YOKOGAWA AQ7260 OTDR, User Manual, Page: 97 / 442

Chapter 2 CHANGING SYSTEM SETTINGS
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4.
Press [ENTER].
The following window will appear.
5.
Enter a lockout code (4-digit code) as follows. In this example, “7260” is
entered.
5-1 Locate the cursor to “7” by using the rotary knob or [
W
] / [
X
].
5-2 Press [ENTER].
5-3 Locate the cursor to “2” by using the rotary knob or [
W
] / [
X
].
5-4 Press [ENTER].
5-5 Locate the cursor to “6” by using the rotary knob or [
W
] / [
X
].
5-6 Press [ENTER].
5-7 Locate the cursor to “0” by using the rotary knob or [
W
] / [
X
].
5-8 Press [ENTER].
5-9 Press the [F1](DONE) key.
The lockout code must be a 4-digit number.
Caution