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1. Max. knots :
This defines the maximum airspeed that can entered as a Target value or
generated as an Actual value.
instruments on the aircraft can tolerate. The maximum value for this limit is 1100 and the
minimum is 0. A typical setting for this limit is 500.0
2. Min. knots :
This limits is usually negative and it defines the maximum "Negative
Qc" that the airspeed instruments on the aircraft can tolerate. In most cases it should be set to
about "-200.0" since almost all airspeed indicators can tolerate at least that much negative Qc.
Setting it any closer to "0.0" may cause the limit to be tripped very frequently. The maximum
value for this limit is 0 and the minimum is –900.
3. Max. Mach :
This limit is usually set to the maximum allowable Mach number that the
aircraft can tolerate. The maximum value for this limit is 5.0 and the minimum is 0.1 A
typical setting for this limit is 1.0.
4. Max. Feet :
This limit is usually set to the maximum altitude that the aircraft
instruments can tolerate. The maximum value is 80,000 and the minimum is 0. A typical
setting for this limit is 50,000.
5. Min. Feet :
This limit is usually set to the minimum altitude that the aircraft
instruments can tolerate. It is usually a negative number. The maximum value for this limit is
80,000 and the minimum is –16,000. A typical setting for this limit is –2000.
6. Max. Ft./min :
This limit is usually set to the maximum rate of climb that the aircraft
instruments can tolerate. It is usually limited to the maximum indication on the Vertical
Speed Indicator (VSI) on the aircraft. The maximum value for this limit is 25,000 and the
minimum is 100. A typical setting for this limit is 6000.
To modify a limit, select the limit by entering its serial number (1 to 6). The entry field will be
blanked and a new value can be entered into it, followed by the "ENTER" key. The value
becomes effective as soon as it is entered.
modify the max. knots limit.
Note: To set a negative value, enter the positive value and then press the "+/-" key.
1. max. knots =
2. min. knots = -200.0
3. max. mach = 1.000
The CLR key is used to clear the value entered. The CANCEL key is used to exit the SET
Typically this is set to the maximum airspeed that the
In the screen shown below, "1" was selected to
SET LIMITS
4. max. feet =
5. min. feet
6. max. ft/min.=
31
50000
=
-2000
6000
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