Prokit's Industries MT-4025 - Manual (Page 5)

③
Main display ⑧ Indicate main display to
show month: date of the
perpetual calendar.
④ Indicate main display is
CH1 or CH2 input.
⑨ Voltage unit.
⑤
Indicate memory has
been already full, stop
recording. Or indicate that
is inquiring percentage of
the memory has already
been used.
⑩ Current unit.
Battery power indicator and replacement:

The power of the battery indicated by the battery symbol
( )
 When the symbol ( ) display, the battery power is low,
please turn off the power and change CR2032 battery, in
order to keep measuring accuracy.
 When battery power is lower than maintaining recorder
normal operation, will shut-down automatically, until battery
change, could start the recorder again and normal operation
 While changing the battery, use a cross screwdriver to open
the bottom cover, change CR2032 battery from battery seat,
please pay attention to the battery seat and polarity of
CR2032 battery while changing, don’t mistaken.
 When the recorder is not used for a long time, please take out
the battery, prevent depositing in the high temperature, high
wet place.
4
 While changing battery, recorder will reset and enter
perpetual calendar set up function, if recorder is unable to
produce reset automatically, and unable normal operation,
please press Reset key with a screwdriver, let recorder
produce Reset and enter the perpetual calendar to set up
function.