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Release the PTT key to receive.
The speaker(s) works as microphone(s).
After speaking, press the ALL key to return to the home screen.
The LH-5000 has eight warning signals including manual, yelp, underway,
stopped, sailboat, towed, anchored, and aground. The manual and yelp signals
are sounded when you press and hold the PTT key on the microphone.
However, the remaining warning signals are given when you press ENT key
on the front panel.
The table lists the function of the warning signal.
For ship passing. The lengths and timing of the horn blasts
Manual
For emergency
Yelp
siren.
are controlled by pressing and holding the
PTT key on the microphone.
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