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2.
E.
(2)
(1)
Start Valve Open (SVO) Annunciation - The SVO
annunciation
is
located adjacent (outboard
side) to the HP scales as shown in
Figure 223. When the start valve is open, the SVO label color
is determined by the following logic:
Condition
Color
HP < 42%
61ue
HP ~ 42%
Flashing Amber
(m)
Ignition (IGN)
Annunciation
- The green
IGN
annunciation is
located positionally
below the SVO annunciation (Figure 223).
This label is displayed whenever the igniters are active.
(n)
HP Synchronization (SYNC) Annunciator - If the
crew chooses to
sync the engines using
HP, a SYNC annunciation is displayed in
green directly below the HP scale label (Figure 225).
(o) Fuel Flow (FF) Display - The FF instruments comprise the bottom
row of gauges on the primary engine display (Figure 223). The
FF arc boundaries range between 250 PPH (pounds per hour) to
8000 PPH. The digital readout window is located directly above
the pointer rotation point. The white FF actual value
corresponds to the pointer position on the scale and is
readable to a 1O-PPH resolution. If
the actual data goes below
250 PPH, the pointer remains stationary at the
lower limit and
the digits show actual FF value.
If the actual data goes above
8000 PPH, the pointer remains stationary at the upper limit and
the digits shown the actual FF value. The FF arc, scale
markings, current value window, and pointer are white.
(p)
Fuel Flow Valve Status Indications - When the fuel flow valves
are in the closed position, amber cross-hatching is displayed
within the FF digital readout window (Figure 226). When the
fuel flow
valves are in transit, amber dashes are displayed
within the FF digital readout window.
The pointer remains
displayed to distinguish this condition from the invalid data
condition (paragraph 2.E. (4)).
22-14-00
Page 271
Apr 15/93
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