Sony MZ-R91 service manual Key Check Mode

Models: MZ-R91

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[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)

2.Press the [T MARK] or [DISPLAY] key on the remote com- 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

Indication

N

PLAY

 

 

>

FF

.

FR

X

PAUSE

 

 

VOL +

VOL +

VOL –

VOL –

 

 

x

STOP

REC

REC

END SEARCH

END S

 

 

Jog (up)

JOG+

Jog (down)

JOG–

 

 

Jog (push)

PUSH

T MARK

T MARK

 

 

HOLD (hold)

HLDon

 

 

HOLD (off)

HLDoff

SYNCHRO REC (on)

SYCon

 

 

SYNCHRO REC (off)

SYCoff

Remote commander key

Key

Indication

 

 

N/>

rPLAY

.

rFR

 

 

X

rPAUSE

VOL +

rVOL +

VOL –

rVOL –

 

 

x

rSTOP

PLAYMODE

rPMODE

 

 

DISPLAY

rDISP

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.

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Sony MZ-R91 service manual Key Check Mode