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I
(23) ,
(24) ,
(
25
) ,
(
26
)
setting keys
Eight keys each
containing an LED.
Their names and use depend on
the mode as follows.
Table
4-2
Functions of
setting keys
i .
,27
|
i IX
o
01
; o
1
1
.
: ro
*
m
Mode
0
-o
o
s
IT3
s
n
o
2
CD
U
o
a
+j
0
CO
0
)
u
Keys to be used
(Conditions)
(
23
)
1
1
1
□ □
(Not lit.)
□ 0 0T
(Not lit.)
(25)
FREQ RANGE
(Not lit.)
AS
▼0
(Not lit.)
^23
J
(One LED lights.)
(li)
AJg cczj°[zi
'It t]304[3
26)
(One LED lights.)
Name
FREQ/AMPTD
up keys
FREQ/AMPTD
down keys
FREQ range
up key
FREQ range
down key
Letter
keys
A,B,C,D
Numeral
keys
1
/
2
,
3,4
Use according
to the mode
FREQ key
lights.
Increment the digits
above them and
carries up to the
more
significant
digit.
Decrements the digits
above them and
borrows down from the
more
significant
digit.
Shifts the
frequency
range upward.
Shifts the
frequency
range downward.
RCL key lights.
AMPTD key
A
lights
7
Same as
left.
Same as
left.
Invalid
STO
(WRITE)
key lights.
The preset memory register
address is determined by combi¬
nations of
two lit keys.
(A-l to D-4).
MODIFY digit
select switch
2-position slide
switch to select the digit to be
incremented.
The least significant digit or the next digit can be selected.
MODIFY control
Rotary encoder with 50 detents per revolution.
The
control
increments or decrements the displayed frequency or amplitude at
the digit select switch
(
27
).
The control
is particularly •
useful for modifying preset values after they are recalled in the
preset mode.
4-6
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