23FT-857 Operating Manual
MIC Jack
Connect the supplied MH-31A8J Hand Microphone to this jack.
SP-PH Switch
If you use earphones with this transceiver, move this switch to the “PH” position before
inserting the earphone plug into the SP/PH Jack, to prevent injury your ears.
METER Jack
This 3.5-mm 2-pin jack is used for connection to an analog meter (not
produced by Vertex Standard). Please refer to the MENU, No-060 and
No-061.
SP/PH Jack
This 3.5-mm, 2-pin jack provides variable audio output for an external
speaker (4 W ~ 16 W impedance) or earphones. The audio level varies
according to the setting of the front panel’s AF knob.
Important Note: When you insert an earphone plug into this jack, the SP-PH slide
switch (located on the back side of front panel) MUST BE set to the “PH” position, to
prevent the possibility of injury to your ears.
FRONT PANEL CONTROL & SWITCHES
PH SP
MAIN BODY
(
FRONT
)
FRONT PANEL
(
BACK
)
CONTROL Jack
CONTROL Jack
