JVC UX-QD70S Service Manual page 49

(5) Check mode
FL display
TEST JC#
Press the [MENU] key
on the main unit
FL display
Press the [5] key
on the main unit
FL display
Press the [6] key
on the main unit
FL display
Press the [9] key
on the main unit
FL display
Press the [10] key
on the main unit
FL display
Cancel of the check mode
Press the [POWER] key on the main unit.
CHECK
Upper side Lighting of DVD LD
4 digit: Laser current display
Lower side Measurement value
4 digit: display of the jitter value
Lower side Measurement value display of
4 digit: the temperature (AD value)
Lower side DVD DL (parallel and opposite)
4 digit: Measurement value display of the jitter value
and the serge on predetermined position
(No.MB496)1-49