HP 181A POWER, Counter, HP 3458A, ALL: PASS, ALL: FAIL, Run Self Test, Recall (Utility), 4Press Enter key, Termination Check, Digital Multimeter

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Chapter 1 Performance Tests

HP 53131A/132A/181A Operational Verification

Run Self Test1Disconnect the input signals from the Counter.

2Power down (turn off the Counter), press and hold Recall (Utility) key, then press POWER key.

3Press Recall key until TEST: ALL ? is displayed.4Press Enter key.

Observe that ALL: PASS is displayed after the self test is completed.

If ALL: FAIL is displayed or a failure is indicated, refer to the troubleshooting section in Chapter 2, “Service,” of this guide.

5For HP 53131A/132A, mark Pass or Fail in the HP 53131A/132A Performance Test Record on page 1-41,Test 4.

5’ For HP 53181A, mark Pass or Fail in the HP 53181A Performance Test Record on page 1-71,Test 3.

Termination Check1Cycle the POWER key to preset the Counter.2Connect a digital voltmeter (DVM) to CHANNEL 1 as shown inFigure 1-2,and set it to measure ohms (set DVM to appropriate Ω range).

Counter	HP 3458A	BNC - to - Dual
	Digital Multimeter	Banana Plug

HP 53131A/132A is shown in above figure. This setup for the HP 53181A requires a connection to Channel 1 only.

Figure 1-2. Termination Check Setup

1-8 Assembly-Level Service Guide