Sigtronics SEH-40 User manual

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Sigtronics
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…when it counts!
Sigtronics Corporation
178 East Arrow Highway
San Dimas, CA 91773
Phone: [phone]
E-mail: [e-mail]
Web Site: www.sigtronics.com
Model SEH-40
Headphone Instructions
The SEH-40 series of headphones are adjusted at the factory for immediate
use with all Sigtronics emergency apparatus intercoms and radio adapters
in emergency vehicles. The headphone is equipped with a single plug and
a coiled cord.
The headband is adjustable through a full range of motion, and the locking
nuts may be tightened to allow you to custom t the headphone. Place the
headphone over your head and adjust the slides up until minimum pres-
sure is felt on the top of your head. 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.
When you rstconnecttheheadphone, turn the volume control on the head-
phone up to the full clockwise position, then adjust the listening volume with
the audio control of either your radio or intercom as appropriate. If applica-
ble, crew members should also turn their individual headphone 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 headphone volume down, if
necessary.
continued on back…
The headphone parts may be cleaned with mild soap and water using a
soft cloth. Then dry immediately. Caution: Do Not immerse any part of the
headphone in water or any other liquid. Exposure to moisture may cause
internal corrosion and failure and will void your manufacturers warranty.
Cleaning will help the headphone maintain its “like new” condition for
many years.
WARRANTY
Your headphone is covered by a limited two-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 headphone
only. Parts lists for other models are available on our Web Site or can be
obtained by contacting Sigtronics Corporation.

SIGTRONICS SEH-40 HEADSET PARTS IDENTIFICATION BREAKDOWN
ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION
1800048 HEADBAND , WITH CUSHION, SE-40 11 100108 SCREW, 4 X 1/4, THREAD FORMING 21 800035 CABLE, HEADSET, STEREO, COILED
2100602 HEADBAND, METAL, STANDARD, BLACK 12 100251 E-RING, EAR CUP TO YOKE RETAINER 22 100933 WIRE, CROSSOVER, OVER THE HEAD, 28 INCH
3100603 YOKE, EAR CUP MOUNT, METAL, BLACK 13 100252 NUT, HEX, 8-32, LOCKING 23 100935 WIRE, #22, JUMPER, HEADSET, 4 INCH
4100604 BRACKET, YOKE SUPPORT WITH TANG, BLACK 14 100981 EAR CUP, PRINTED AND DRILLED, CABLE SIDE 24 100568 STRAIN RELIEF, CABLE
5100373 SLIDE, YOKE BRACKET, LONG, NYLON 15 100959 EAR CUP, PRINTED AND DRILLED, VOLUME CONTROL SIDE 25 100063 KNOB, 3/8 INCH, BLACK
6100258 CLIP, HEADBAND GUIDE, PLASTIC 16 100049 GROMMET, 5/16 INCH, RUBBER 26 100077 POTENTIOMETER
7100393 CLIP, ANTI-ROTATION, YOKE, PLASTIC 17 100369 EAR SEAL, FOAM FILLED 27 100858 RECEIVER AND MOUNT, 300 OHM, MONO
8100362 CLIP, CROSS-OVER, WIRE, PLASTIC 18 100374 FOAM, SOUND ATTENUATING. NOTCHED, 1/2 INCH 28 100613 OPTIONAL – HEADBAND, METAL, LARGE, BLACK
9100363 SCREW, 8-32 X 1/2, PHILLIPS HEAD 19 100376 FOAM, SOUND ATTENUATING. RECEIVER HOLE, 1/2 INCH 29 100402 OPTIONAL – EAR SEAL, GEL FILLED
10 100364 SCREW, 8-32 X 3/8, PHILLIPS HEAD 20 100379 FOAM, SOUND ATTENUATING, RECEIVER COVER, 1/4 INCH
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10-4-2021
seh-40.pdf