JVC HR-XV48EF Service Manual page 23

4.4.2 Method of displayed version of firmware
(1) Set the unit to the test mode.
(2) The version number is displayed in the monitor screen.
FE/BE VERSION:4624/S2712
4.4.3 All-initialization method
Please perform all-initialization according to the following procedures in the following case:
• Just after you exchange the pick-up.
• Just after you exchange the spindle motor.
• Just after you exchange the traverse mechanism base.
NOTE:
Please perform all-initialization when you exchange the parts above and also when you remove the parts above.
(1) Set the unit to the test mode.
(2) Press the REVERSE SKIP/INDEX ( ) key of the remote controller for more than 2 seconds.
(3) When initialization is completed, the PLAY ( ). mark is indicated in the FDP.
HR-XV48
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NO DISC
HR-XV48
BE INIT OK
NO DISC
Model name
Version of firmware
Others
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(No.YD051)1-23