Installation Guide
Connection to Rear Panel
Connection to Rear Panel
Figure 2-10
Connection to rear panel
Connecting Mouse and Keyboard
Before turning the power ON, connect the supplied mouse and keyboard as shown in
Figure 2-10. The mouse allows efficient setting and operation by moving the cursor on the
LCD display of the E4991A. The keyboard allows efficient entry of numerals and character
strings.
Connecting BNC Cable (Option 1D5 Only)
When Option 1D5 (High-Stability Frequency Reference) is installed, connect the BNC
cable between output terminal REF OVEN and input terminal EXT REF on the rear panel
of the E4991A in accordance with Figure 2-10. The BNC cable is supplied with Option
1D5. Installation of Option 1D5 increases the instrument's frequency accuracy and
stability.
Chapter 2
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