8
SET MODE
39
8
DD
Internal speaker
When an external speaker is connected and the transceiver’s
internal speaker is not required, the speaker on the trans-
ceiver and microphone can be deactivated.
DD
LCD contrast
This item adjusts the contrast of the LCD in 8 steps.
The optional HM-134 has it’s own setting for the LCD con-
trast.
DD
Automatic foghorn frequency
The audio frequency of the automatic foghorn can be ad-
justed to suit your preference. While this item is selected,
pushing [PTT] outputs the foghorn—experiment with the fre-
quencies available until you find one you like.
•Available frequency range is 200 Hz to 850Hz in 50 Hz step.
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