VARON NT-4/VH03, Инструкция по эксплуатации

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8. Instructions for the Panel
Introduction to the display
Function buttons
1. Oxygen concentration
2. Timing & Total running time
3. Oxygen flow rate
Turn on the power switch, the display will show the total operating time
and enter the standby state.
ON/OFF
Gently touch the "ON/OFF" key, and the machine will start making
oxygen. The oxygen concentration value on the screen will gradually rise
to the corresponding value of the selected flow gear.
Flow button
Press the "Flow" button to adjust the oxygen concentration to your
prescribed level; the greater the gas flow, the lower the oxygen concentra
-
tion. There are seven flow levels: 1 liter, 2 liters, 3 liters, 4 liters, 5 liters, 6
liters, and 7 liters. The corresponding oxygen concentration percentages
are 90%, 60%, 45%, 40%, 35%, 30%, and 28%. Default flow rate in the
power off state is 1L. When the system is rebooted in standby mode, the
flow value set before will retain.
10
mins
1
L/min
2
3
4
5
6
7