Page 1
BASEWEST Operating Manual Model TS-421 Test Set Escape Slide Lighting Systems PRELIMINARY RELEASE January 10, 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...
Page 2
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 charger.
Page 3
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 as shown in the image to the left, below. Test set activation is accomplished by either tapping the touchscreen or pressing the RED button. The test set is activated and ready for testing when the HOME screen, below middle, is illuminated.
Page 4
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.
Page 5
BASEWEST Operating & Maintenance Manual Model TS-421 Test Set Select Voltmeter Select Load NOTE: If the battery to be tested is not connected, or connected improperly, the test creates a quick three-pulse vibration, and a screen prompt “Connect Battery” appears indicating that battery connection is required.
Page 6
BASEWEST Operating & Maintenance Manual Model TS-421 Test Set Ammeter Mode (Light Harness Testing) Connect a light harness to the test set as follows: • If testing an individual light harness - Connect light harness directly to two polarized receptacles with pins in the connector block. Be sure to observe polarity;...
Page 7
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) •...
Need help?
Do you have a question about the TS-421 and is the answer not in the manual?
Questions and answers