Microphones (Optional Products) - Icom IC-7851 Instruction Manual

■ Microphones (optional products)

D SM-50
TOP VIEW
q
BOTTOM VIEW
D SM-30
TOP VIEW
q
BOTTOM VIEW
r
e
w
MIC GAIN
y
w
t
y r
OFF ON
MIC GAIN LOW CUT
INSTALLATION AND CONNECTIONS
q PTT SWITCH
Hold down to transmit, release to receive.
w PTT LOCK SWITCH
Push to lock the PTT switch in the transmit mode.
e UP/DOWN SWITCHES [UP]/[DN]
Change the selected readout frequency or memory
channel.
• Holding down continuously changes the frequency or
memory channel.
• While holding down [XFC], the transmit readout frequen-
cy can be controlled while in the split frequency mode.
• The [UP]/[DN] switch can simulate a key paddle. Preset
in the keyer set mode.
r LOW CUT SWITCH
Push (SM-50)/Slide (SM-30) to cut out the low fre-
quency components of input voice signals.
t PTT LOCK INDICATOR [LOCK]
(Only for the SM-30)
Lights red when the PTT lock switch (w) is ON.
y MIC GAIN VOLUME [MIC GAIN]
Rotate to adjust the microphone output level.
• Use this control as an addition to the microphone gain
setting of the transceiver.
Rotating the control too far clockwise may result
in an output level that is too high and transmit
signal distortion.
3-9
(p. 5-13)
3