TESTBOY TV 450
Display organization
18
RCD tripped-out during the measurement (in RCD functions).
Instrument is overheated. The measurement is prohibited until the
temperature decreases under the allowed limit.
Result(s) can be stored. (model TESTBOY TV 450 (TYPE B))
High electrical noise was detected during measurement. Results may
be impaired.
L and N are changed.
Warning!
High voltage is applied to the test terminals.
Warning!
Dangerous voltage on the PE terminal! Stop the activity
immediately and eliminate the fault / connection problem before
proceeding with any activity!
Test leads resistance in Continuity measurement is not compensated.
Test leads resistance in Continuity measurement is compensated.
High resistance to earth of test probes. Results may be impaired.
(model TESTBOY TV 450 (TYPE B))
3.4.4 Result field
Measurement result is inside pre-set limits (PASS).
Measurement result is out of pre-set limits (FAIL).
Measurement is aborted. Consider displayed warnings and messages.
3.4.5 Sound warnings
Continuous sound
Warning!
Dangerous voltage on the PE terminal is detected.
3.4.6 Help screens
HELP
Opens help screen.
Help menus are available in all functions. The Help menu contains schematic diagrams
for illustrating how to properly connect the instrument to electric installation. After
selecting the measurement you want to perform, press the HELP key in order to view
the associated Help menu.
Keys in help menu:
UP / DOWN
Selects next / previous help screen.
HELP
Scrolls through help screens.
Function selectors / TEST
Exits help menu.
