Denon DR-F7 - FTS Function Outline; FTS Microprocessor Functions

1. FTS Function Outline
The outline of the FTS system, from start to finish will be (2) Detection of the tape magnetic coating
explained in order of operations.
(1) FTS start (0 sec.)
When the FTS START button is pressed, the START/
FTS lamp will flash and the operation begins.
(2)
Detection
of
the
tape
magnetic
coating
(0-10
sec.)
2)
The
sensitivity
comparison
signal,
which
becomes
If
the
magnetic
coating
on
the
tape
is
detected
within
L
when
the
magnetic
coating
is
detected,
is
con-
10
seconds
after
the
FTS
START
button
is
pressed,
the
firmed*
at
the
sensitivity
comparison
terminal
operation
moves
to
the
next
item.
However,
when
the
40.
magnetic
coating
is
not
detected
within
10
sec.
the
(3)
Stand-by
run
FTS
operation
is
stopped;
the
preset
standard
bias/
The
tape
is
run
for
approximately
1
second
with
the
recording
sensitivity
is
set
and
the
PRESET
lamp
is
lit.
sensitivity
data
output
set
at
BH
(
36
—
38
:
H,
39
:
(3)
Stand-by
run
(approx.
1
sec.)
L),
and
the
bias
data
output
at
8H
(
32
—
34
:
ہا󰾯
35
:
After
detecting
the
magnetic
coating,
the
tape
is
run
H).
for
approximately
1
sec.
before
going
to
the
next
(4).
Firstensievity
adjustment
aprenan
x
1)
The
bias
data
output
is
set
to
ΒΗ
(32
—
34
:
L,
(4)
First
sensitivity
adjustment
(approx.
1
sec.)
35
:H)
ا󰾯
MOBS
AL
ae
el
n
o
2)
The
sensitivity
comparison
data
is
taken
in
from
the
FTS
oscillator
is
recorded
and
played
back.
The
αν
κών
κανα
sensitivity
D/A
is
adjusted
so
that
the
normal
output
a
ا
سو
سا󰾯
level
of
--20
dB
is
obtained.
NER
πα
J
E
(5)
Bias
adjustment
(approx.
1
sec.)
EN
š
سی󰾯
h
A
reference
signal
of
12
KHz
—
38
dB,
generated
from
»
EE
thee
ΜΟΙ
the
Ε
llator
i
d
pl
.
Th
i
e
FTS.
ات󰾯
O
sinu
2)
The
bais
comparison
data
is
taken
in
from
the
bias
sensitivity
D/A
is
adjusted
so
that
the
normal output
comparison
terminal:
AlWehdithe:biasadihstiment
level
of
--20
dB
is
obtained.
ne
ý
4
(6)
Second
sensitivity
adjustment
(approx.
1
sec.)
7
σας
ΝΟ
EN
The
same
operation
as
the
first
sensitivity.adjustment
is
ea
Ob
o
EEE
a
an
tained
in
item
(5).
ان󰾯
7
1
2)
The
sensitivity
comparison
data
is
taken
in
from
The
tape
is
rewound
pl
لام
ای󰾯
a
the
sensitivity
comparison
terminal
40
,
and
the
mechanism
is
stopped
and
the
START/FTS
lamp
is
اح
یس
ام󰾯
formed
σα
lit,
completing
the
FTS
operations.
(7)
ETS
finish
>
:
å
z
1)
The
mechanism
is
set
to
the
RWD
mode
by
the
2:
The
Main
Eunctionsop
IETS
Microprocessor
active
L
control
pulse
signal
which
comes
out
from
The
main
functions
of
the
microprocessor
for
each
item
the
RWD
output
terminal
9
listed
above
will
be
explained.
Also
refer
to
the
Micro-
2).
The
RWD'
check
terminal
“28.
(Hjo
iras
the
processor
Terminal
Function
Chart.
E
DSBE
(1)
FTS
start
:
—
y
3)
After
the
tape
has
been
rewound
for
the
number
E
en
en
n
Ca
START
button
being
pressed,
the
FTS
oscillator
MOUSE
lath
their
fuera
est
before
is
operated
by
the
H
signal
which
comes
out
from
RWD,
the
mechanism
is
set
to
the
STOP
mode
by
h
Audi
i
10
.
Af
i
z
e
FAS
ως
ne
the
active
L
control
pulse
signal
which
comes
out
START/FTS
lamp
is
flashed
by
the
pulse
signal
Bor
the
STOR
A
πε
ατα
hich
ut
fi
the
ΕΤ.
ti
:
n
i
E
EEL
ا󰾯
E
4)
After
the
internal
oscillator
is
stopped
by
the
L
کے󰾯
signal
which
comes
out
from
the
FTS/Audi
2)
The
mechanism
is
set
to
the
REC/PLAY
mode
by
η
nn
ne
ae
les,
5s
vhe-
active
L
control
as
signal)
wdiich
ones
ose
lit
from
flashing
by
the
H
signal
which
comes
out
from
the
REC
output
terminal
6
and
the
PLAY
می
سا󰾯
E
ie
PUN
from
the
FTS
lamp
output
terminal
12
,
and
the
3)
The
REC
check
terminal
26
(L)
and
the
PLAY
فا󰾯
a
ا󰾯
completed:
check
terminal
27
(H)
confirms
the
mechanism
&Gonfirm
in the REC/PLAY mode, and this operation is
finished. If the FTS START button is pressed
within 5 seconds of turning on the power supply,
the FTS will not operate.
102
1)
The
sensitivity
data
output
is
set
to
FH
(36
—
39
:
L)
and
the
bias
data
output
to
FH
(32
—
35
:
H),
setting
them
to
the
maximum
recording
level.
The confirmation time is a maximum of approximately
10 seconds. If the designated mode cannot be confirmed
within this time, the preset data output is made and the
operation is completed.