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tion to the 1/4-wave vertical antenna supplied with the
W20R (or the optional WA250 5/8-wave antenna, which
provides up to 3 dB additional RF gain). If the receiver is
to be mounted in a shielded rack mount enclosure or
other area which may interfere with RF wave reception,
the 7.6m (25 ft) coaxial cable (WA280) permits remote
antenna placement, and the WA250 can be attached to a
microphone stand or wall mounted using the optional
bracket (WA260). (NOTE: Remote placement of the
1/4-wave antenna using the WA280 coaxial cable re-
quires a female-to-female PL258-type UHF adapter.)
MICROPHONE OUTPUT LEVEL Rotary Control: This
control determines the signal level at the OUTPUT Con-
nector. Using this control, the signal level can be match-
ed to that of a conventional wired microphone.
POWER 13.5 VDC NEGATIVE GROUND Coaxial
Jack: This connector accepts power from the supplied
power converter, or from any well-filtered 13.5 Vdc (200
mA) supply.
MIC OUTPUT 3-Pin XLR Connector: Provides balanced,
low-impedance output for connection to the audio mixer
or amplifier.
INTERNAL
For access to the internal power fuse, remove four
screws at the sides, and two at the top front and rear.
FUSE 1/2A: This is a 0.5 ampere, 250-volt, 3AG-type,
fast-blow fuse that protects the power supply from ex-
cessive current. It should be replaced only with a fuse of
identical size and value (Littelfuse 312.500 or
equivalent).
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