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Additional information

Due to the upgrading of the firmware, the following functions are added or changed after the printing of the supplied 
owner’s manual.

The “Volume Fine Adj” menu is added to “Sound 
Settings”.

Adjusting the volume from the 
Control Panel of the USB-connected 
PC (USB Vol. Adj.)

When a PC is connected to the system through USB, the 
microphone and speaker volume can be adjusted and 
muted in the “Sound and Audio Device Properties” 
window on the PC. For how to view the “Sounds and 
Audio Devices Properties” window, refer to steps 1 to 3 on 
page 9 of the supplied owner’s manual.

Enable

: When this system and a PC are connected 

through USB, the microphone and speaker volume can 
be adjusted and muted from the Control Panel.

Disable 

(default): When this system and a PC are 

connected through USB, the audio signals are input or 
output between them always at a constant volume. The 
display of this system displays an icon indicating this 
mode.

Using the keys on this unit

In the initial display, select “Menu” 

“Settings” 

“Sound Settings” 

“Volume Fine Adj” 

“USB Vol. Adj.”.

When adjusting the volume using the keys on this system after 
having adjusted it from the Control Panel of the PC, leave an 
interval of 2 seconds or more before pressing the keys on this 
system.

Adjusting the volume

The audio input volume from the microphones and the 
audio input/output volumes from/at the AUDIO IN/OUT 
terminals can be fine adjusted.
• Microphone: Fine adjustment of the input volume from 

the microphones of the system.

• Audio IN: Fine adjustment of the input volume from 

the AUDIO IN/OUT terminals.

• Audio OUT: Fine adjustment of the output volume at 

the AUDIO IN/OUT terminals.

Using the keys on this unit

In the initial display, select “Menu” 

“Settings” 

“Sound Settings” 

“Volume Fine Adj”.

y

• Use  the

   

and

   

keys to fine adjust each volume.

• Adjustment range: –12.0 dB to 12.0 dB (0.5 dB steps)
• Initial setting: 0 dB

Varying the volume setups may distort audio in certain operating 
environments. In this case, reduce the volume setting until the 
distortion disappears.

If your PC or TV conference system does not have the line 
input/output terminals, it can be connected to this system 
using the headphone output and microphone input 
terminals.

Connection

Prepare two commercially available audio connection 
cables (stereo mini-jack cables).

1

Connect the AUDIO IN jack of this unit to the 
headphone output terminal of the PC.

2

Connect the AUDIO OUT jack of this unit to 
the microphone input terminal of the PC.

3

Configure the “Volume Fine Adj” and 
“External Input/Output” menus.

Setting the “Volume Fine Adj” menu

Set the “Audio OUT” between –6.0 and –12.0 dB.

Using the keys on this unit

In the initial display, select “Menu” 

“Settings” 

“Sound Settings” 

“Volume Fine Adj” 

“Audio 

OUT”.

y

Use the

   

and

   

keys to fine adjust the volume.

PJP-100UH

F.W. 1.50

Volume fine adjustment features

Note

Note

Connection of the headphones 
output and microphone input 
terminals (page 12)

PJP-100UH_UCGB_FLIER.fm  Page i  Thursday, August 7, 2008  2:41 PM

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