Agilent Technologies HP 8719D Service Manual page 250

Directional Coupler Check
1. For the HP 8719D/20D, set the output power to -10 dBm by pressing m
2. For the HP 8722D, set the output power to -15 dBm by pressing LMenu)
3. Connect a 3.5~mm (f) to 2.4~mm (m) adaptor to one end of the RF flexible
cable that is supplied with the tool kit.
4. Connect the RF flexible cable from the output of the A69 step attenuator
Note
To disconnect the rigid cable of the A69 step attenuator, it may
be necessary to disconnect addition rigid cables and loosen the
transfer switch.
5. Press LMeas) XW$T~ Pf@Tg
and measure the signal at the A sampler or press IMeas) .X&IT ~.:PlXtTS g
sampler. Compare the trace to Figure 8-2 for the HP 8719D/20D. For the HP
approximately 15 dBm. Further increase in power (5 dBm) would also be
expected for instruments equipped with Option 007.
A