Garmin GFC 600 Manual page 41

Vertical Mode
Pitch Hold (default)
Selected Altitude
Capture
Altitude Hold ALT Key
Vertical Speed
IAS Hold IAS Key
Vertical Path
VNV Key
Tracking (VNAV)
Glidepath
APR Key
Glideslope
Go Around
Level (LVL) LVL Key
ESP High Pitch
Engagement
ESP Low Pitch
Engagement
ESP High
Airspeed
Engagement
ESP Low
Airspeed
Engagement
* ALTS arms automatically when PIT, VS, IAS, or GA is active, if the aircraft is equipped with altitude
preselect.
190-02011-11 Rev. 2
AFCS VERTICAL MODES
Control Annunciation
PIT
* ALTS
ALT nnnnn FT
VS Key VS nnnn FPM
IAS nnn KTS
VPTH
GP
GS
GA
GA
Switch
LVL
Reference Range
°
20 Nose up
°
15 Nose Down
-4000 to +2500 FPM
80 to 172 KT
7°
Zero Vertical Speed
ESP High Pitch Attitude engages at 20° nose up
ESP Low Pitch Attitude engages at 20° nose
down
ESP High Airspeed engages at 174 KIAS
When above 200 FT AGL, ESP Low Airspeed
engages when stall warning activates. (This mode
only available if height above terrain is available
from a compatible Garmin GPS).
GFC 600 Autopilot Installed in Piper PA-46-310P/350P
Reference Change
Increment
°
0.5
10 FT
100 FPM
1 KT
Page 41 of 46