Key Check Mode; Outline Of The Function; Setting The Key Check Mode - Sony MZ-E90 Service Manual

4-7. KEY CHECK MODE

4-7-1. Outline of the function

This mode is used to check to make sure that each of the keys
(including the slide switch) on the set operates normally.

4-7-2. Setting the Key Check mode

1. Set the TEST MODE. Press and hold down DISPLAY key (for
more than 3 sec) to set the Key Check mode.
LCD display
000
2. When each key on the set and on remote control is pressed, its
name is displayed on the LCD. (The operated position is dis-
played for 4 sec after the slide switch is operated. If any other
key is pressed during this display, the LCD switches to its name
display.)
Example: When > N key on the set is pressed:
LCD display
000 PLAY
Example: When > N key on the remote control is pressed:
LCD display
000 rPLAY XX
XX: AD value of the remote control key (hexadecimal 00 to FF)
3. When all the keys on the set and on the remote control are con-
sidered as OK, the following displays are shown for 2 sec.
(The key pressed to enter the Key Check mode has been checked
even if it is not pressed in this mode.)
Example: When the keys on the set are considered as OK:
LCD display
000 PLAY
Example: When the keys on the remote control are considered
as OK:
LCD display
000 rPLAY
4. When all the key have been checked or when the top panel is
opened during this checking, the system terminates the Key
Check mode and return to the TEST MODE.
0F
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