Performance Tests 1
Keysight 53210A/53220A/53230A Assembly Level Service Guide 39
Counter setup
1 Connect the equipment as shown in Figure 1-3.
Figure 1-3 Absolute timebase test setup
2 Press the Preset key on the front panel to preset the counter.
–Display shows:
– Instrument has been preset.
– Channel 1 annunciator is lit.
3 Press the Trigger key.
– The following softkeys are displayed:
4 Press and set:
– Trigger Source: Manual
– Wait For Trig is displayed.
– Rdgs/Trigger: 100.
FS725
Rubidium
Timebase
CG635
Signal
Generator
Ch 1