MI 2892 Power Master
Operating the instrument
25
Memory list recall. Shown screen is recalled from instrument memory.
Flagged data mark. While observing recorded data this mark will indicate that
observed measurement results for given time interval can be compromised due to
interrupt, dip or swells occurrence. See section 5.1.17 for further explanation.
Signalling voltage is present on voltage line at monitored frequencies. See sections
3.13 and 3.21.4 for further explanation.
USB stick communication mode. In this mode selected record can be transferred
from microSD card to USB stick. USB communication with PC is disabled while in this
mode. See section 3.20 for details.
3.2
Instrument keys
Instrument keyboard is divided into four subgroups:
Function keys
Shortcut keys
Menu/zoom manipulation keys: Cursors, Enter, Escape
Other keys: Light and Power on/off keys
Function keys
are multifunctional. Their current function is
shown at the bottom of the screen and depends on selected instrument function.
Shortcut keys are shown in table below. They provide quick access to the most common instrument
functions.
Table 3.2: Shortcut Keys and other Function keys
UIf
Shows UIF Meter screen from MEASUREMENT submenu
PQS
Shows Power meter screen from MEASUREMENT submenu
Shows Harmonics meter screen from MEASUREMENT submenu
Shows Connection Setup screen from MEASUREMENT SETUP submenu
Shows Phase diagram screen from MEASUREMENT submenu
Hold
key for 2 seconds to trigger WAVEFORM SNAPSHOT. Instrument will
record all measured parameters into file, which can be then analysed by PowerView.
Set backlight intensity (high/low/off).
Hold
key for 2 s to disable/enable beeper sound signals.
Switch On/off the instrument.
Note: instrument will not power off if any recorder is active.
Note: Hold key for 5 seconds in order to reset instrument, in case of failure.
Cursor, Enter and Escape keys are used for moving through instrument menu structure, entering various
parameters. Additionally, cursor keys are used for zooming graphs and moving graph cursors.
F1
F2
F3
F4