JVC TH-S5 Service Manual page 28

4.8 Compulsive NTSC mode
(1) Unplug the power plug.
(2) Insert power plug into outlet while pressing both "PAUSE" key and "STANDBY/ON" key of the main body.
(3) The compulsive NTSC mode is set up.
NOTE:
In E version, Y/C mode is set up.
(4) Unless the mode is canceled, regardless of input of "NTSEL" switch, it starts only at the time of the first power-on.
(5) When power-off is carried out, the mode is canceled.
4.9 Locking disc tray
(1) Unplug the power plug.
(2) Insert power plug into outlet while pressing both "STOP" key and "OPEN/CLOSE" key of the main body.
(3) Then, the FL display of main body is displayed "LOCKED" and the disc tray is locked.
(4) For unlock the tray, press both "STOP" key and "OPEN/CLOSE" key.
(5) Then, the FL display of main body is displayed "UNLOCKED" and the tray is unlocked.
NOTE:
Unless unlocking disc tray, it does not process to input "OPEN/CLOSE" key.
4.10 Switching tuner AM step (U version only)
• Switching 9kHz
(1) Press both "STOP" key and "PLAY" key of the main body.
• Switching 10kHz
(1) Press both "STOP" key and "PAUSE" key of main body.
NOTE:
Switching tuner AM step is effective only when source is AM.
MENU key
(switch of mode)
1-28 (No.MB180)
STOP key
(for locking disc tray)
STANDBY/ON key
FL display PLAY key
(for switching
tuner AM step)
PAUSE key
(for compulsive NTSC mode
and switching tuner AM step)
OPEN/CLOSE key
(for locking disc tray)