Installation 3Keysight 85024A User’s and Service Guide 29Preparation for UsePower requirementsIf using the probe with an instrument that does not supply probe power, you canpurchase an 85024A-001 adapter cable assembly and one of the followingKeysight external power supplies:– E3620A– E3630A– E3631AYou need to ensure the correct setting of the power supply (+15 V and –12.6 V)per attached labels on the 85024A-001 adapter cable assembly.CAUTION Electrostatic discharge (ESD), excessive input signals, or mechanical shockcan dramatically degrade the performance of the probe. Be sure to observethe following precautions.– Never touch the tip of the probe!– Always hold the probe by the retracted metal sleeve.– Work at a workstation equipped with an anti-static mat.– Extend the protective sleeve when not actually taking measurements.– Wear an anti-static wrist strap and avoid introducing static electricity intothe device under test (DUT) or test setup.– Make sure the device under test (DUT) is at the same ground potential asthe probe.