For maximum cooling on the ground, turn the bleed air valve
switches to ENVIRO OFF position.
Verify airflow is present from aft cockpit eyeball outlets to
insure sufficient cooling for mission equipment.
Do not operate the weather radar system in a confined space
where the nearest metal is 50 feet or less from the antenna
reflector. scanning such surfaces within 50 feet of the
antenna reflector may damage receiver crystals.
Do not operate the weather radar or data link systems in an
area where the nearest effective surface is 50 feet or less from
the antenna reflector may damage receiver crystals.
2. Avionics - As required.
3. Mission panel - Set and check as required.
*4. Electric elevator trim and autopilot/flight
director operation -Check as follows: