TM 1-1510-218-10
3C-26
Figure 3C-9. Primary Flight Display Mode Display
3C-15. ELECTRONIC HORIZONTAL SITUATION
INDICATOR.
a. Description. The EHSI is located on the
instrument panel directly below each pilot's and
copilot’s EADI. It is physically identical to the EADI,
except it is configured as an EHSI. Flight data
information is electronically displayed on both
EHSI's. Refer to Figure 3C-10.
b. Power. Twenty-eight Vdc power is provided to
each
EHSI
through
separate
7½-ampere
circuit
breakers, placarded EADI 1 & 2 and EHSI 1 & 2, located
on the overhead circuit breaker panel, Figure 2-16.
c. EHSI Modes. The EHSI allows for multiple
display formats. See Table 3C-6 for the display formats
that are selectable from the control panel.
