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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. In the screen shown below, “1” was selected to
modify the max. knots limit.
Note: To set a negative value, enter the positive value and then press the “+/-“ key.
SET LIMITS
1. max. knots =
4. max. feet = 50000
2. max. Dfin = 3.0 5. min. feet = -2000
3. max. mach = 1.000 6. max. ft/min.= 6000
The CLR key is used to clear the value entered. The CANCEL key is used to exit the SET
LIMITS screen.
3.5.3 FUNCTION 3: SET KNOTS RATE
Pressing “3” on the Function Select screen brings you into the “Set Knots Rate” screen. This
screen is shown below.
CURRENT RATE = 250.0 knots /min.
NEW RATE =
knots /min.
min : 0 , max : 500
The knots rate is the rate at which the Actual airspeed value is ramped towards the Target
airspeed value. A typical knots rate value of 500.0 is ideal for most operations. Enter the
desired value followed by the ENTER key. This will take you into the following screen which
shows that a new value of 300.0 was entered. Press GO to return to the Main screen.
Thank you. Press “GO” to continue.
NEW RATE = 300.0 knots /min.
Note: The Knots Rate is used to ramp the Pt output when the Pt units are “airspeed” units
of knots, Mach, mph, kmph. It is also used to ramp the Ps2 output when the Ps2 units are
knots or kmph. Please refer to “Effects of Rate target value” in section 3.2.2 for more
details.
Summary of Contents for 6600
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