Figure 3-1.-Sound-powered telephone headset-chestset.
Handling the Headset-Chestset
Always handle sound-powered telephone headset-chestsets
with care so that they will be working properly if an emergency
occurs. When you are not using phones, make them up correctly
and stow them in their proper place.
The sets are made as waterproof as possible, but you should
not expose them unnecessarily to the weather. Do not drag the
cables over sharp edges, pull on them too hard, or allow them to
kink. When unplugging the cable from a jackbox, always pull on
the body of the plug; never pull on the cable. Figure 3-2 shows
a single-gang, sound-powered telephone jackbox.
What do you do with phones when they are not is use?