Tektronix 47E5A - Options

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OPTIONS
Your instrument may contain the following options :
OPTION 1
Deletes the temperature probe from the DM 44 .
OPTION 4
The instrument is modified to meet certain
specifications on radiated interference requirements .
There is
no change in operating instructions.
OPTION 7
At the time of this writing, instruments having the DM44
do not have the Option 7 available.
Option 7 permits operation on 12 or 24 Vdc with no
performance deterioration . Circuitry is provided to protect
against damage due to connection of 24 V when in the
12 V mode of operation . The 24-volt external input permits
use
with conventional dc power (marine and aircraft).
@
475A/DM44 Operators
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