5-20 Model 2790 SourceMeter® Switch System User’s ManualTest proceduresSingle stage inflator — Perform the Test Steps in Table 5-3.Dual stage inflator — Perform the Test Steps in Table 5-4.WARNING To prevent accidental detonation of the inflator, ALWAYS open allchannels in the test system at the beginning and end of each test.Table 5-3Test procedure – contact checks for single stage inflatorTest Step Command Sequence Front Panel Operation1) Reset 2790 andopen all channels.*RST Press SHIFT > press SETUP > select RESTORE:FACT.2) Select Ω2. SENS:FUNC ‘RES’ Press Ω2.3) Close channels totest HI contact.ROUT:MULT:CLOS(@101,114,118)Press CLOSE > select MULTI > select101 > select 114 > select 118 > press EXIT.4) Verify channelsthat are closed(optional).ROUT:MULT:CLOS? Press SHIFT > press CARD > select VIEW > selectSLOT1: 7751 or 7753. Press EXIT when finished.5) Performmeasurement.READ? Take reading from display.6) Open all channels. ROUT:OPEN:ALL Press OPEN > select ALL.7) Close channels totest housingcontact.ROUT:MULT:CLOS(@108,115,118)Press CLOSE > select MULTI > select108 > select 115 > select 118 > press EXIT.8) Verify channelsthat are closed(optional).ROUT:MULT:CLOS? Press SHIFT > press CARD > select VIEW > selectSLOT1: 7751, 7752, or 7753. Press EXIT whenfinished.9) Performmeasurement.READ? Take reading from display.10) Open all channels. ROUT:OPEN:ALL Press OPEN > select ALL.Test step notes:1. Resetting the 2790 opens all channels and selects the DCV function (auto range). For remote programming, *RST placesthe 2790 in the one-shot trigger mode. For front panel operation, FACT defaults places the 2790 in the continuous triggermode.2. This step selects the Ω2 measurement function of the Model 2790.3. This step closes the channels to make the connections for the HI contact test.4. This step is optional. Use it to verify that the correct channels are closed for the test.5. For remote programming, READ? triggers and requests a single reading.6. Always open all channels at the beginning and end of a test.7. This step closes the channels to make the connections for the housing contact test.8. This step is optional. Use it to verify that the correct channels are closed for the test.9. For remote programming, READ? triggers and requests a single reading.10. Always open all channels at the beginning and end of a test.