Yaesu FT3DR Operating Manual page 5

⑬ Speaker
⑭
microSD memory card slot*
⑮
DATA Terminal*
When updating the firmware, connect to a PC
using a USB cable.
⑯ MIC/SP jack*
Connect the optional speaker microphone
or earpiece microphone to this jack.
When an external microphone or cable is
connected, the dust and splash protection
does not function.
Do not connect any microphone which
is not specified by Yaesu.
⑰ EXT DC IN jack*
When charging the battery pack, connect
the battery charger (SAD-25B) to this
jack.
Connect an external power supply adapt-
er with a cigarette lighter plug (SDD-13)
or an external power cable (E-DC-6) to
this jack.
* When the included antenna and battery pack
are installed and the MIC/SP jack, DATA ter-
minal, micro SD card slot and EXT DC IN jack
are securely covered with rubber caps, the
FT3DR meets the waterproofing performance
conforming to IPX5.
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