Testboy TV 470, Operating Instructions Manual, Page: 47 / 160

Description
Testboy
®
TV 470 47
ENGLISH
Connection socket
GND Ground cable
R Resistance measurement
V+ Voltage measurement
PELV Protection low voltage measurement
I current measurement
Buttons
The operation of the button varies according to the menu position.
The current function of the underlying key is shown on the bottom line of the
display.
LED Indicators
LED 1 Green OK / Value within the directive
LED 2 Yellow Overrun (choose a larger range)
LED 3 Red Value outside of the directive
LED 4 Red Warning! Voltage on the connection socket V+
LED 1 and LED 3 Value can be OK but beware of the specifications.
The evaluation of the measurement data through LED1 and LED3
correspond only to the limits of the "normal" protection class-I de-
vices. The assessment is only considered to be as an aid. Refer to
the appendix of this manual or the relevant standard for the appli-
cable limits.