4
5. NOMENCLATURE AND FUNCTIONS
ON
5
4
1 2 3
Sound Repeater
PM-20EV
REC
MONITOR
PLAY
USB
TALK
MIC IN
EXT
LINE
OUT
USB
H
C
E
LINE OUT
BUSY
DC IN 24V 200mA
CHIME
MIC
SPEAKER
ON
5
4
1 2 3
3: CHIME 1
4: CHIME 2
1: DELAY 2S
2: DELAY 4S
5: ALT/PTT
ENGINEERED IN JAPAN ASSEMBLED IN TAIWAN
ENGINEERED IN JAPAN ASSEMBLED IN TAIWAN
TOA Corporation
TOA Corporation
SOUND REPEATER
SOUND REPEATER
N29
N29
Tested to comply
Tested to comply
with FCC standards
with FCC standards
FOR HOME OR OFFICE USE
FOR HOME OR OFFICE USE
model PM-20EV
model PM-20EV
1
2
3
4
5
6
7
8
9
10
21 22 23 24
25
11
12
13
14 15 16
18 19
17
20
[Top]
[Rear]
[Bottom]
13
11.4.1. USB driver installation
Step 1.
Start the PC.
Step 2.
Insert the supplied CD-ROM into the PC's CD-ROM drive.
Step 3.
Check to be sure that the unit's power is switched OFF.
Step 4.
Using the supplied USB cable, connect the unit's front-mounted USB terminal to the USB terminal of
the PC or USB hub.
Step 5.
Switch on the power to the unit.
The following screen is displayed on the PC screen.
A few seconds later, the following screen is displayed.
After another few seconds, the following screen is displayed.
When the PM-20EV is in the following operating states, do not switch off its power nor insert or remove the
USB cable. PC operation may stop.
• While the driver software program is being installed.
• While the OS is being activated or terminated.
• During the course of being suspended or resumed.
• While data is being transferred between the unit and the PC.
Because PC operations could also freeze, avoid performing the following:
• Frequent ON and OFF power switching
• Frequent USB cable insertion and detachment
To use the USB function, correctly install the software programs in the PC.
Two software programs need to be installed: The USB driver and data transfer software programs.
Note:
Before operating, confirm the CD-ROM drive letter (such as E or F) of the PC to be used. The drive
letter is displayed near the CD-ROM icon in "My Computer."
11.4. Software Program Installation
11.3. Notes on Use of Software