21
Press [ ] or [ ] to select the digit to be modified, and press [
▲
] or [
▼
] to modify
the value of the selected digit. After modification is completed, press [Enter] to make
the setting effective and press [ESC] to exit from the setup page.
The default value of End threshold is 5.00 dB.
Setting the Time
The time setup menu is used to modify the system time of the OTDR.
On the parameter setup page, press [
▲
] or [
▼
] to select Time. Press [Enter] to enter
or [ESC] to exit from the time setup page, as shown in Figure 3-18.
Figure 3-18 Setting the time
Press [ ] or [ ] to select the digit to be modified, and press [
▲
] or [
▼
] to modify
the value of the selected digit. After modification is completed, press [Enter] to make
the setting effective.
Recovering the Default Settings
You can recover the factory settings of some parameters on the OTDR. These parameters
include Distance range, Pulse width, Measurement duration, Reflection rate, and End
threshold. On the parameter setup page, press [
▲
] or [
▼
] to select Default. Press [Enter]
to enter or [ESC] to exit from the page for recovering default settings, as shown in Figure
3-19.
Figure 3-19 Recovering the default settings
Press [
▲
] or [
▼
] to select Yes or No, and press [Enter] to make the setting effective.