VERTICAL SPEED INDICATOR
• VERTICAL SPEED SCALE and POINTER
The vertical speed scale shows a vertical speed range between ±
3000 fpm.
A green pointer moves against the scale to indicate current VS.
• VERTICAL SPEED DIGITAL READOUT
The vertical speed digital readout is displayed at the center of the scale
and shows the current vertical speed rounded to the nearest 50 fpm.
The VS digital Readout is not shown when vertical speed is less than
±300 fpm.
• TARGET VERTICAL SPEED BUG and DIGITAL READOUT
The target VS bug is a rectangular magenta bug positioned on the
vertical speed scale to indicate the selected vertical speed for the
engaged Vertical Speed mode of FD (VS, ALTA, GA).
The magenta digital readout above the scale displays the target vertical
speed value. Climb and descent speed targets are indicated with an
arrow pointing up or down.
The target vertical speed bug and the associated digital readout are
only displayed when a Vertical Speed mode is engaged on the FD (see
chapter 22-00).
When vertical speed is invalid the digital readout and the vertical speed
bug are not displayed.