Extech Instruments 470 - Manual (Page 4)

V5.0 5/04 4
Controls and Jacks
1. IR Thermometer and laser pointer
2. 4000 count LCD display
3. HOLD and Backlight button
4. SELECT
button
5. Function switch
6. mA, uA and A input jacks
7. COM input jack
8. Positive
input jack
9. RANGE hold button
10. RELATIVE button
11. Laser pointer button
12. Protective holster
Note: Tilt stand and battery compartment are on rear of unit.
Symbols and Annunciators
•))) Continuity
Diode test
Laser pointer
Battery status
Test lead connection
error
n nano (10 -9 ) (capacitance)
µ micro (10 -6 ) (amps, cap)
m milli (10 -3 ) (volts, amps) A Amps
k kilo (10 3 ) (ohms) F Farads (capacitance)
M mega (10 6 ) (ohms) Ω Ohms
Hz Hertz (frequency) V Volts
% Percent (duty ratio) REL Relative
AC Alternating current AUTO Autoranging
DC Direct current HOLD Display hold
ºF Degrees Fahrenheit ºC Degrees Centigrade