Use and Care Guide

Pocket RefeRence Guide — 7
Mode Set-up Keys

Prefs — Use to
dene calculator modes.

1Ø — Sets calculator to
Single-Phase mode.

3Ø — Sets calculator to
Three-Phase mode.

Amb° — Enters ambient
temperature for nding
Wire Sizes.

Copper/Aluminum
(Cu/Al) — Toggles
between Copper and
Aluminum Wire.

Free Air (FrAir) — Sets
calculator to Free Air
mode.

60°C Wire Insulation —
Sets to 60°C Wire.

75°C Wire Insulation —
Sets to 75°C Wire.

90°C Wire Insulation —
Sets to 90°C Wire.
Electrical Keys

kilo- — Used to identify
“kilo-” values.