Calculated Industries 5070-A Pocket Reference Guide - Manual (Page 7)

P
ocket
R
efeRence
G
uide
— 7
Mode Set-up Keys
 
prefs — Use to
define calculator modes.
 
1Ø — Sets calculator to
Single-Phase mode.
 
3Ø — Sets calculator to
Three-Phase mode.
 
amb° — Enters ambient
temperature for finding
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.