Sigtronics S-45S User manual

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…when it counts!
Model S-45S
Headset Instructions
The S-45S series headsets are adjusted at the factory for immediate use with all
current standard radio systems in general aviation aircraft. 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 slides 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 has been set at the factory. Releasing the clamping pres-
sure by bending the headband is not advised, because loss of attenuation will
result. Note: If especially small (children) or large headbands are needed, they
may be ordered from Sigtronics.
The microphone boom is fully adjustable and will rotate 360 degrees for use on
the left or right side of the head. The locking screw that secures the boom to the
ear cup is factory set to insure the correct tension. Turning it will not change the
tension, because the nut on the inside of the cup will turn as well. Microphone
placement should be at the corner of the mouth, approximately ¼” from the
lips. The exclusive thumbscrew on the mic boom may be used to assure proper
adjustment.
When you rst connect the headset, turn the volume controls on the headset to
maximum ( full clockwise on mic side, counterclockwise on pot side ), 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 adjustment for each passenger, since
those with the most acute hearing can turn their headset volume down, if neces-
sary.
continued on back…
The headset is equipped with a stereo /
monaural switch on the main cable. For
monaural sound or aircraft with only
monaural jacks, move the switch to the
monaural position. In aircraft equipped
for stereo audio, move the switch to the
stereo position.
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 thor-
oughly and make sure it is completely dry before putting it back on.
To remove the windscreen, take out the screw that holds the microphone on the
boom and grasp the windscreen lightly along its entire length and slip it o.
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
Stereo / Monaural Switch
Stereo • •
Monaural •

SIGTRONICS S-45S HEADSET PARTS IDENTIFICATION BREAKDOWN
ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION
1100049 GROMMET, 5/16 INCH, RUBBER 15 100368 KNOB, MICROPHONE BOOM ADAPTER, PLASTIC 29 100408 WASHER, GROOVED BOOM
2100360 KNOB, BLACK, VOLUME 16 100402 EAR SEAL, GEL FILLED 30 800219 CABLE, HEADSET, STEREO / MONO
3100365 POTENTIOMETER, 2K 17 100610 CUSHION, HEADBAND, FOAM FILLED 31 800039 CABLE, MICROPHONE BOOM, 12 INCH
4100763 RECEIVER / RECEIVER MOUNT, 300 OHM, STEREO 18 100221 WIRE, JUMPER, #22, 4 INCHES 32 100566 HEADBAND EXTRUSION, 6.25 IN., S-45
5100108 SCREW, 4-40 X 1/4, THREAD FORMING 19 100373 SLIDE, YOKE BRACKET, LONG, NYLON 33 800082 MICROPHONE, ELECTRET, M-80
6100249 BOOM, ELECTRET MICROPHONE SUPPORT, SWIVEL 20 100374 FOAM, SOUND ATTENUATING. NOTCHED, 1/2 INCH 34 100371 MICROPHONE CABLE CLIP
7100251 E-RING, EAR CUP TO YOKE RETAINER 21 100376 FOAM, SOUND ATTENUATING. RECEIVER HOLE, 1/2 INCH 35 100156 SCREW, THUMB, MICROPHONE BOOM, 2-56 X 1
8100252 NUT, HEX, 8-32, LOCKING 22 100379 FOAM, SOUND ATTENUATING, RECEIVER COVER, 1/4 INCH 36 100569 STRAIN RELIEF, CABLE
9100615 EAR CUP, PRINTED AND DRILLED, MIC & NON MIC SIDE 23 100366 WIRE, 2 CONDUCTOR, #24, BLACK, 28 INCHES 37 900084 WINDSCREEN, MICROPHONE
10 100362 CLIP, CROSS-OVER, WIRE, PLASTIC 24 100258 CLIP, HEADBAND GUIDE, PLASTIC 38 100579 CLIP, CLOTHING, HEADSET CABLE
11 100363 SCREW, 8-32 X 1/2, PHILLIPS HEAD 25 100393 CLIP, ANTI-ROTATION, YOKE, PLASTIC 39 100369 OPTIONAL – EAR SEAL, FOAM FILLED
12 100364 SCREW, 8-32 X 3/8, PHILLIPS HEAD 26 100383 HEADBAND, METAL, STANDARD 40 100257 OPTIONAL – HEADBAND, METAL, LARGE
13 100377 SCREW, 8-32 X 5/8, PHILLIPS HEAD 27 100384 BRACKET, YOKE SUPPORT WITH TANG 41 100618 OPTIONAL – HEADBAND, METAL, YOUTH
14 100367 YOKE, EAR CUP MOUNT, METAL 28 100385 WASHER, SPRING, BOOM ADAPTER
11-28-2016
P/N 700080
s-45s.pdf
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