Note. Storage battery is charged at ambient air temperature of plus 10 to plus 30 º
С
.
Failure to comply with this rule may reduce the storage battery life.
To charge the storage battery, connect the output plug of power unit from the
delivery set to the instrument jack socket. Plug in the power unit to the 220 V mains.
On instrument the storage battery charging process is displayed by filling the
miniature battery symbol on the display. Upon charging completion the miniature battery
symbol is full.
To charge fully discharged storage battery, 7-8 hours are required.
If instrument is not used for a long period, it is recommended to recharge the storage
battery once in three months.
Note. Standard storage battery is charged with 400 mA to 500 mA current. When
charging a storage battery with other rated capacity, check its temperature regularly, for
example, by touch. If the temperature grows fast, stop charging.
2.3 Operating the megohmmeter
Е
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To switch the instrument on / off press button
.
After the instrument is switched on and self-tested, its software version is first shown
on the display, then the instrument switches over to mode of measurement that preceded
switching-off.
Supply voltage level is shown as miniature battery symbol in the top right corner:
shaded area is proportional to the supply voltage. If the display shows a caption "Battery is
dead. Switching off
”
, and the instrument switches off (supply voltage is lower than 5.2...5.0
V), charge the storage battery according to item 2.2.2, replace the storage battery or
batteries according to item 2.5.
2.3.1 Control and Service Options (Menu) of the Instrument
To enter the display menu press and hold button
. The menu is context-
sensitive and depends on the current measurement mode. To scroll the menu, use buttons
and
, to edit the selected option (selected options are shown in inverted form) and
to confirm use button
.
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