Tektronix 475A - Options

Your instrument may contain the following options:
"E 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.
OPTIONS
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
69