Icom IC-7850 Instruction Manual page 19

u MICROPHONE CONNECTOR [MIC]
Connect an optional microphone.
• See page 3-4 for appropriate microphones.
• See page 20-3 for microphone connector information.
i SD CARD SLOT [SD CARD]
Insert the supplied SD card for both reading and stor-
ing a wide variety of the transceiver's information and
data.
• The indicator beside the slot lights, or blinks when read-
ing from or writing to the card.
• Push the card once to remove it.
o USB INDICATOR [USB]
Lights while accessing a USB flash drive inserted to
the [USB A] port.
!0 MONITOR GAIN CONTROL [MONI GAIN]
Rotate to adjust the transmit IF signal monitor level.
!1 COMPRESSION LEVEL CONTROL [COMP]
(p. 8-6)
Rotate to adjust the speech compression level in
SSB.
!2 DRIVE GAIN CONTROL [DRIVE]
Rotate to adjust the transmitter level at the driver
stage. Activates in all modes
.
OFF)
!3 VOX GAIN CONTROL [VOX GAIN]
Rotate to adjust the transmit/receive switching
threshold level for VOX operation.
!4 ANTI VOX CONTROL [ANTI VOX]
Adjusts the VOX deactivate level to prevent un-
wanted VOX activation from the speaker or other
sounds.
!5 DISPLAY CONTRAST CONTROL [CONTRAST]
Adjusts the display contrast.
!6 DISPLAY BRIGHTNESS CONTROL [BRIGHT]
Adjusts the display brightness.
!7 MONITOR KEY [MONI]
Push to monitor your transmitted signal.
• The CW sidetone functions regardless of the [MONI] key
setting in the CW mode.
• The [MONI] indicator above this key lights white while
the function is activated.
!8 BREAK-IN DELAY CONTROL [DELAY]
Rotate to adjust the transmit-to-receive switching
delay time in the CW semi-break-in mode.
(pp. 3-5, 10-2)
(p. 10-4)
(p. 8-5)
(p. 4-14)
(except SSB with [COMP]
(p. 8-2)
(p. 8-2)
(p. 8-5)
(p. 8-4)
!9 ELECTRONIC CW KEYER SPEED CONTROL
[KEY SPEED] (p. 5-7)
Rotate to adjust the internal electronic CW keyer's
speed to between 6 wpm (minimum) and 48 wpm
(maximum).
• The keyer's speed is displayed.
@0 VOX/BREAK-IN KEY [VOX/BK-IN]
➥ Push to turn the VOX function ON or OFF in the
SSB, AM, or FM mode.
➥ Push to turn the break-in function ON
in, Full break-in)
➥ Hold down for 1 second to enter the VOX set
screen. (p. 8-3)
✔ What is the VOX function?
The VOX function (voice operated transmission) starts
transmission without pushing the transmit key or PTT
switch when you speak into the microphone, then auto-
matically returns to receive when you stop speaking.
✔ What is the break-in function?
The break-in function toggles between transmit and
receive with CW keying. Full break-in (QSK) can moni-
tor the receive signal during keying.
@1 RF POWER CONTROL [RF PWR]
Rotate to continuously vary the RF output power
from less than 5 watts (minimum) to 200* watts
(maximum).
*AM mode: less than 5 W to 50 W
• The output power setting is displayed.
@2 MIC GAIN CONTROL [MIC]
Rotate to adjust microphone gain.
• The transmit audio tone in the SSB, AM, or FM mode
can be independently adjusted in the Level set screen.
(p. 4-13)
✔ How to set the microphone gain.
Adjust the [MIC] control so that the ALC meter swings
within the ALC range during normal voice level trans-
mission in the SSB or AM mode. (The ALC meter must
be selected.)
1-3
PANEL DESCRIPTION
(p. 8-2)
(Semi break-
or OFF in the CW mode.
(p. 4-13)
1
(p. 8-4)