MIL- F-81526 B(AS)
3. 2.4.1 Temperature "Limits - The Film-Tape shall operate satisfactorily
between the following ambient temperature limits to a maximum altitude of
-54 to 7i°C (-65. 2 to 160° F).
50, 000 feet:
The Film -Tapes shall withstand
storage temperatures between -62 to 85° C (-79. 6 to 185e F) without any
3. Z. 4.2 Relative Humidity Limits - The Film-Tapes shall operate
satisfactorily with a maximum RH of 95%
3.2.5 Proprietary Names and Drawings - Whenever a proprietary name or
drawing appears in this specification, it shall be understood to be a
requirement by way of description rather than one of limitation.
products and processes of other manufacturers may be used at the option
of the suppliers.
3.3.1 G e n e r a l - Unless otherwise specified, values establishing the
requirements for satisfactory performance apply under both standard
When reduced performance under
and extreme service conditions.
extreme conditions is acceptable, tolerances or values setting forth
acceptable variations are specified.
3. 3.2 Function - The BIT and FIM Film-Tapes determine which relays
in the MCS system, the BIT Programmer, and FIM respectively are to
be actuated for any particular test. The Film-Tapes also contain messages
The Film-Tapes, through
which the operator is to observe, when required.
a dot pattern, select which photosensitive transistors will be activated and
These relays in turn select the electrical
thus select the test circuit relays.
signals to be monitored.