Weems and Plath Electronic Barometer - Manual (Page 14)

14
The vertical axis corresponds to air pressure values in mb. One dash or one space
corresponds to 1 mb.
TIme INTerVal Zoom mB sCale
1 min 2 hours 8 mb
2 min 4 hours 10 mb
3 min 6 hours 16 mb
6 min 12 hours 20 mb
12 min 24 hours 20 mb
24 min 48 hours 30 mb
This function allows you to select the ZOOM on the chart screen with
a choice of 2 hours, 4 hours, 6 hours, 12 hours, 24 hours or 48 hours.
• Press the
Zoom
, button, xh fl ashes on the screen (x corresponding to the value of the
zoom selected.)
• Use the + - buttons to change the ZOOM value.
• Press on
oK
to confi rm.
The display is composed of a series of points.
Z
O
O
M
2
H
Z
O
O
M
4
H
Z
O
O
M
6
H
Z
O
O
M
12
H
Z
O
O
M
24
H
Z
O
O
M
48
H
When you select the ZOOM, your Electronic Barometer indicates in the selection screen:
• The number of horizontal points corresponding to 1 millibar (or InHg). Reminder: 1
millibar = 0,029InHg.
• The number of horizontal points corresponding to 1 hour.