Front Panel Controls & Switches; Microphone Jack - Yaesu FT-1900R Operating Manual

F P
RONT
VOL Knob
This control adjusts the audio volume level. Clockwise rotation increases the volume
level.
SQL Knob
This control is used to silence background noise on the receiver. It should be advanced
clockwise just to the point where the noise is silenced (and the "
the display turns off), so as to provide the best sensitivity to weak signals.

Microphone Jack

Connect the supplied MH-48
PWR Key
Press and hold this key for one second to toggle the transceiver's
power on and off.
[ ( L )] Key
This key allows operation in conjunction with the Internet Connection feature.
Press and hold in this key for one second to toggle the Lockout Feature "on" or "off".
[ MHz ( SET )] Key
This key allows tuning in 1-MHz steps (the MHz digits will blink on the display). If
receiving on a memory, pressing this key the first time activates the Memory Tuning
mode, and pressing it again enables 1-MHz steps.
Press and hold in this key for one second to activate the "Set" (Menu) mode.
10
C
ANEL ONTROLS
Hand Microphone to this jack.
A6J
& S
WITCHES
MIC INPUT
PTT/CLONE
FT-1900R O
" indicator on
GND +8V
MIC SW1
MIC SW2
M