It's been a while but I'll have a go! No reference docs here so this may need a bit of correction.
Floor:
Check emergency hydraulic pressure indicating, if not get engineer to pump it up with lever to left of co-pilot's seat to ensure brakes/rotor brake have pressure
Overhead panel:
Battery switch on
Alternators and TRUs all switched on
Emergency lights armed
Anti Col Light on
Exercise Fuel Flow Levers checking corresponding lights, leave in ground idle position
Emergency fuel cut-off and emerg hydraulic levers wire locked
Ensure rotor brake is selected off
Instrument panel:
Flight and engine instruments normal parameters
Standby horizon erect
Test caution panel and fire warnings
standby pressure selector wire locked
Fuel panel:
test lights
check fuel contents sufficient
Check transfer pump if using external power
Switch on No.2 fuel pump of engine to be started check fuel pressure light goes out
Centre console
Rotor brake safety - check operation and leave armed
Radios set and on as required
Collective switches as required
Start
Fuel pressure light out
check T4 below 150
select start switch to run
when Ng rising flick start switch to ign
check T4 rising, but below 750
rotor turning by 17%Ng
gearbox and hydraulic pressures rising as normal
start light out by 32%
idle at 64%
advance fuel flow lever to flight position
check non essentail bus comes on line as alternators come on
check temps and pressures
check audio warning by testing eng fire lights
switch on remaining services
second engine booster pump on
second engine start as first
stabilized at 64%
advance fuel flow lever to flight position
retard first fuel flow lever to confirm freewheel operation
both fuel flow levers in flight position
check all booster pumps working
rotor brake safety switch to Off
Engage auto-pilot
brakes/nose wheel lock as required
Blast off