De Havilland DASH8 100 Series Maintenance Manual page 31

(5) Move the power levers forward until the PWR UPTRIM light on engine instrument
panel comes on (power levers should be above FLT IDLE + 12 degrees).
NOTE: Operation of PWR UPTRIM light confirms function of overtorque switch,
relay 7712−K5 and power uptrim circuits (see Chapter 61).
(6) Release 'press−to−test' switch. Check indicator pointer and digital display indicate
zero % and PWR UPTRIM light goes out.
(7) Repeat steps (4), (5) and (6) for the right torque indicator 'press−to−test' switch.
NOTE: Operation of PWR UPTRIM light confirms function of right indicator
overtorque switch relay 7712−K4 and associated power uptrim circuits
(see Chapter 61).
(8) Open circuit breakers, steps (2) and (3). Check indicator pointer on each indicator
moves off−scale and digital displays are blanked. Close circuit breakers.
MASTER
EFFECTIVITY: See Pageblock 77−10−00 page 1
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
77−10−00
Page 3
Jun 20/2005