Icom Ic-Prc100 Communications Receiver For Computer Instruction Manual

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2PANEL DESCRIPTION
!1CLOSE BUTTON
Push to quit and exit this software.
!2ATTENUATOR BUTTON [ATT](p. 21)
Push to turn the 20 dB attenuator on and off.
!3VOLUME CONTROL [VOLUME](p. 16)
Adjusts the audio output.
•Right-click* to increase the volume level; left-click* to decrease
the volume level.
!4AUTOMATIC NOISE LIMITER BUTTON [ANL](p. 21)
Push to turn the automatic noise limiter for receiving AM
signals on and off.
!5SQUELCH CONTROL [SQUELCH](p. 20)
Adjusts the squelch threshold level. The squelch removes
noise output from the speaker (closed condition) when no
signal is received.
•Right-click* to increase the squelch level; left-click* to decrease
the squelch level.
!6TONE SQUELCH BUTTON [T-SQL](p. 36)
Push to show or hide the [TONE SQUELCH] dialog box for
setting tone squelch frequencies.
!7
RECEIVE MODE BUTTONS [FM], [WFM], [AM], [AUT-M]
(pgs. 18, 19)
Select a receive mode. The [AUT-M] button, automatic
mode, selects a previously programmed receive mode au-
tomatically depending on a receive frequency.!8SCAN SPEED CONTROL [SPEED](p. 33)
Sets the speed at which scans search through frequen-
cies/memories for signals.
•Right-click* to increase the speed; left-click* to decrease the
speed.
!9SCAN DELAY TIME CONTROL [DELAY](p. 32)
Sets the period in which a scan pauses after receiving a
signal.
•Right-click* to increase the period; left-click* to decrease the pe-
riod.
@0TUNING STEP UP/DOWN BUTTONS [TSJ]/[TSK]
(p. 18)
Push to select the tuning steps.
@1TUNING DIAL(p. 17)
Push to set the receive frequency with the selected tuning
step.
•Right-click* to increase the frequency; left-click* to decrease the
frequency.
@2MEMORY BANK UP/DOWN BUTTONS 
[BANK
∧]/[BANK∨](p. 23)
Push to select the memory bank.
@3MEMORY CHANNEL UP/DOWN BUTTONS 
[CH
∧]/[CH∨](p. 23)
Push to select the memory channel.
* When the mouse property is set for right-handed. 
						

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2PANEL DESCRIPTION
@4KEYPAD [0]–[9], [•], [CE](p. 17)
➥[0] to [9] are used to input a receive frequency or mem-
ory channel directly.
➥[•] (Decimal) button is used to set the MHz digit when in-
putting a frequency.
➥[CE] (Clear) button is used to clear mistakes while in-
putting a receive frequency or memory channel.
@5IF FILTER BUTTONS [NAR]/[WID](p. 20)
Push to change the IF filter in use. The [WID] button se-
lects a wider filter, the [NAR] button selects a narrower fil-
ter.
•Usable IF filters vary according to receive mode.
@6SCAN STOP BUTTON [STOP](p. 26)
Push to cancel scan operation.
@7PROGRAMMED SCAN BUTTON [PROG](p. 27)
Push to start/stop programmed scan.
•“PROG”flashes while scanning.
@8SPAN +/– BUTTONS [SPAN+]/[SPAN–](p. 34)
Push to select one of four levels for the band scope fre-
quency span.
@9AUTO MEMORY WRITE SCAN BUTTON [AUTO](p. 29)
Push to start/stop auto memory write scan.
•“AUTO”flashes while scanning.
@4
@5 @6 @7 @8 @9 #1 #2 #3 #6 #7#4 #5 #0 
						

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2PANEL DESCRIPTION
#0SWEEP START/PAUSE BUTTON [s s
/❙❙](p. 34)
Push to start/pause the band scope (sweep) function
which is used to observe signal conditions around the re-
ceive frequency.
NOTE:While using the band scope function, audio is
NOToutput. To monitor the frequency, push [s/❙❙] to
pause the function, or push [] to cancel the function.
#1MEMORY SCAN BUTTON [MEMO](p. 30)
Push to start/stop any of the memory scans.
•“MEMO”flashes while scanning.
#2SWEEP STOP BUTTON [](p. 34)
Push to stop a band scope (sweep) function.
#3SET BUTTON [SET]
Push to show the setting screen used to adjust settings for
scan functions, the band scope function and the automatic
mode function. 
						

