H74.0.14.6C-05
Operating Manual GMH 3692
page 5 of 12
4.4 Anschlüsse
1.
Output:
Operation as interface for t he connection of
galvanically isolated adapters (accessories: GRS
3100, USB 3100)
Attention: The mode of operation has to be
configured (p.r.t Chapter 5) and influences the power
consumption.
2.
Sensor connection
MiniDIN
3.
Power supply:
d.c.connector (internal pin Ø 1.9 mm) for external 10.5-12V direct voltage supply
4.5 Display elements
1 = Main Display:
Possible displays:
Oxygen concentration in % (% O
2
Vol)
Oxygen partialpressure (hPa or mmHg)
(change with
-key)
2 = secondary
display:
Display of sensor temperature or absoute
pressure (alternating, please refer to Chapter
5.
L
c
D.2
)
Special elements:
3 = MIN/MAX/HLD:
Shows, if minimum/maximum/
memorized measuring value is in display
4 = ok-arrow:
Signals, if oxygen and temperature values
are stable
5 = CAL- arrow:
Signals, if automatic calibration is in
progress
6 = Logg - arrow
No function
7 = Warning sign:
Signals weak battery or other warning
message
Die restlichen Pfeile haben in dieser Gerätevariante keine Funktion
4.6 Pushbuttons
On / off key
Set/Menü
Press 2 sec.: (Menu): call configuration menu
Press shortly: Change the oxygen display unit
(please refer to chapter 5)
+
min/max when taking measurements:
press shortly: min. or max. measured oxygen value and
referring temperature and pressure values
will be displayed
press for 2 sec.: the min. or max. value will be deleted
Configuration
: to enter values, or change settings
Store/Enter
-
Measuring:
with Auto-Hold off: h
old and save current measuring value (‘HLD’ is displayed)
with Auto-
Hold on: start new measuring, It is finished , when “HLD’ shows in display
-
Set/Menu:
confirm settings, return to measuring
CAL
:
press shortly:
display of sensor state rating
press for 2 sec:
start sensor calibration
