L-3 TECHNOLOGIES ESI-500 - Page 67

ESI-500
Pilot’s Guide 4-5
Messages and Indications
Table 4-1: Indications and Display Conditions
CONDITION CAUSE/CORRECTIVE ACTION
Obvious heading differ-
ence is observed between
the indicator and the
primary display.
Heading error caused by bad input data.
1. Cycle power to the indicator and the
external source device.
2. If heading information continues to
be different between the displays,
use a third heading device to
determine which device is correct.
3. If a MAG-500 is part of the system,
check for magnetic interference
around MAG-500.
4. Replacement of the indicator or
external source device may be
required.
Navigation information
missing from indicator
screen.
The navigation data has not been
activated through the Pilot menu or the
data is invalid.
1. Press Menu button on indicator
and rotate the knob to Navigation
Mode menu item. Press the knob to
activate.
2. The navigation option may not be
active.
3. The navigation input may not be
providing valid data. Cycle power to
the system.
4. Replacement of indicator or
external equipment may be
required.
Heading tape and digital
readout missing when
performing dynamic ight
patterns.
Heading tape and digital readout are
removed from the display if roll angle is
> +102° or < -102°.
Metric digital readout is
missing.
1. Not activated from the Pilot menu.
Press the Menu button and select
metric readout on.
2. Readout may not be selected as a
conguration option.