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OPERATION
1.
C
0
N T R
0
L S A ND I N D I C A
T
0
R S.
All controls and indicators required for
the operation of the Type SSB-1 are avail
able at the front panels of the equipment.
These controls and indicators are ill us
trated in figure 10 and are listed, with
their functions, in table 1. Study this in
formation before operating the equipment.
2.
S I M P L E
X
R A D I
0
T E L E -
P H
0
N E
0
P E R A T I
0
N.
Operation of a simplex radio telephone
station using an SSB -1 with up to three
remote desk sets such as shown in figure
11 is as follows:
a.
- (1)
POWER switch
(D
on.
(2)
Turn RECEIVER switch
@
on.
(3) Turn TRANSMITTER switch
©
on.
The three associated pilot lamps should be
on .
(4)
Turn CARRIER switch
@
to OUT.
TO
ANTENNA
SS8-I
TELEGRAPH
KEY
RECEIVER
TO POWER SOURCE
LOCAL
R E
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ILREMOT!
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18-381
Figure JJ. Simplex Radio Telephone Station
2
3
(5)
Set CHANNEL selector©to desired
channel.
(6)
Turn TELEGRAPH-PHONE switch
®to PHONE position.
(7)
Set LOCAL-REMOTE selector @
to LOCAL position.
(8)
Set SPEAKER-HANDSET switch
®
to HANDSET position.
(9)
Lift the handset from its holder.
(10) Adjust RECEIVER GAIN control
@
for low-level background noise.
(11) Press the push -to -talk switch on
the handset and call the distant station.
While speaking into the microphone, adjust
the TRANSMITTER GAIN control@to obtain
intermittent flashing of the PEAK MODU
LATION INDICATOR lamp. To obtain the
most effective modulation, the adjustment
should be such that the PEAK MODULATION
INDICATOR lamp flashes once or twice on
every word spoken at normal voice levels.
While receiving the distant station, adjust
the SPEECH CLARIFIER control
@
for most
natural sounding voice .
�·
Operation at
Site.
(1) Perform the preliminary steps of
subparagraph a above.
(2)
The equipment is now ready for full
operation. When transmitting press the push
to-talk switch on the handset and speak into
the microphone.
To listen, release the
switch.
(3) To monitor the circuit turn switch
®
to SPEAKER. Any incoming signal will
then be heard on the speaker.
(4)
If it is anticipated that no local
transmission will take place for some time,
the TRANSMITTER switch may be turned
off! When the transmitter is re-energized
a warm-up period of 30 seconds is re
quired.
�·
from Remote Site.
( 1) Operator at equipment site must
perform the preliminary steps of subpara
graph a. above.
(2)
On the power
chassis, turn
LOCAL-REMOTE
to the number of
the extension to be used.
(3) The lamp on the extension desk set
will light indicating at remote location that
Summary of Contents for SSB-1
Page 1: ...t z LA I E a I I Cl LA I I z z C cc t LA I cc c en U z I LA I 0 IE en CD IE z Cl C U c ...
Page 4: ... ...
Page 32: ... a c CD c a 00 CD n 0 1 CD 1 CD a ...
Page 42: ...z 0 1 3 t r l r n ...
Page 44: ...R i5 Rl23 Cl22 T R114 c Figure 17 Power Supply Bottom View 40 116 rs as6 I J I I I I ...
Page 45: ... f f c t f c f f f t f f c c c t c f c f f f Figure 18 Speech Clipper Internal View 41 ...
Page 46: ...5 5 01 FRONT SOTTOM COVER OPEN 18 1 8 Figure 19 Remote Desk Set 42 I I I I I I J ...
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