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test. The number of empty memory cells is displayed in
the right bottom corner of the display (see figure 1 and
figure 2).
After entering this menu item, user is offered to
press four times device buttons in the specified se-
quence.
To avoid casual removal of saved results, the
button pressing sequence, necessary for clearing
memory, varies for each time the device is connected to
a battery.
5.3.4. Options
This menu item is used to change device operat-
ing modes.
All adjustments are kept in the flash memory of
the device until their following change. Flash memory
holds its content without the need of a power supply.
Qulon-12ns adjustment is described in the fol-
lowing chapter of the manual.
6. Adjusting Qulon
Qulon-12ns is issued completely adjusted and
can be used for lead acid batteries diagnostics right
after purchases. By manufacture, Qulon-12ns is adjus-
ted as follows.
Save mode - by default.
Calibrating coefficient k=1.00.
Language of messages - English.
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Time – GMT+3
All sounds are on.
The user can change factory adjustments. It is
recommended to study the present manual before any
adjustment of Qulon-12ns.
6.1. Options menu
To change adjustments it is necessary to con-
nect Qulon to a battery or optional adapter and after the
device will estimate its capacity or will give out the mes-
sage, - press the top button (icon "M" - menu entrance)
to enter the main menu. In the main menu – press lower
button three times to note last menu item “Options” and
the top button to enter menu of adjustments.
The view of options menu is presented in figure
6.
Fig. 6.Options menu
Pressing lower button brings cursor to next line. Press-
ing upper button enters the menu item specified
Enter menu
item
Cursor
movement
Cursor