Honeywell GNS-XL - Manual (Page 57)

VPU SUBSECTION PAGES
Accessed through the NAVIGATION 4/4 Page (if AFIS is installed in
the system, access is through the NAVIGATION 4/5 Page) by press-
ing the Line Select Key corresponding to the VPU sensor, then
pressing ENT.
VPU SUBSECTION 1/4 (Page 1 of 4)
POS:
The position in this field is
the same as POS on NAVI-
GATION 4/4. (Figure 2-31)
VPU:
The actual position computed
by the sensor, when in the
NAV mode. (Figure 2-31)
DIF:
The difference between the composite position and the sensor com-
puted position in degrees, minutes and hundredths. (Figure 2-31)
VPU SUBSECTION 2/4 (Page 2 of 4)
Pressing the NXT Key again will display the second VPU SUBSEC-
TION Page and the following can be observed.
QUALITY:
The numerical display in this field indicates the reliability of the posi-
tion data from the VPU. The number will range from 2 to 99 (with 2
being optimum and 99 as dead reckoning). (Figure 2-32)
ADVISE IF>:
This field is an enterable field
in which the operator may
input a quality factor value
from 2 to 98. If the VPU
QUALITY exceeds this value
a message is displayed on
SENSOR MESSAGES
Page. (Figure 2-32)
Page Display Definitions
2-26 GNS-X L Flight Management System
Rev. 0
Oct/96
POS N 38 49.90
W094 53.40
VPU N 38 49.90
W094 53.40
DIF N 0.00
E 0.00
VPU SUBSECTION 1/4
Figure 2-31
QUALITY 99
ADVISE IF > --
CURRENT MODE:
NO MEASURMENTS
VPU SUBSECTION 2/4
>
Figure 2-32