TM 1-1520-238-T-4
Change 3
5–9
5–6.
CONTROLS AND INDICATORS (cont)
5–6
Table 5–1. Rotor System Controls And Indicators (cont)
Pilot ENG – RTR RPM% Indicator (cont)
SWITCH/INDICATOR
POSITION
FUNCTION
NP 1 and NP 2
vertical scales (cont)
AMBER
(lower)
Lights when engine 1 speed is 94 – 98%.
RED
(lower)
Lights when engine 1 speed is 0 – 94%.
BLUE
Lights when instrument power is applied.
RED DOT
Lights at beginning of red range.
NR vertical scale
RED
(upper)
(ACV)
.
Lights when transient operation is 104 – 110%.
RED
(upper)
(ACW)
.
Lights when transient operation is 110%.
AMBER (ACW)
Lights when normal operation is 104 – 110%.
GREEN
Lights when normal operation is 94 – 104%.
RED
(lower)
Lights when transient power is removed 0 – 94%.
BLUE
Lights when instrument power is applied.
RED DOT
Lights at beginning of red range.
(ACV)
(ACW)
M58-279A
Pilot ENG – RTR RPM% Indicator
