Ametek 7124 Instruction Manual page 22

Chapter 2, INSTALLATION AND INITIAL CHECKS
2-6
17) Connect a BNC cable between the OSC OUT and A input connectors on the
front panel of the 7124 RCU.
18) Press the Menu key to return to Main Menu 1 and then press one of the keys
adjacent to the Main menu 2 item to enter Main Menu 2, shown below in figure
2-6.
19) Press one of the keys adjacent to the Fiber Calibration item to enter the Fiber
Calibration menu, show below in figure 2-7.
Figure 2-5, Main Display
Figure 2-6, Main Menu 2