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MW USE OF AN
EXTERNAL
POWER
SUPPLY
Connect the external supply as shown in the figure below.
.-»€onnection to 24 V system is not possible as supplied. An external DC to DC con-
-verter is necessary."
PS-21
Regulated power supply
Disconnect the shorting plug
(+) Black/White stripe
Note:
!f a supply other than the PS-21 is used, select a regulated supply that sup-
plies 13.8 voits at 1 amp.
Battery chargers are unsuitable
as a power
source since they have an unfiltered output.
When installing the TR-50 in an auto, connect the power cord directly to
the car battery.
;
@ EXTERNAL ANTENNAS
Coaxial cable
BNC connector
13
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