Agilent Technologies 53150A, Service Manual

Page: 26 / 111

Chapter 1 Performance Tests
Test 1: External Timebase Input Test
Assembly Level Service Guide 1-13
1
Figure 1-2. External Timebase Test Setup
4 Cycle the POWER button to preset the Counter.
5 Press the Shift key on the Counter’s front panel.
6 Press the Menu key on the Counter’s front panel.
7 If necessary, use the up- and down-arrow keys to cycle the display until it
reads
REF OSC> INT .
8 Press the right-arrow key once. INT begins to flash off and on.
9 Press the up- or down-arrow key once. INT changes to EXT .
10 Press the Enter key.
11 Press the Chan Select key once to select the CHANNEL 1 input connector.
Agilent
53150A/51A/52A
Counter
Agilent 3325A/B Synthesizer
Agilent 3325A/B Synthesizer
To Reference 10 MHz
Connector
(Rear Panel)
Output
Output
Channel 1