Reset Of The Instrument - METREL Eurotest 61557 User Manual

MI 2086 Eurotest

4.6. Reset of the instrument

If any malfunction is noticed when dealing with the Eurotest 61557, RESET function is
advised to be effected. In that case all settable parameters will be set to their initial
values; see the table below. Stored results will not be erased.
How to reset the instrument?
♦
Switch OFF the instrument.
♦
Press the F1 key and keep it pressed, while switching ON the instrument. Hard
Reset message will be displayed for a while meaning RESET function has been
completed and then initial function menu of selected function will be displayed.
All settable parameters will be set to their initial values; see the table below.
Parameter
Compensation of test leads
High limit value
Buzzer
High limit value
Test voltage
Low limit value
High limit value of
Breakdown voltage
Low limit value of
Breakdown voltage
Low limit value of
illumination
Time interval "hr"
Time interval "min"
Nominal differential current
Type of RCD
Limit Contact voltage
Multiplier of Nominal
differential current
Test current start polarity
Test current polarity
High limit value of Earth
Resistance
Distance "a"
Contrast
Baud Rate
Memory locations
Function
±200mA
R
±200mA
R
±200mA
R
CONTINUITY
R
ISO
R
ISO
varistor TEST
varistor TEST
SENSOR
ENERGY
ENERGY
All RCD functions
RCD Uc/R
All RCD functions
RCD t
RCD t
Z
LOOP
R
EARTH
R
EARTH
ρ
EARTH
Set-up
Set-up
Table 3. Initial values of settable parameters
ΔN
, t , AUTO
E
ΔN
ΔN, ΔN
I
, R (clamp)
EARTH
(two clamps)
86
Other operations
Initial value
Annulled
no limit
on
no limit
50 V
no limit
no limit
no limit
no limit
1hr
1min
10 mA
G (general), AC
50 V
× ½
positive (0°)
positive
no limit
2m
approx. 50%
9600 Baud
no effect