Zeromic STHD-F1, Instruction Manual, Page: 29 / 40

The connection method of
earphone mike and various PTT button
① Take off the rubber lids of earphone mike and PTT
button connection jack
②
Insert the plug of earphone mike or PTT button into
connection jack with matching the mark as picture below,
and push it further down, and rotate the plug clockwise
until it stop.
Plug of earphone mike
and various PTT button
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