JDC Electronic SA Geos 11 - Manual (Page 11)

state. Releasing the button during the countdown, brings back the default
screen on the instrument.
Basic Measuring Mode
(Standard Screen)
Reminder: All the basic modes that are described hereafter are
available on the same screen ( standard screen), only the special
modes avail of a screen per mode (see relevant section).
The last measuring mode displayed on a block becomes the default
mode for this block; when you turn your instrument off and back on
again (instantaneous and normal states), the configuration of your
standard screen will be the same as that displayed when the instrument
was turned off.
General Use of Buttons
SELection Button: a brief push of the button selects a block of the
standard screen or a special screen, the block flashes when it is
selected (the selection/flashing time is 5 seconds). When settings
are entered or when looking at data, pressing it briefly makes it
possible to change the direction of the adjustment. As a rule,
pressing the button for 2 seconds will bring the standard screen
back up, allow to terminate a calibration, or exit the special menu.
By pressing it for a long time (3 seconds) in a flashing state it is
possible to access the settings of a number of values. If the
standard screen is normal (not flashing), pressing the button for a
long time will turn off the instrument.
LUMminosity Button: a brief push of the button switches on the
backlighting for 5 seconds, or turns it off if it is already on.
Pressing the button for 1 second turns on the backlighting for a
duration of 20 seconds. Activating a button when the backlighting
is on, keeps it on for another 20 seconds, this in order to stop it
from switching off while performing an adjustment for instance.
Pressing the button for a long time turns off the instrument.
MODification Button: a brief push of the button changes the
display of the selected block and gives access to the memories.
Pressing the button for a long time makes it possible to change the
unit of measurement of the selected block and reset certain values.
Pressing the button for a long time turns off the instrument.
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