Product Manual
26 Controls, Display Window, and Connections Welch Allyn Spot Vital Signs LXi
Braun ThermoScan PRO 4000 Lock
Press the lock tab toward the Braun ThermoScan PRO 4000 thermometer until it clicks. To 
release the housing, insert the lock release pin into the lock release hole until the lock tab 
snaps back.
Figure 6. Spot LXi with Braun ThermoScan PRO 4000 Lock
Blood Pressure Hose and Cuff
Identify and have available the Spot LXi, blood pressure cuff, and the blood pressure hose.
1. Inspect the blood pressure hose; notice that one end has a single, gray connector 
fitting and the other end has two white fittings. 
2. Squeeze the side tabs on the gray connector and completely push the blood pressure 
hose connector into the blood pressure hose connection port until it clicks into place 
(see Figure 5 on page 25).
3. Twist the white connectors on the blood pressure hose and cuff connectors together.
Lock release hole
Lock release pin
Lock tab










