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q Power Operation Switch (POWER)
Press once to turn the power on, and once more
to turn the power off.
The deck remains in a stand-by (non-operative)
mode for approximately 2 seconds after it is
switched on.
w Master/Slave Switch
For normal operation, set this to “OFF”.
Set the switch to “MASTER” or “SLAVE” when
using the DN-780R together with other DN-
780Rs.
e Dolby NR Switch (DOLBY NR)
Select the Dolby NR type that suits the
recording.
OFF : Recording without Dolby NR
B : Recording with Dolby NR type B
(The “ ” indicator will light up.)
C : Recording with Dolby NR type C
(The “ ” indicator will light up.)
r Dubbing Speed Buttons
(DUBBING SPEED)
Pressing the NORMAL button starts regular
speed dubbing from deck A to deck B. Press the
HIGH button to perform dubbing at double
speed. See page 11.
t Tape Speed Control (TAPE SPEED)
Use this knob to vary the tape speed. The speed
can be varied within a range of approximately
±12% according to the position of the tape
speed control knob.
y Input Level Control (INPUT LEVEL)
This knob adjusts the recording input level. It
affects the level in both channels. See page 9.
u Headphone Level Control
Use this to adjust the output level of the
headphones.
i Headphone Select Switch
(PHONES SELECT)
Use this to select the headphone’s output signal.
A : The Deck A’s signals are output to the
headphones.
MIX : The MIX signals of Deck A and Deck B are
output to the headphones.
B : The Deck B’s signals are output to the
headphones.
5
ENGLISH
Thank you very much for purchasing the DENON
component stereo cassette tape deck.
DENON proudly presents this advanced tape deck to
audiophiles and music lovers as a further proof of
DENON’s non-compromising pursuit of the ultimate in
sound quality. The high quality performance and easy
operation are certain to provide you with many hours
of outstanding listening pleasure.
— TABLE OF CONTENTS —
FEATURES………………………………………………5
NAMES AND FUNCTIONS OF PARTS …………5 ~ 7
CASSETTE TAPES………………………………………8
AUTOMATIC TAPE SELECTION………………………8
PLAYBACK……………………………………………8, 9
RELAY PLAY ………………………………………8
TWIN OUTPUT ……………………………………8
MUSIC SEARCH SYSTEM ………………………8
POWER ON PLAYBACK …………………………9
RECORDING ………………………………………9, 10
PROPER RECORDING LEVEL……………………9
REC/REC MUTE AND REC PAUSE BUTTON …9
AUTO-STANDBY …………………………………10
TWIN RECORDING ………………………………10
RELAY RECORDING ……………………………10
SYNCHRONIZED OPERATION …………………10
DUBBING………………………………………………11
MANUAL DUBBING ……………………………11
MEMORY STOP………………………………………11
PRESET FUNCTION …………………………………11
DOLBY B AND C NOISE REDUCTION SYSTEM …12
DOLBY HX-PRO HEADROOM
EXTENSION SYSTEM ………………………………12
MAINTENANCE ………………………………………12
TROUBLESHOOTING ………………………………13
SPECIFICATIONS ……………………………………13
Please check to make sure the following items are
included with the main unit in the carton:
(1) Operating Instructions…………………………1
(2) Operating Instructions (Applications) ………1
(3) Connection Cords………………………………4
(4) Service Station List ……………………………1
FEATURES
2 19-inch Rack Mountable
2 Independent Input/Output
2 Dolby B & C Noise Reduction Systems
(A/B Independent)
2 Dolby HX-Pro Headroom Extension System
2 Twin Recording and Relay Recording
2 Relay Playback
2 TS MIC Jacks on Front Panel
2 Cascade Recording and Playback
2 Synchronized Recording
2 RS232C Serial Control Port
2 Parallel Remote Control
2 2-Speed Dubbing
2 Quick Auto Reverse
2 Speed Control of Approximately ±12%
(A/B Independent)
2 Computer Controlled Mechanism
2 Computing Tape Counter with 4-Digit Readout and
Memory Stop
2 Music Search System
2 FL Peak Level Meters
2 Auto Tape Selector
2 Memory Back-up
2 Auto-standby
2 XLR Input/Output Kit (Option)
(Model Name :ACD-780)
NAMES AND FUNCTIONS OF PARTS
o Headphone Jack (PHONES)
For private music enjoyment without disturbing
others, or for monitoring a recording, a
headphone set may be connected to this jack.
Use a headphone with an impedance rating of 8
to 1200 Ω/ohms. Signal are output according to
the position of the PHONES SELECT switch i.
!0 Auto Gain Control Switch of Mic
(MIC AGC)
Selects the microphone level adjustment
method.
OFF : The level is adjusted with the MIC LEVEL
control !3.
ON : The level is adjusted automatically according
to the level of the microphone input signal.
!1 Microphone Jacks (MIC)
Connect the microphone to this jack for
microphone mixed recording.
MIC signals will be mixed with the line input
signals.
Accepts an unbalanced (TS Type) microphone
with 1/4” mono jacks.
When a microphone is only connected to the
L/MONO jack, the recording will be monaural.
Connect to both the L and R jacks for stereo
recording.
NOTE :
To prevent noise, set the MIC MODE switch !2
to “off” when connecting microphones to the
MIC jacks.
!2 Microphone Mode Switch (MIC MODE)
OFF : Turns the microphone input off.
LINE : When in the tape play, record or
recording pause mode, the sound input
to the microphone is output from the
LINE OUT jack. The sound input to the
microphone is not recorded.
REC : Microphone mixed recording is performed.
!3 Microphone Input Level Control
(MIC LEVEL)
Adjust the level of the Microphone inputs.