Low Battery Indication; High Voltage / Continuity Led; Description Of Press Buttons; Description Of Lcd Symbols - Martindale Electric ET5 Instruction Manual

3.2 Low Battery Indication

The battery capacity is shown by the
symbol is flashing followed by a LO.Bt display, the battery
If the
needs replacing as measurement accuracy can no longer be
guaranteed (See section 4.1 Battery Replacement).

3.3 High Voltage / Continuity LED

The LED will flash red when the voltage being measured is ≥ 30V
DC/AC rms, or the presence of a live voltage is detected when the
NCV function is selected. The buzzer will also sound.
The LED will illuminate green when the resistance being measured
is < 30Ω when the continuity function is selected.

3.4 Description of Press Buttons

Selects manual ranging
Turns on/off the backlight and LED torch
SEL/
A Selects alternate or additional functions
ZERO
Zeroes the DC 200A range
HOLD
Selects display hold

3.5 Description of LCD Symbols

APO
Auto power off is activated
Flashes to indicate the presence of >30V AC /DC
AC
Indicates AC measurement
symbols on the LCD.
Upper display
Lower display
5