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BASEWEST Operating Manual Model TS-421 Test Set Escape Slide Lighting Systems February 15, 2023 BaseWest Inc. 4240 116 Ave N, Clearwater, FL 33762 Tel: 727 / 573-2700 • Fax: 727 / 573-4307 E-mail: hello@basewest.com www.basewest.com 25-60-45...
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Model TS-421 Test Set General Introduction The Model TS-421 test set is a rechargeable, handheld instrument designed specifically for testing airline escape slide lighting batteries and light harnesses. The configuration comprises a molded plastic enclosure with touchscreen, a removable protective cover with stand, and a universal 120/240charger.
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Test Connections / Connector Block Test Set Activation The TS-421 is OFF when the screen is dark and the RED press-to-test button is not illuminated. The test set is turned ON by pressing the RED button; the HOME screen with test mode selection, below, appears.
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BASEWEST Operating & Maintenance Manual Model TS-421 Test Set Internal Battery Status The charge status of the internal battery is monitored and read-out upon activation of the test set and whenever the touchscreen is active. A battery status icon is displayed in the top righthand corner of the screen indicating state of charge.
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BASEWEST Operating & Maintenance Manual Model TS-421 Test Set NOTE: If the battery under test is not connected, or connected improperly, pressing the RED button creates a three-pulse vibration, and a “Check Connection” prompt appears. Select the resistive load specified by the slide manufacturer’s CMM by scrolling through the loads with the left and right arrows.
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BASEWEST Operating & Maintenance Manual Model TS-421 Test Set Ammeter Mode (Light Harness Testing) Connect a light harness to the test set in one of two ways: If testing an individual lighting harness - Connect light harness directly to two polarized receptacles with pins in the connector block.
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Operating & Maintenance Manual Model TS-421 Test Set Care & Maintenance The TS-421 test set is a sensitive electronic instrument; it should be treated and protected with appropriate care. Damage from obvious abuse cannot be covered by warranty. Be particularly careful to protect the touchscreen from any physical damage (damage to the touchscreen is not covered by warranty).
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