user manual
TFS-780
TFS-780 user manual
Page 19
possibility of the safety clip being pushed open. Most importantly, all the chain hooks
must face the same way for an even hang.
6.
The length of the top row of chains naturally determines the height of the PA, but also
affects the way it looks. A short top chain length results in a neater looking PA, with the
boxes flying closer to the flybars, albeit at the expense of more tension on the tilt strap.
Do this if you want to be able to point the top boxes upwards, i.e. to cover high
balconies. If left long, i.e. completely open, there will be minimum tension on the tilt
straps but the system will not look as neat. Leave the top chains long if you want a large
downward angle on the column. A good compromise and starting point for the top row
is with link number 9 in the clutch. Choosing an odd link number is very desirable
because the chain will automatically hang straight, without the possibility of a 90
°
twist.
This will also ensure the PA flies fairly close to the flybar. NOTE:
NOTE:
NOTE:
NOTE: When on a long tour
and when the PA is flown repeatedly the same way for multiple shows, use tie wraps to
secure links in the shortening clutch to save time.
7.
Position the first row of Flashlights,
with the long throw boxes stacked on
top, directly under the flybar assembly.
Open the access door of the long throw
box, fit the biscuit in to the kelping
brackets, and connect the cable. Stow
any excess cable inside the cabinet.
Allow the flying chains to hang freely
down the sides of the boxes. If the D-
ring does not naturally face the right
way,
do not rotate it (which will cause a twist in the chain) to force it to face inwards,
simply flip the D-ring over so that it points in towards the fly point. NOTE:
NOTE:
NOTE:
NOTE: later flying
chains, shipped after September 2000, are re-designed with two separate apertures in
the D-ring so that it cannot accidentally flip over; in this case simply allow the the chain
to hang freely and then rotate a quarter turn clockwise or counter-clockwise as
appropriate to point in towards the box. Snap the D-rings into the flyplates on the
cabinets by inserting and lifting sharply until you hear a solid click.
8.
Attach the long part of the tilting straps
to the stirrup at the centre of each
single flybar, with the hook facing
forwards. Rather than letting the tilt
straps hang at the back of each box, it is
better to gather three to one side and
three to the other, to hang down at the
sides of the array until it is time to kelp
the boxes. This will avoid uneccessary
