A7™ Operating Instructions 046-004667-00 3 - 37
System Interface General Tab
After cycling power, the breathing system warmer will return to the default state.
NOTE: The breathing system warmer is inactive when the A7 is
powered by the battery supply.
Zero Flow Meters
To zero the flow meters, select the Zero Flow Meters button. Follow the on-screen instructions and
prompts. Note that information for the last zeroing of the flow meters is displayed beside the button.
NOTE: Before zeroing the flow meters, make sure to disconnect the
gas supply (O
2
, N
2
O, Air).
Gas Bench Flow Rate
Set Gas Bench Flow Rate to High, Med or Low (default).
Balance Gas
Set Balance Gas to None, N
2
O or AIR (default).
Fresh Gas Control
Set Fresh Gas Control to Direct Flow or Total Flow (default).
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