C-10 Auto-Power Off function
1) The Meter equips with auto-power off function.
It will be in a sleep mode when it has been
oprated for 30 minutes. Power will be
automatically cut off.
2) Press the on/off switch two times to power up
again.
D Maintenance
The Meter is a highly precise electrical testing
instrument, do not attempt to change the circuit
of your Meter . Take a note of the following few
points:
1) Do not connect to DC Voltage above 1000V
or AC Effective Value Voltage above 750V
2) Do not input voltage when the rotary switch
is in “Current Range”, “
Ω
”,, “
”
3) Do not operate the Meter if battery is not inside
the Meter or bottom cabinet is not securely
screwed.
4) Disconnect the test leads and power off the
Meter before replacing the Battery and Fuses.
E. Accessories
1) A book of users manual
2) A pair of test lead
3) A piece of holster (if selected)
Model UT57: OPERATING MANUAL
15
