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English – Denon DN-M991R User Manual

Page 9

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9

ENGLISH

!6

RS232C/RS422A selector switch

• Use this to switch the serial remote connector signal between

RS232C and RS422A according to the external controller’s
signal.

!7

RS232C/RS422A connector

• This is a serial remote connector. A personal computer or

other external controller can be connected to control the DN-
M991R externally.

• Applicable connector: 9-pin D-sub (female)
• Baud rate: 9600 bps or 19200 bps
• Pin layout:

@2

IN LEVEL L/R controls

• Use these controls to adjust the level of the audio signals from

the ANALOG IN connectors.

@3

OUT LEVEL L/R controls

• Use these controls to adjust the level of the audio signals from

the ANALOG OUT connectors.

@4

DIGITAL OUT (AES/EBU) connector

• This is an active balanced output using an XLR type connector.
• Connect this connector to the balanced digital input connector

on an amplifier or console.

• Signal format: AES/EBU or SPDIF.
• Pin layout:

1. Common
2. Cold
3. Hot

• Applicable connector: Cannon XLR-3-31 or equivalent.
• This unit uses a balanced digital output. A conversion circuit is

necessary for connection to an unbalanced circuit.
Example of balanced/unbalanced conversion circuit.

CUE WRITE (REC, Edit mode)

• Press this button during the standby, pause, play, or manual

search. When the edit mode and recording mode to record a
cue signal.

!5

EJECT button

• Press this button to eject the cartridge.
• The cartridge cannot be ejected during recording or while the

UTOC is being written.

+5V

GND

OUT

75

33

µ

16V

+

+

3

3

4

8

6

5

4

7

14

11

9

3

1

74HCU04

( 1 / 6 )

74HCU04 ( 4 / 6 )

SN75157

( 1 / 2 )

110

1SS270

+5V

+5V

100

µ

16V

100

µ

16V

+

+5V

H

C

GND

( )

3

( )

2

( )

1

IN

100P

5 : 1

13

Pin No.

1

6

2

7

3

8

4

9

5

Signal name

NC

NC

T x D

NC

R x D

NC

NC

NC

S.GROUND

I/O

O

I

I/O

O

O

I

I

Signal name

NC

S.GROUND

T x D (RETURN)

T x D

R x D

R x D (RETURN)

NC

NC

NC

RS422A

(2) Rear Panel

RS232C

!8

TERMINATOR switch

• When set to the “ON” side, the serial remote connector’s pins

are terminated internally.

!9

KEYBOARD connector

• To use a keyboard, connect it to this connector.
• The connector is a mini DIN type 6-pin connector.

@0

ANALOG IN connectors

• These are active balanced inputs using XLR type connectors.
• Connect these connectors to the balanced analog output

connectors on an amplifier or console.

• Pin layout:

1. Common
2. Hot
3. Cold

• Applicable connector: Cannon XLR-3-32 or equivalent.

@1

ANALOG OUT connectors

• These are active balanced outputs using XLR type connectors.
• Connect these connectors to the balanced analog input

connectors on an amplifier or console.

• Pin layout:

1. Common
2. Hot
3. Cold

• Applicable connector: Cannon XLR-3-31 or equivalent.
NOTE: Do not short-circuit the hot or cold pin with the common

pin.

TO
DN-991R
DIGITAL
OUT

@5

MONITOR jack

• Connect headphones with an impedance of 30 to 40

/ohms.

@6

DIGITAL IN (AES/EBU) connector

• This is an active balanced input using an XLR type connector.
• Connect this connector to the balanced digital output

connector on an amplifier or console.

• Signal format: AES/EBU or IEC958 Type I
• Pin layout:

1. Common
2. Cold
3. Hot

• Applicable connector: Cannon XLR-3-32 or equivalent.
• This unit uses a balanced digital input. A conversion circuit is

necessary for connection to an unbalanced circuit.
Example of unbalanced/balanced conversion circuit.

TO
DN-991R
DIGITAL
IN

WARNING:
Turn PITCH control OFF when making digital recording.
Most digital recorders will not accept a variable pitched
digital signal.

@7

POWER switch

• This turns the set on and off.

@8

AC inlet

• Connect the included power cord here.