the data value decreases (FF follows 00)
6-8. VPR-17 Board Replacement
6-109
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