Sony MZ-R91 Service Manual page 17

[Key Check Mode]
This set can check if the set and remote commander function nor-
mally.
• Setting Method of Key Check Mode
1. Setting the test mode. (See page 11)
[T MARK] [DISPLAY]
2. Press the or
mander for several seconds activates the key check mode where
all segments of LCD turn OFF. (At the last two digits of DOT
section, AD value of remote commander key line is displayed
in hexadecimal)
3. When each key is pressed, it is displayed on the LCD, imply-
ing that it was successfully checked as shown below. How-
ever, for the slide switch on the set, it is not checked unless it
is reciprocated.
* The key pressed to enter the key check mode was already
checked at that time.
Set key
Key
N
>
.
X
VOL +
VOL –
x
REC
END SEARCH
Jog (up)
Jog (down)
Jog (push)
T MARK
HOLD (hold)
HOLD (off)
SYNCHRO REC (on)
SYNCHRO REC (off)
Remote commander key
Key
N/>
.
X
VOL +
VOL –
x
PLAYMODE
DISPLAY
4. The test mode (display check mode) is automatically activated
when all keys on the set and remote commander were checked
(see above). Also, the test mode (display check mode) gets
back if opening the upper panel during a key check.
key on the remote com-
Indication
PLAY
FF
FR
PAUSE
VOL +
VOL –
STOP
REC
END S
JOG+
JOG–
PUSH
T MARK
HLDon
HLDoff
SYCon
SYCoff
Indication
rPLAY
rFR
rPAUSE
rVOL +
rVOL –
rSTOP
rPMODE
rDISP
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