3
4.
Clean only with a dry cloth.
5.
Do not block any ventilation openings.
6.
Do not install near heat sources such as radiators, heat
registers, stoves, or other apparatus that produce heat.
7.
Protect the power cable from being walked on or pinched at
the plugs, and the point where they exit the unit.
8.
Do not defeat the safety purposes of the polarized or
grounding type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades
and a third grounding prong. The third prong is provided for
your safety. If the provided plug does not fit into your outlet,
consult an electrician for replacement of the
outdated/obsolete outlet.
9.
Unplug the amplifier during lightning storms or when unused
for long periods of time.
10.
Refer all servicing to qualified service personnel. Servicing is
required when the product has been damaged in any way,
such as power cable or plug damage, liquid has been spilled or
objects have fallen into the product, the product has been
exposed to rain or moisture, does not operate normally, or has
been dropped.
Before operating your JCA20HV please make sure of the following:
First, plug the JCA20HV head into a speaker cabinet.
Plug the power cable into the back panel and plug the cable into a
power receptacle. Turn on the power switch on the amplifier and
wait about 30 seconds for the tubes to warm up.
Turn on the standby switch.