CLARIFIER ALIGNMENT
1 . Tune in the marker generator signal on any
band , and peak the preselector on the m arker
sign al.
2 .
With the CLARIF IE R control OFF, make
sure that the CLARIFIER knob is exactly at
the 1 2 o ' clock position . Note the tone of the
marker signal .
3 .
Switch the RX CLARIF IER to ON, and
observe the tone of the m arker sign al . If it is
different from when the clarifier was turned
off, adj ust V R 1 80 1 for an identical tone with
the CLARIF IER knob exactly on the zero
mark.
COUNTER UNIT
The carrier p oints for USB , LSB, and CW are preset
as follows : USB
=
9 1 . 0 1 1 . 0 ; LSB
=
9 1 . 0 1 4 . 0 ; CW
=
9 1 .0 1 1 . 7 . If, for some reason , it is desired to set
these frequencies elsewhere , refer to the "Fre
quency Counter Preset Swit ch Position" drawing
and chart . Adjustment of ± 200 Hz is possible as
shown . The adjustment is carried out on the
miniature swit ch shown in the d rawing.
r-----CW � tUSB
ON OFF
--�
LSB 91.014.0
US
S 91. 01 1 . 0
c w 91.01 1 . 7
FRONT
PANEL
0
FREQUENCY
COUNTER PRESET SWITCH POSITION
+
200Hz
+
I OOHz
±0
- I OOHz
-200Hz
- 4 1 -
CLARIFIER
CONTROL UNIT
(PB- 1 973)
L S B
U S B
DDDDDDDD
DDDDDD�•
DD•�···�
�•DDDDDD
9 1 . 0 1 4 . 2
9 1 . 0 1 ! . 2
DDDDDDDD
DDDDDD��
D D�•···�
.... DDDDDD
9 1 . 01 4 . 1
9 1 . 0 t l .
I
DDDDDDDD
DDDDDD�-.
DD._ ...... �
••DDDDDD
9 1 . 0 1 4 . 0
9 1 . 0 1 ! . 0
DDDDDDDD
DDDDDD•�
DD�--���-
-�D D D D D D
9 1 . 0 1 3_9
9 1 . 0 ! 0 . 9
D D D
D
D
DDD
D D D D D D ._ ._
DD-.•���•
-- � D D D D D D
9 1 . 0 1 3 . 8
9 1 . 0 1 0 . 8
cw
�--��•DD
DDDDDDDD
9 1 . O i l . 9
···��•DD
DDDDDDDD
9 1 . 0 1 1 . 8
���--�•DD
DDDDDDDD
9 1 . 0 ! 1 . 7
-��-�•DD
DDDDDDDD
9 1 . 0 1 1 . 6
�-�·�•DD
DDDDDDDD
9 1 . 0 1 ! . 5
