5. Packaging Data. Headset H113/U is wrapped in cushioning
It is then inclosed in a close fitting carton.
6. Installation and Operation. a. Place the headset on the head
with the plastic mounting arm pads toward the front of the head.
Adjust the headset by sliding the earphone mounting arms up or down
on the headband until the earphone cushions are positioned securely
over the ears.
b. Insert the plug on the end of the cord into the jack which is con-
nected to the radio or wire equipment.
c. Headset H113/U is designed for operation in temperatures from
65 below zero to 132 above zero. It is moistureproof and fungus
7. Preventive Maintenance Techniques. a. Use a clean, dry, lint-
free cloth or a dry soft brush for cleaning.
b. If necessary, clean all parts except plug contacts, with a cloth or
brush lightly moistened with solvent, dry cleaning (SD) ; then wipe
the parts with a clean, dry, lint-free cloth.