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2PANEL DESCRIPTION
Function display
qMEMORY BANK INDICATOR(p. 23)
Indicates the memory bank number (and its name if it has
one) being received.
wMEMORY CHANNEL INDICATOR(p. 23)
Indicates the memory channel number (and its name if it
has one) being received.
•The name darkens when the receive frequency changes from the
stored one.
eFREQUENCY INDICATION(p. 17)
Indicates the receive frequency and data as it is being
input such as memory channel numbers, etc.
rS (SIGNAL) METER(pgs. 16, 20)
Indicates the receive signal strength. Also indicates the
S-meter squelch receive level set via the [SQUELCH] con-
trol.
tBAND SCOPE PAUSE INDICATOR [PAUSE](p. 34)
Appears when pausing the band scope.
yBUSY INDICATOR [BUSY]
Appears when receiving a signal or when signal noise
opens the squelch.
uRECEIVE MODE INDICATORS(p. 18)
Indicate the current receive mode.
•“WFM”lights in red when receiving a stereo broadcast program.
iTUNING STEP INDICATOR(p. 18)
This is the frequency increment used when selecting a fre-
quency using the tuning dial and when searching for sig-
nals using a scan function.
oIF FILTER INDICATOR(p. 20)
Indicates the selected IF filter and signal passband width.
!0ATTENUATOR INDICATOR [ATT](p. 21)
Appears when the attenuator function is on.
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!0 !1 
						

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2PANEL DESCRIPTION
!1AUTOMATIC NOISE LIMITER INDICATOR [ANL](p. 21)
Appears when the automatic noise limiter is on.
!2TONE SQUELCH INDICATOR [T-SQL](p. 36)
Appears when the tone squelch is on.
!3AUTOMATIC MODE INDICATOR [AUT-M](p. 19)
Appears when the automatic mode function is on.
!4MAXIMUM FREQUENCY SPAN INDICATORS(p. 34)
➥Indicate the upper and lower observable frequency limits
around a receive frequency.
➥In the diagram, the upper and lower limits are +100 kHz
and –100 kHz.
!5FREQUENCY SPAN INDICATION(p. 34)
Indicates the frequency span selected with the [SPAN–] or
[SPAN+] button.
!6CENTER FREQUENCY INDICATOR(p. 34)
Indicates the center frequency of the frequency span; this
is for the currently received frequency.
!7SWEEP STEP INDICATOR(p. 34)
Indicates band scope sweep step.!8LIMIT INDICATOR(p. 35)
➥Indicates when the tuning step is greater than the auto-
matic sweep step setting.
➥In the diagram, the tuning step is greater than the auto-
matic sweep step setting and the tuning step (TS) and
the sweep step width are not the same. 
						

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2PANEL DESCRIPTION
qPOWER BUTTON [PWR]
Toggles the receiver power ON and OFF.
wAUTOMATIC MODE INDICATOR [AUT-M](p. 19)
Appears when the automatic mode function is on.
eRECEIVE MODE INDICATOR(p. 18)
Indicates the current receive mode.
•“WFM”lights in red when receiving a stereo broadcast program.
rS (SIGNAL) METER(pgs. 16, 20)
Indicates the receive signal strength. Also indicates the
S-meter squelch receive level set via the [SQLJ]/[SQLK]
buttons.
tFREQUENCY INDICATION(p. 17)
Indicates the receive frequency.
•Double-click to display/hide the information display.
•Right-click* to bring up the shortcut menu.
•Shortcut menu
yMEMORY CHANNEL NAME INDICATOR
Indicates the memory channel name (if it has one).
•The name darkens when the receive frequency changes from the
stored one.
•Double-click to display/hide the information display.
•Right-click* to bring up the shortcut menu.
Simple function receiver screen
Information display
Simple function 
receiver
qwer t y u i o !0 !1
!2 !3 !4 !8 !9!5 !6 !7 
						

