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ITEM
DESCRIPTIO N
18. 90/150 Hz VAR PHASE ( φ ) Switch
Var ies the phase ( φ ) of the 150 Hz
tone
r elative
Nor mally, the 90 and 150 Hz tones,
used in G lide Slope and Localizer
simulations,
ar e
together .
Adjusting the VO R BRG
SELECT Switches while pr essing the
90/150 Hz VAR PHASE ( φ ) Switch,
changes phase r elationship.
VO R BRG SELECT Switches ar e set
to 000.0, pr essing the 90/150 Hz VAR
( φ )
PHASE
change
in
phase.
selected on the VO R BRG SELECT
Switches shifts the 150 Hz tone 5 °
r elative to the 90 Hz tone.
90 Hz tone always r emains constant in
phase r elative to the 000.0 set on the
VO R BRG SELECT Switches.
Setting
the
Switches to 024.0 ( 24 ° VO R bear ing)
with the 90/150 Hz VAR PHASE ( φ )
Switch
pr essed
150
Hz
tones
r elationship.
SELECT Switches to 012.0 ( 12 ° VO R
bear ing)
with
PHASE ( φ ) Switch pr essed, places the
amplitude summation of the 90 and
150 Hz tones at maximum magnitude.
19. G /S CENTER Adjust
Var ies the amplitude of the 90 Hz tone
and contr ols exact cour se center ing
for G lide Slope modulation.
20. G /S VAR DDM Contr ol
Continuously
deflection
fr om
( ccw)
0.8
DDM
0 DDM to clockwise ( cw) 0.8 DDM
( up) . Setting the G /S DDM Contr ol to
↓ activates the G /S VAR DDM Contr ol.
to
the
90
Hz
tone.
locked
in
phase
If the
Switch
pr oduces
1 °
Each
step
The
VO R
BRG
SELECT
puts
the
90
and
in
or iginal
phase
Setting the VO R BRG
the
90/150
Hz
VAR
var ies
G /S
pointer
counter clockwise
( down)
thr ough
O P E R AT I O N M A N U A L
I FF - 7 0 1 T i
ITEM
21. TO NE SELECT Switch
Selects
inter nal Signal G ener ator or input to
the inter nal digital Counter :
G CTR IN connects the MO D IN/EXT
FREQ CTR IN Connector input to
the Counter , active with CO UNTER
MO DE Switch set to HZ, KHZ, KHZ
or MHZ.
G MO D IN applies the MO D IN/EXT
FREQ CTR IN Connector
no
modulation to the Signal
G ener ator .
G 1020 applies 1020 Hz modulation
to the fr equency band ( except G /S)
set by FREQ UENCY MODE Switch.
G 400 applies 400 Hz modulation to
the fr equency band ( except G /S)
set by FREQ UENCY MODE Switch.
G 1300 applies 1300 Hz modulation
to the fr equency band ( except G /S)
set by FREQ UENCY MODE Switch.
G 3000 applies 3000 Hz modulation
to the fr equency band ( except G /S)
set by FREQ UENCY MODE Switch.
22. MO D IN/EXT FREQ CTR IN Connector
Pr ovides
modulation
G ener ator or a 1 to 300 MHz signal to
the
inter nal
selected
Switch.
23. LOC CENTER Adjust
Var ies the amplitude of the 90 Hz tone
and contr ols exact cour se center ing
for Localizer modulation.
DESCRIPTIO N
modulation
input
an
input
for
to
the
inter nal
digital
Counter
by
the
TO NE
SELECT
to
the
exter nal
Signal
as
1- 2- 2
Page 8
Jul 1/00
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