OTS-20 User’s Manual
5
．
Operating Instructions
5.1 On/off
（
1
）
Press
“
ON/OFF
”
key to turn it on
，
a menu will appear as shown
below
：
（
2
）
Press “ON/OFF” key to turn it off. The unit will turn itself off after ten
minutes of idle time.
（
3
）
The symbol on the bottom right corner.
（“√”
shows channel is
established
；“×”
shows channel has not been established
）
.
From the symbol ,you can start a conversation or wait for the
opposite party to turn its unit on
。
5.2 Main menu
（
1
）
After turning on the unit, the main menu will appear on the screen.
Press
“↓↑”
key to browse the menus and press
“
ENTER
”
key
to access the sub-menu
。
（
2
）
The main menu has the following two working mode
（
from top to
bottom
）：
Talk set and Light source
。
5.3
“
Talk Set
”
Working Mode
6
