PS Magazine - FEBRUARY 1980
PS, The Preventative Maintenance Monthly
ISSUE 327
FEBRUARY 1980
-±²³
´µ
¶·¸¹º
group's Remote set staRted sounding
lke a motoRbOat afteR each tRansMis-
sion. The putt±putt sound Lasted
2-3
minutes²
·
³ight away ou´ opeRatoRs bLamed it
oN a bad LocaL contRo/µse¶¸ ¹ot so¸
Usuaºy» just
tu¼ing down tHe
voLume on the Remote unit
:
untI½ the
¾
sound stops is enOugh²
I
nOt, we cLean
aº contacts with a ¿penciL eRaSeRÀ
This "quick fixÁ keeps ouR sets on
Âhe job and out Ãf the Shop¸
ÄÄG Gary Cathcart
FT Ård» CA
(Ed Note: Good work, Sarge. Here are
some other things which could cause
"motorboating.±
²
EyebaL the radio cable on the local
unit³ It should go to the receiver-
tran´mitter's SPKR connectorµ ¶f you
connect it to the retransmit R/W
connector you overload
·
the keying
re¸Y. It ca¹ºes too much juice for the
control group»
Weak batte¼es could be the cause.
They½re only good¾or aboUt
7±
hoursµ
Clean
contacTs
and
-
check
baTTeries
here
Final¿, be sure the field wire
between the units is in good shapeÀ
Breaks create problems.)
L-±²³´µ¶·
.
:
.²³
. »•
¼½
Coverup'
s a dirty word .
. .' specially if
r
You're
taLking about canVaS and radio
¾
sets.
´=
±OveRs
going
out of
system
Once upon
·
a time, the top shop
wanted you to protect your RT -246,
±524,-505,-841 and R-422's with CW-
653 and -649 canVas coVers.
No more. ²eems the heaVy coVers
were creating a bad oVerheati³g
probLem. No air got through.
¿
²o, don't worry about 'em´ They're
being dropped From the suppLy
system, anyway.
AN/PRC¸7 loudspeakE
r
µor a fixed grou¶d or VehicLe
instaLLation,
use
an
¸²-4¹4
Loudspeaker. It's N²N 596¹º00-876-
oU»
AN/PRC-77
»aDi¼ sE½¾s ¿²-
2375.
¹ÀÁ louDspeake» Has ÂADeD oU½Ã
permanE³½Äy. Åha½'s tHE ƼrD i¶ Pa»a
6-Ç of Èha¶GE
7
½¼
T
11±5820²667 ±12
(u³
6³).
AN
/
P²±³77's
speaker
Is oUT
µor siLent moni½oring,
Hµ
251 headset.
00-043-3460.
ÅHE hEaDs
h
ED
¼ÂÂErs
2
rePlacEme¶½s. ÅHE ¼¶E yoU PÉÊK
dePe³ds o¶ you» ¶EeD.
¹º».¼½
55
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