ICOM ic-756pro ユーザーズマニュアル

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2
PANEL DESCRIPTION
Microphone 
(HM-36)
q
UP/DOWN SWITCHES [UP]/[DN]
Change the selected readout frequency or memory
channel.
• Continuous pushing changes the frequency or memory
channel number continuously.
• While pushing [XFC], the transmit readout frequency can
be controlled while in spilt frequency operation.
• The [UP]/[DN] switch can simulate a key paddle. Preset
in the keyer set mode. (p. 42)
w
PTT SWITCH
Push and hold to transmit; release to receive.
q
w
• MICROPHONE CONNECTOR
(Front panel view)
• HM-36 SCHEMATIC DIAGRAM
CAUTION:
DO NOT short pin 2 to ground as this
can damage the internal 8 V regulator.
+
+
q
w
e
r
t
y
u
i
4700p
4700p
10
µ
0.33
µ
MICROPHONE
MIC
ELEMENT
2k
470
DOWN
UP
PTT
RECEIVE
TRANSMIT
MICROPHONE CABLE MICROPHONE PLUG
y
 GND (PTT ground)
t
 PTT
r
 Main readout squelch switch
q
 Microphone input
w
 +8 V DC output
e
 Frequency up/down
u
 GND 
(Microphone ground)
i
 Main readout AF output 
(varies with [AF]/[BAL])
Max. 10 mA
Ground
Ground through 470 
Ω
“LOW” level
“HIGH” level
+8 V DC output
Frequency up
Frequency down
Squelch open
Squelch closed
[MIC]
PIN NO.
w
e
r
FUNCTION
DESCRIPTION