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Table of Contents - Covidien

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The MENU key<br />

NOTE:<br />

When VCV is the current or proposed breath type and there<br />

are no active or autoreset alarms, the ventilator displays one<br />

<strong>of</strong> the following messages on the first line <strong>of</strong> the message<br />

window:<br />

VCV RAMP FLOW<br />

VCV SQUARE FLOW<br />

6.4.6 Speaking valve setup<br />

700 Series Ventilators now <strong>of</strong>fer a speaking valve option for use with<br />

one-way valves that allow patients to speak. Because exhaling<br />

through a speaking valve affects the accuracy <strong>of</strong> any exhaled volume<br />

measurements, the ventilator monitors delivered (instead <strong>of</strong> exhaled)<br />

volume to detect the LOW TIDAL VOLUME and HIGH TIDAL VOLUME<br />

alarms, and turns <strong>of</strong>f the LOW MINUTE VOLUME and DISCONNECT<br />

alarms. Once the speaking valve option is enabled, it remains in effect<br />

until you disable the option, the ventilator is turned <strong>of</strong>f, the ventilator<br />

exits standby mode, a ventilator inoperative condition occurs, or any<br />

other reset condition occurs.<br />

700 Series Ventilator Operator’s Manual 10066984 Rev. D 6-11

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