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2PANEL DESCRIPTION
uMEMORY BANK BUTTON [BANK](p. 23)
Click to indicate the memory bank menu to select the
memory bank number.
iMEMORY CHANNEL BUTTONS [1] – [5](p. 23)
Select memory channels between 1 to 5 and indicate the
selected memory channel number.
•The selected memory channel number lights red.
•Memory channels 6 – 50 cannot be selected with these buttons.
Use the memory list screen to select these memory channels.
oMENU BUTTON [MENU]
Click to indicate the simple receiver menu to display/hide
the sub menu screen such as memory list screen.
•The information display automatically appears when the function
controller screen is selected.
•Menu screen
!0VOLUME BUTTONS [J]/[K](p. 16)
Adjust the audio output.
!1VOLUME INDICATOR(p. 16)
Indicates the audio output level.!2BUSY INDICATOR [BUSY]
Appears when receiving a signal or when signal noise
opens the squelch.
!3ATTENUATOR INDICATOR [ATT](p. 21)
Appears when the attenuator function is on.
!4AUTOMATIC NOISE LIMITER INDICATOR [ANL](p. 21)
Appears when the automatic noise limiter is on.
!5MEMORY BANK INDICATOR(p. 23)
Indicates the memory bank number.
!6MEMORY BANK NAME INDICATOR(p. 23)
Indicates the memory bank name (if it has one).
!7IF FILTER INDICATOR(p. 20)
Indicates the selected IF filter and signal passband width.
!8TUNING STEP INDICATOR(p. 18)
Indicates the frequency increment used when selecting a
frequency using the tuning dial and when searching for sig-
nals using a scan function.
!9TONE SQUELCH INDICATOR(p. 36)
Indicates the selected tone squelch frequency when the
tone squelch is on.
* When the mouse property is set for right-handed. 
						

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2PANEL DESCRIPTION
Function controller screen
qRECEIVE MODE BUTTONS [AM], [FM], [WFM](p. 18)
Select a receive mode.
wAUTOMATIC RECEIVE MODE BUTTON [AUT-M](p. 19)
Selects an automatic receive mode. This mode selects a
previously programmed receive mode automatically de-
pending on the receive frequency.
eTONE SQUELCH BUTTON [TSQL](p. 36)
Push to show or hide the [TONE SQUELCH] dialog box for
setting tone squelch frequencies.rSQUELCH UP/DOWN BUTTONS [SQLJ]/[SQLK]
(p. 20)
Adjust the squelch threshold level. The squelch removes
noise output from the speaker (closed condition) when no
signal is received.
tIF FILTER BUTTONS [NAR]/[WID](p. 20)
Push to change the IF filter in use. The [WID] button se-
lects a wider filter, the [NAR] button selects a narrower fil-
ter.
•Usable IF filters vary according to receive mode.
yATTENUATOR BUTTON [ATT](p. 21)
Push to turn the 20 dB attenuator on and off.
uAUTOMATIC NOISE LIMITER BUTTON [ANL](p. 21)
Push to turn the automatic noise limiter for receiving AM
signals on and off.
iFREQUENCY UP/DOWN BUTTONS 
[FREQJ]/[FREQK](p. 17)
Push to set the receive frequency with the selected tuning
step.
oTUNING STEP UP/DOWN BUTTONS [TSJ]/[TSK]
(p. 18)
Push to select the tuning steps.
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2PANEL DESCRIPTION
•Information displayDouble clicking the simple receiver also 
toggles the information display on/off. 
•Memory list screen
•Setting screen •Band scoop screen•Function controller screen
•Scan controller screen
Simple function receiver sub screens
The simple function receiver screen has an information display and 5 sub
screens for saving desktop space and performing various operation. The follow-
ing sub screens are available. 
						

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3BASIC OPERATION
Receiving
Make sure the hardware installation is finished. (p. 1)
DUsing the multi-function receiver screen
qClick [POWER] to turn power ON.
wClick the [VOLUME] control with the sub mouse button to
increase the audio level; click the [VOLUME] control with
the main mouse button to decrease the audio level.
•When clicking and holding the control, the audio level scrolls up
or down.•Pushing the PC’s [c] or [d] key also sets the audio level.
eSet an operating frequency and mode. (pgs. 17, 18)
rClick the [SQUELCH] control with the sub mouse button to
increase the squelch level (tight squelch); click the
[SQUELCH] control with the main mouse button to de-
crease the squelch level (loose squelch).
•When clicking and holding the control, the squelch level scrolls
up or down.
tWhen a signal is received:
➥Squelch opens and audio is emitted from the speaker.
➥The S-meter shows the relative signal strength.
DUsing the simple function receiver screen
qClick [PWR] to turn power ON.
wClick [MENU] and select the ‘Function Controller’when it
is not displayed.
eClick [VOLJ] or [VOLK] to set the desired audio level.
•When clicking and holding either button, the volume level scrolls
up or down.
•Pushing the PC’s [c] or [d] key also sets the audio level.
rSet an operating frequency and mode. (pgs. 17, 18)
tClick [SQLJ] or [SQLK] to set the desired squelch level.
•When clicking and holding either button, the squelch level scrolls
up or down.
yWhen a signal is received:
➥Squelch opens and audio is emitted from the speaker.
➥The S-meter shows the relative signal strength.
q Power switche Select mode
w Set volume
e Set frequency
r Set the squelch level