Adjustment - JVC XV-N30BK(MK3) Service Manual

4.1 Test mode setting method
(1) Unplug the power plug.
(2) Insert power plug into outlet while pressing both "PLAY" key and "STOP" key of the main body.
(3) The FL display shows "∗0", and the main body turns to test mode. "∗" means the destination, and "0" means parameter adjust-
ment status.
(4) To release test mode, press "POWER" key of the main body.
NOTE:
Each pressing of "CHOICE" key of the remote controller in test mode changes the mode as follows.
4.2 Method of displaying version of firmware
(1) Set the main body at test mode.
(2) Press "CHOICE" key of the remote controller once. Then, version number and alphabetical letter of the system controller and
the back end are displayed in the FL display as follows:
4.3 Initialization method
Please initialize according to the following procedures in the following case:
• Just after you upgrade the firmware.
• After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or
not.
• After servicing, before returning the main body to a customer. (Initialized main body should be returned to a customer.)
(1) Set the main body at test mode.
(2) Press "PAUSE" key of the main body.
(3) When initialization is completed, the FL display changes from "∗0" to "∗00".(The left "0" of "00" is not always "0". It shows pa-
rameter adjustment status.)
STANDBY/ON
DISPLAY
TITLE/
3D PHONIC GROUP RETURN CANCEL
1 2 3
5
4 6
7 8 9
10 0 +10
ANGLE SUB TITLE AUDIO ZOOM
TOP MENU MENU
CHOICE key
CHOICE ENTER
(switch of mode)
SLOW VFP ON SCREEN
PREVIOUS SELECT NEXT
CLEAR
SECTION 4

ADJUSTMENT

0 ------------------------------
_ ----------------------
FL Display becames all lighting
CK --------------------------------
EP -------------------------------
FL Display (Example)
19_16
System controller
POWER key
FL Display
Becames test mode
Version of firmware
Check mode
Not used
Back end
STOP key
(for test mode)
PAUSE key
(for initialize)
PLAY key
(for test mode)
(No.XA014)1-17