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Headset Special Features
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Cable
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"Stop-Break" high flex coiled cable, 105 strand (per conductor), high endurance, flame proof, polyurethane coated wire. |
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Plug
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Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets |
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Standard 0.25 inch, 3 conductor, nickel coated plug. |
| Radio Push-To-Transmit Headsets ( RPTT Headsets ) |
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U-174/U, 4 conductor, nickel coated plug. |
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Microphone
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M-80 Noise-Canceling Electret Microphone |
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High noise environment electret microphone. Sigtronics M-80 noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Foam windscreens are standard. |
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Switch
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Push-To-Talk Switch ( P Headsets ) |
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Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch. |
| Radio Push-To-Transmit Switch ( RPTT Headsets ) |
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Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. The switch is not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch. |
| Microphone Disconnect Switch ( T Headsets ) |
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On / Off toggle switch for the microphone. Useful in very high noise or windy conditions. The headphone audio and volume control functions are not effected by switch position and are operative at all times. |
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Volume
Control
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All Headsets |
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Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions. |
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Headset Model
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Plug Type
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Instructions and Part List in Adobe PDF
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PDF
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SE-40
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0.25 inch,
3 conductor
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Standard Headset
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SE-40P
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0.25 inch,
3 conductor
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Mic Push-To-Talk Switch
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SE-40RPTT
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U-174/U,
4 conductor
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Radio Push-To-Transmit Switch
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SE-40S
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0.25 inch,
3 conductor
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One Ear Cup Hollow and Slotted
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SE-40SP
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0.25 inch,
3 conductor
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One Ear Cup Hollow and Slotted / Mic Push-To-Talk Switch
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SE-40SRPTT
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U-174/U,
4 conductor
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One Ear Cup Hollow and Slotted / Radio Push-To-Transmit Switch
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SE-40T
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0.25 inch,
3 conductor
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Mic Disconnect Switch
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SEH-40
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0.25 inch,
3 conductor
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Headphone Listen Only (no microphone)
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