INTERCOM OPERATION
23.
INTERCOM-ONLY HEADSETS
The Intercom-Only Headsets receive both intercom and radio communications at all times,
but are NOT radio-transmit capable. Intercom-Only Headsets are typically used at the
jumpseat positions, due to the high ambient noise level at these locations (engine noise, etc.).
There are 4 models of Intercom-Only Headsets: the UH-20, the FH-20, the UH-40 and the
FH-40.
• The UH-20 and the FH-20 have a BLACK PTT button on the ear dome. Press
and hold this black PTT to speak on the intercom.
• The UH-40 and the FH-40 have a YELLOW PTT on the ear dome. Press and
release the yellow PTT to turn the microphone on. Press and release the yellow
PTT again to turn the microphone off.
FIGURE 25:
UH Style Headset
Adjustable Headstrap
Adjustable Headstrap
PTT
Volume Control
Headband
Headband
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