MGL Avionics Stratomaster Ultra “L” Owner’s manual
Page 24
LESSON START/END MODE
This function allows instructors to either start and end lessons manually or automatically.
Engine revs e.g. either Hobbs or take-off revs as specified under lesson timer mode are still
taken into account. E.g. Should the lesson be started manually the lesson timer will only start
counting from such time at which the engine revs increases to above either hobbs or take-off
revs, depending on setup.
LESSON MANUAL OR AUTOMATIC START/STOP
A further mode of operation is possible by allowing the instrument to determine the start and
stop of a lesson.. Should you select the automatic mode in the mode setup menu, then the
instrument will start a lesson based on the Lesson timer mode automatically. The lesson will
end automatically about 15 minutes after the engine has been stopped or the last flight has
landed. You can of course stop the lesson yourself immediately by using the manual lesson
stop as described above.
The idea is that it would normally take at least 15 minutes for a new student to take over the
aircraft for another lesson.
After the last lesson of the day, end the lesson manually if required.
MASTER OR SLAVE
Your aircraft can be equipped with two Stratomaster Ultra instruments, which may be
interconnected using the Air-Talk link. In such a case it would be necessary to determine
which Stratomaster Ultra is the Master (Primary) instrument and which Stratomaster Ultra is
the Slave (Secondary) instrument. At such time, when the slave instrument is switched on, it
will obtain the QNH from the master instrument. This is the only difference between the
master and slave instruments. The slave instrument is a fully functional instrument in all
aspects. (Refer airtalk page51)
Please see installation manual for details on sensor connections for two instruments. Please
note here that it is not possible to reliably connect a fuel level sender to two instruments
simultaneously. You should setup at least one of the two instruments to calculate fuel
remaining from a fuel flow sender.
TAKE-OFF DISTANCE
The Stratomaster Ultra contains a semi-automatic take-off distance measuring mode. This is
the distance traveled through the air from the point at which a minimum speed of 16 mph (26
kph or 14 knots) is reached to the aircraft gaining 50 ft of altitude (15.24 m). The result is
shown in meters regardless of any mode setups. Pilots should familiarize themselves with the
term air distance.
Please note that take-off distance is dependant of many factors such as weight of the aircraft
and density altitude. The result of one take-off run is valid only for the exact take-off
configuration of the aircraft at that point in time.
This function is very useful to determine your aircraft’s take-off performance under varying
conditions. Please use this function with care and responsibility.
Never use the results of this function to determine whether you have enough runway
length in situations where you have a runway that is too short for safe aircraft
operations.
The steps for measuring take-off distance are:
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