Agilent Technologies HP 8719D Service Manual page 134

Figure 3-S. Frequency Accnracy Adjustment Setup
Note
Make sure that the frequency counter and network analyzer
references are NOT connected.
3. For Option lD5 Instruments Only: Remove the rear panel BNC to BNC
jumper that is connected between the "EXT REF" and the "10 MHz Precision
Reference," as shown in Figure 3-10.
n
For the HP 872OD, press L20) LG/n.
n
For the HP 8722D, press L26) CG/n.
n
346 Adjustments and Correction Constants
NETWORK ANALYZER
FREQUENCY COUNTER
and select the frequency: