Sigtronics S-18C User manual

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…when it counts!
Model S-18C
Headset Instructions
The S-18C series headset is adjusted at the factory for immediate use. Headsets
equipped with two plugs are the standard conguration. The headphone plug is
the larger diameter plug and should be inserted into the headphone jack (.250”
standard monaural jack). The mic plug is the smaller diameter plug and should be
inserted into the microphone jack (.206” standard microphone jack).
The headband is adjustable through a full range of motion, or the locking nuts
may be tightened to allow you to custom t the headset. Place the headset over
your head, adjust the slide up until minimum pressure is felt on the top of your
head. The headset is now properly adjusted. For maximum noise attenuation,
the clamping pressure of the headband has been set at the factory. Releasing
the clamping pressure by bending the headband is not advised, because loss of
attenuation will result.
The microphone boom is fully adjustable and will rotate 180 degrees for use on
the left or right side of the head.
Make sure you are speaking into the side of the mic labeled “Talk” or substantial
loss of gain will occur. Microphone placement should be at the corner of the
mouth, approximately ¼” from the lips.
When you rst connect the headset, turn the volume control on the headset up to
the full clockwise position then adjust the listening volume with the audio control
of either your radio or intercom as appropriate. Passengers should also turn their
individual headset volumes up fully. Doing this allows for a full range of adjust-
ment for each passenger, since those with the most acute hearing can turn their
headset volume down, if necessary.
continued on back…
The headset parts may be cleaned with mild soap and water using a soft cloth.
Then dry immediately. Caution: Do Not immerse any part of the headset in water
or any other liquid. Be especially careful not to allow the microphone to become
wet! Exposure to moisture may cause internal corrosion and failure and will void
your manufacturers warranty.
Cleaning will help the headset maintain its “like new” condition for many years.
WINDSCREEN
The microphone windscreen will reduce annoying wind noise and breath pops
picked up by headset microphones. It also protects the microphone element
from dirt and moisture. The windscreen should be washed regularly to maintain
hygiene and avoid clogging. Wash in warm water and mild soap. Rinse thoroughly
and make sure it is completely dry before putting it back on.
To remove the windscreen, carefully grasp the windscreen lightly along its entire
length and remove from the microphone element being careful not to twist the
element itself.
Put the windscreen on the microphone by gently pulling from the open end. Do
not pull it so tightly that it stretches against the end of the microphone.
WARRANTY
Your headset is covered by a limited ve-year parts and labor warranty. Please see
the enclosed warranty card for details.
You may refer to the parts list on the reverse side, if you choose to replace parts
yourself. The parts list describes parts for this particular headset only. Parts lists
for other models are available on our Web Site or can be obtained by contacting
Sigtronics Corporation.
Sigtronics Corporation
178 East Arrow Highway
San Dimas, CA 91773
Phone: [phone]
E-mail: [e-mail]
Web Site: www.sigtronics.com

SIGTRONICS S-18C HEADSET PARTS IDENTIFICATION BREAKDOWN
ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION
1800192 PREAMP 12 100364 SCREW, 8-32 X 3/8, PHILLIPS HEAD 23 100379 FOAM, SOUND ATTENUATING, RECEIVER COVER, 1/4 INCH
2100360 KNOB, BLACK, VOLUME 13 100597 NUT, HEX, 3/8-24, FLEX BOOM ADAPTER 24 100258 CLIP, HEADBAND GUIDE, PLASTIC
3100365 POTENTIOMETER, 2K 14 100603 YOKE, EAR CUP MOUNT, METAL, BLACK 25 100393 CLIP, ANTI-ROTATION, YOKE, PLASTIC
4100858 RECEIVER AND MOUNT, 300 OHM, MONO 15 100569 STRAIN RELIEF, CABLE 26 100613 HEADBAND, METAL, BLACK, LARGE
5100108 SCREW, 4-40 X 1/4, THREAD FORMING 16 100402 EAR SEAL, GEL FILLED 27 100604 BRACKET, YOKE SUPPORT WITH TANG, BLACK
6800044 MICROPHONE & FLEX BOOM ASSEMBLY 17 100610 CUSHION, HEADBAND, FOAM FILLED 28 80 0118 HEAD PAD ASSEMBLY, SIDE, WITH CUSHION, S-18
7100251 E-RING, EAR CUP TO YOKE RETAINER 18 90 0111 WINDSCREEN, MIC, 8 SERIES 29 100602 OPTIONAL – HEADBAND, METAL, BLACK, STANDARD
8100252 NUT, HEX, 8-32, LOCKING 19 100373 SLIDE, YOKE BRACKET, LONG, NYLON 30 100672 OPTIONAL – HEADBAND, METAL, BLACK, YOUTH
9100401 EAR CUP, PRINTED AND DRILLED 20 100374 FOAM, SOUND ATTENUATING. NOTCHED, 1/2 INCH 31 100369 OPTIONAL – EAR SEAL, FOAM FILLED
10 100619 HEAD BAND EXTRUSION, 6.25 IN., S-18 21 100376 FOAM, SOUND ATTENUATING. RECEIVER HOLE, 1/2 INCH
11 100363 SCREW, 8-32 X 1/2, PHILLIPS HEAD 22 800033 CABLE, HEADSET, MONAURAL, COILED
10 -5-2017
s-18c.pdf
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