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6-109
DNW-A22/A22P
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.
n
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.
n
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:
the data value decreases (FF follows 00)
FORWARD direction: the data value increases (00 follows FF)
n
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.
6-8. VPR-17 Board Replacement
M0 : TAPE MAINTENANCE
A2 : AUDIO/VIDEO ADJUST
A20 : VPR VR
A2F : NV-RAM CONTROL