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Doc #: EC501 / Rev. 1 / Effective Date: October 17, 2014
15
Stop:
arm extended with
palm open in the vertical
position
.
Forward:
closed fist with
thumb up, combined with
arm motion passing from the
front of the head to the back.
Reverse:
closed fist with
index
finger
extended,
combined with arm motion
passing from the back of the
head to the front.
Increasing Prime Mover
Deployment Speed:
hand
open with palm away from
body,
combined
with
horizontal arm motion away
from and toward body.
New Roll of EC Film
Required:
point to roll
loaded in the ECD, then
indicate with thumb and
index finger of other hand
that very little EC remains.
Filling of Bucket Required:
both arms extended up with
fingers pointing downward.
Decreasing Prime Mover
Deployment Speed:
hand
open with palm faced down,
combined with vertical up
and down arm motion.
Safe to proceed to next
run:
2 thumbs up.
Chapter 8 Ground Attendant Operational Hand Signals
By using operational hand signals, a ground attendant can work interactively with the operator
of Model 800. Model 800 operator shall act on visual or verbal communication from the ground
attendant.
A common set of operational hand signals between the ground attendant and Prime Mover
operator will facilitate the deployment operation of ECD. Examples of some commonly
accepted hand signals are illustrated in Figure 18.
Figure 18: Commonly accepted hand signals
