11. Setup options
The Setup options allow the MFT to be configured to best suit the type of testing to which it will be used.
To enter Setup, right (secondary) range knob to Setup. Set the left (primary) range knob to any function other
than OFF. The display will show VER and the software version number. It will then change to the first message in the
list below:
Message Function Options Factory setting
RST Restore factory settings NO / YES NO
INS*
1
Insulation limit alarm – Buzzer sounds
if result is higher than limit set
0.5, 1, 2, 3, 4, 5,7, 10, 50,
100, 500 MΩ
1 MΩ
LOC Insulation test lock. ON / OFF ON
bUZ
Continuity limit alarm – Buzzer sounds
if result is below than limit set
0.5, 1, 2, 5, 10, 50, 100 Ω
2 Ω
ISC*
2
Continuity test current 15 mA / 200 mA 200 mA
REV Auto reverse continuity test ON / OFF OFF
looP Loop test lead compensation 0 – 0.3 ohms 0.07 Ω
LAS Loop test AUTO start ON/OFF OFF
L-PE 2Hi Enable/Disable high current loop test ON/OFF ON
L-PE 2Lo ON/OFF ON
RAS RCD AUTO start ON/OFF OFF
RRA*
3
RCD Ramp test
Nor = Normal, FST=Fast
Nor / FST Nor
UL Touch voltage limit 25 V / 50 V / 60 V 50 V
N –L Reverse Polarity Loop test enable
ON= Loop test allowed
OFF= Loop test stopped
ON/OFF OFF
OFF Auto switch OFF in minutes 2 m / 20 m 20 minutes
bAt Alkaline or NiMH selection 1.5 V or 1.2 V Depending on instrument
StR
Store mode
IN = Internal
Bt = Bluetooth
®
only
IN / bT IN
bt Bluetooth
®
pairing bt1, bt2, bt3, bt4, bt5 bt1
< > Searching for pair
INS*
1
is not available on MFT1815
ISC*
2
is not available on MFT1815
*3RRA is only available on MFT1800 series
To scroll down the options, press the
button. Each option will be is played in sequence.
To change the setting of each function, for example, INS limit alarm from 1 MΩ to 2 MΩ, use the right hand TEST
and LOCK keys (also marked with UP/DOWN arrows).
Changing an option will set the LOCK symbol and warning triangle flashing.
To save the change press the left LOCK button
To exit SETUP, turn the right range knob away from
All settings can be restored to the factory defaults by setting RST to YES. Saving this setting will reset all options to
default. The RST will then set back to NO.
www.megger.com MFT1800 series
53
Setup options