ICOM IC-756PRO2 사용자 설명서

9

2

PANEL DESCRIPTION

(Front panel view)

DO NOT short pin 2 to ground as this

can damage the internal 8 V regulator.
NOTE: DC voltage is applied to pin 1 for micro-
phone operation. Take care when using a non-Icom
microphone.

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])

■

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. 43)

w

PTT SWITCH
Push and hold to transmit; release to receive.

q

w

+

+

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

w

+8 V DC output

Max. 10 mA

e

Frequency up

Ground

Frequency down

Ground through 470

Ω

r

Squelch open

“Low” level

Squelch closed

“High” level