Technical Information - Icom IC-775DSP Instruction Manual

{1 PANEL DESCRIPTION
W Microphone (optional HM-36)
@ UP/DOWN SWITCHES [UP]/[DN] @ PTT SWITCH (p. 22)
Change the MAIN readout frequency or memory Push and hold to transmit; release to receive.
channel.
- Continuous pushing changes the frequency or
memory channel number continuously.
_- While pushing [XFC], the SUB. readout frequency can
be controlled while in split frequency operation.
- The [UP]/[DN] switch can simulate a key paddle.
Preset in the P-set mode. (p. 42)
TECHNICAL INFORMATION
(Front panel veiw)
@ Microphone input @ GND (microphone ground)
© GND (PTT ground)
© PTT
@+8V DC output
@ Frequency up/down
@Squelch switch
CAUTION: DO NOT short pin 2 to
ground as this can damage the
RRE EE MTom e]
EE
Ces [towne
@ Squelch closed
e HM-36 SCHEMATIC DIAGRAM
MICROPHONE 2k MICROPHONE CABLE MICROPHONE PLUG
internal 8 V regulator.