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Section 3 In-Flight Procedures
2nd Ed Aug 2019
S-TEC 3100 Digital and Analog
3-20
NOTE:
When interfaced to the Garmin G500/600/TXi, it is best practice to always
use the PFD bugs to set the altitude, VS, and IAS targets instead of the
SELECT knob and
/
modifiers.
The 3100 synchronizes to targets set on the Garmin G500/600/TXi.
However, targets set with the 3100 are not automatically synchronized or
displayed on the Garmin G500/600/TXi.
1)
Set the required altitude target using the ALT bug on the PFD
2) Climb or descend by engaging VS, IAS, or PITCH mode:
a) VS mode – Ensure the VS target has been set on the PFD. If the VS
bug is set in the opposite direction of the target altitude, the 3100
defaults to 500 fpm in the correct direction of the altitude target.
b) IAS mode – Set the IAS target bug on the PFD (if available). For
PFDs without an IAS bug, the 3100 synchronizes to the current
airspeed when IAS mode is engaged.
c) PITCH mode – Use CWS to establish desired climb or descent
angle.
3.9.
ADDITIONAL MODES
3.9.1. Control Wheel Steering (CWS) Mode
CWS allows the pilot to manually control the aircraft without disengaging
the AP to set new targets or maneuver around obstacles such as weather
or traffic. If envelope protection is active, CWS can be used to establish the
aircraft back inside the safe envelope – without disengaging the AP.
Press and hold the CWS switch to
engage control wheel steering mode.
CWS
appears, while an audible alert
sounds. In addition, both the roll and pitch servos disengage. Maneuver the
aircraft as desired, and then release the CWS switch to disengage CWS
mode.
CWS
extinguishes, and both servos re-engage.
Figure 3-18: Control Wheel Steering (CWS) Mode
The 3100 resumes operation in the previous mode.