Testboy TV 455 - Initial Settings

®
TV 450/455 Settings
23
4.2.2 Initial settings
In this menu the instrument settings and
measurement parameters and limits can be
set to initial (factory) values.
Figure 4.3: Initial settings dialogue
Keys:
TEST
Restores default settings.
Function selectors
Exits back to main function menu without changes.
Warning:
 Customized settings will be lost when this option is used!
 If the batteries are removed for more than 1 minute the custom made settings will
be lost.
The default setup is listed below:
Instrument setting Default value
Contrast As defined and stored by adjustment procedure
Isc factor 1.00
RCD standards EN 61008 / EN 61009
Language English
Commander Enabled
Function
Sub-function
Parameters / limit value
EARTH RE* No limit
R ISO No limit
Utest = 500 V
Low Ohm Resistance
R LOWΩ
No limit
CONTINUITY* No limit
Z - LINE Fuse type: none selected
VOLTAGE DROP ΔU: 4.0 %
Z
REF
: 0.00 Ω
Z - LOOP Fuse type: none selected
Zs rcd Fuse type: none selected
RCD RCD t
Nominal differential current: I
ΔN
=30 mA
RCD type: G
Test current starting polarity:
(0°)
Limit contact voltage: 50 V
Current multiplier: ×1