OTS-20 User’s Manual
（
1
）
Press
“
ENTER
”
to access the Talk Set menu
：
（
2
）
There are four functions available in Talk Set menu
：“
Reset
”、
“
Call
”、
“
Local
λ”
and
“
Remote
λ”。
Press
“↓↑”
to browse
the four functions
。
Press
“
ENTER
”
key to confirm the operation
。
（
3
）
Press
“
RESET
”
to re-establish the digital channel
。
If the digital
channel is successfully established, the LCD screen will be as
below:
（
4
）
Press
“
Call
”
to call the opposite party and make its telephone ring.
The LCD screen will be as below:
（
5
）
Press
“
Local
λ”
to display the unit’s laser wavelength.
7
