JDC Electronic SA Geos 11 - Manual (Page 21)

Date and Time
Display
21
upper block: day of the week
large block : date
middle block: month
lower block: time and year
+ seconds on the bargraph
Operation
The year is displayed by pressing briefly the button, release the
button, and the time is shown again. The seconds are marked on the
compass bargraph.
Calibration
Select the date and time screen (it flashes), then keep the button
pressed down. starts flashing on the upper block. Release the button
as soon as you access calibration. The settings are entered in the same
way as described under the ‘Starting up the Instrument’ Section.
Barometric Tendency
Display
upper block: indicates or / when viewed
large block : tendency (here variation within 24 hours)
middle block: time shift
lower block: 1. Instantaneous state (turned on for 5 sec)
or normal state (except when viewing
tendency); displays the current pressure
(QNH).
2. When viewing the tendency or by
pressing briefly the button, displays the
pressures recorded in the past. (Please
refer to examples below)
Operation
Exactly on the hour, every hour (09:00, 10:00, etc.), the instrument
records the current QNH value or extrapolates a QNH if there are sudden
pressure variations which indicate that it is in motion.