G 1690 / G 1690T Safety | 2
B-H86.0.31.DK2-1.0 7 / 20
For the MOD display, only air and NITROX mixtures with an oxygen concentration be-
tween 20.9 ... 36.0 vol. % O
2
may be used as dry gases!
_
For safe measurements, the function of the sensor and device must be checked
regularly:
- Regular calibration on ambient air (20.9 vol. % O
2
) in accordance with the instruc-
tions
- In the case of higher oxygen values, check the function with a known gas concentra-
tion, preferably in the area of the gas to be measured (e.g. pure oxygen, NITROX50
or similar, "bump test")
_
The MOD function (calculated maximum operating depth for diving) is designed only
for use in recreational diving from 20.9 to 36.0 vol. % O
2
.
It does not replace necessary calculations and application of the rules for planning and
performing a safe dive according to NITROX training.
_
The MOD function is not designed for depth calculation of gas mixtures other than
those mentioned above (no "tech-diving", NITROX50, TRIMIX, …).
Any use of the de-vice in this area requires appropriate training and additional safety
measures.
The device is only intended for use within the region of the European Union (EU).
2.5 Qualified personnel
For commissioning, operation and maintenance, the relevant personnel must have
adequate knowledge of the measuring process and the significance of the measure-
ments. The instructions in this document must be understood, observed and followed.
In order to avoid any risks arising from interpretation of the measurements in the
concrete application, the user must have additional expertise. The user is solely liable
for damages/danger resulting from misinterpretation due to inadequate expertise.
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