I Required Connections - Icom IC-910H Instruction Manual

I Required connections

• Front panel
HEADPHONES
Input impedance:
Audio output power:
HM-12 HAND
MICROPHONE
• Rear panel
[430(440)MHz ANT]
(p. 14)
GROUND (p. 14)
8–16 Ω
5 mW with 8 Ω load
Output power may differ
according to the headphone
SM-20 DESKTOP MICROPHONE CONNECTOR (Front panel view)
MICROPHONE (optional)
CAUTION: DO NOT short pin 2 to ground as this can damage the
internal 8 V regulator. DC voltage is applied to pin 1 for microphone
operation. Take care when using a non-Icom microphone.
DC POWER SUPPLY (p. 17)
_
13.8 V DC
More than 25 A
[1200MHz ANT] (p. 14)
Required for optional
UX-910 operation.
From The N3UJJ.COM Document Library From The N3UJJ.COM Document Library
INSTALLATION AND CONNECTIONS
q
MIC (Microphone input)
w
i
+8V (Max. 8 V DC 10 mA)
q u e
MIC U/D (Frequency up/down)
r
SQL S (Squelch switch)
w y
t
PTT
e t
y
GND (PTT ground)
r
u
GND (Microphone ground)
i
AF OUT (varies with [AF])
+
[KEY] jack (p. 38)
[144MHz ANT] (p. 14)
+
_
(dot)
(com)
(dash)
3
15