Manual FLOW 38 Page 25 (total 54) COMAC CAL s.r.o.
FLOW 38 OPERATING INSTRUCTIONS
Basic button functions
The meter is provided with two external buttons on the side of the electronics housing and with three
internal buttons on the bottom of the measuring electronics PCB which is accessible after unscrewing
the front glazed cover.
Settings menu is enabled by a long press of the middle button (E)
under the cover glass. A long press of the upper button on the
lateral face of the display unit or a long press of the left (▲) button
under the cover glass have the same function.
Listing in menu can be carried out either with the lateral buttons or
with interior buttons after removal of the upper cover glass. The
function of lateral buttons is identical to that of outer buttons under
the cover glass.
The LEFT BUTTON is used for listing in menu upwards (▲),
after a long press, you will go over to settings menu. In settings
menu, it is used to increment a value.
The RIGHT BUTTON is used for listing in menu downwards
(▼), a long press is used to exit from setting menu. In settings
menu, it is used to decrement a value.
The MIDDLE BUTTON – a long press makes it possible to go
over to settings menu; in settings menu, it is used to confirm the value (ENTER - E).
Special button functions
A long double press of the outer buttons activates REBOOT (flow meter reinitialization).
A long triple press of the inner buttons initiates service communication interface. After initialization, you
will be asked for entering a password. If the password is not entered, the service interface will be available
for reading only.
Setting menu can be exited by a long press of the lower button on the lateral face of the display unit or by a
long press of the right button under the front glass. Besides, you can wait for TimeOut to return the flow
meter to its basic menu.
Password setting
FLOW38 meters have two levels of password, namely a user password and a production password.
USER PASSWORD makes it possible to change user parameters that have no influence on calibration of
the meter. It is a user configurable password whereas the default password value is 0000. The password is
required only at the first entry and it will become invalid after returning to basic display or within two minutes
of inactivity when the meter returns again to its basic display automatically.
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