Saab 340B, Operation Manual, Page: 169 / 670

AUTOFLIGHT, CAT I
Operation
Aircraft Operations Manual
3.2
S
PAGE 11
Apr 01/15
CONDITIONS NORMAL PROCEDURES
(Cont’d)
− Rotate SET/PUSH SEL knob until setup display indicates desired offset and
offset annunciator shows correct location before or after the DME station.
To change OFFSET from AFTER (A) to BEFORE (=), rotate SET/PUSH SEL
knob clockwise, then counter
− clockwise until annunciator shows BEFORE (=).
Then rotate clockwise for correct offset in nautical miles.
NOTE
5. Station elevation SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Push SET/PUSH SEL knob and observe STA EL FT annunciated.
− Rotate SET/PUSH SEL knob to set up station elevation to the nearest 100 ft.
6. Function selector SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− VSR display shows the VS required from present position to the aimpoint.
Once a desired VS is reached, a direct to aimpoint can be initiated by mo-
mentary rotating the function switch to DIR and back to ACT.
− Distance to the aimpoint TO ALT is shown on the DISTANCE display.
− For path tracking information use FD display on EADI or vertical deviation
display on EHSI.
− When the aircraft reaches the aimpoint (which is at the altitude selected on
the altitude preselector) the altitude alert (visual and aural) comes on and the
pilot manually levels off at the preselected altitude.
2.12 HDG MODE
(Basic Mode)
1. HDG selector on CHP SET DESIRED . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADING
2. HDG button PRESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Check EADI to annunciate HDG.
− Heading can be changed by the HDG knob on CHP or by TURN knob on AP
control panel.
− TURN knob is springloaded to center detent position. Movement from detent
provides a slew rate command proportional to knob displacement.
2.13 NAV − VOR
MODE
The two NAV SOURCE SELECTOR (NAVS L/R) buttons are used to couple left
or right navigation source signals to the FD/AP.
1. NAV frequency selector SET VOR . . . . . . . . . . . . . . . . . . . . . . . . . .
FREQUENCY
2. CRS selector SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Check course readout on EHSI.
(Cont’d)