Puritan Bennett KnightStar 330 Specifications download pdf (Page 19)

▼/Delay/Ramp Button. This button is used to activate the Delay

feature. When Delay is activated, both inspiratory and expiratory

pressures will decrease to the Ramp Start pressure. The time of delay

can be set from 0 (no delay) to 30 minutes. After the delay time has

elapsed, pressure will slowly ramp up to the prescription pressures.

The Delay mode can be cancelled by again pressing the ▼/Delay/

Ramp button. Once activated, Delay can be restarted by again

pressing the ▼/Delay/Ramp button.

Control Panel

Indicators

The KnightStar 330 control panel features visual indicators (shown in

Figure 3) that illuminate in the presence of power and in response to

specific device or tubing circuit problems.

The presence of power, whether from A/C or external battery, is

indicated by an illuminated green LED.

Delay/Ramp Starts or stops the Delay/Ramp function. Press the ▼/Delay/Ramp

(Down Arrow/Delay/Ramp) button to start the Delay/Ramp function, if

inactive; press the ▼/Delay/Ramp button to stop this function, if

active.

Down Arrow Decreases a selected setting value when in Settings mode. Press the

▼/Delay/Ramp (Down Arrow/Delay/Ramp) button once to decrease

a setting value by one decrement.

Alarm

Silence

Mutes an active alarm. Press the

▲/Alarm Silence (Up Arrow/Alarm

Silence) button once to silence an active alarm for one minute.

Up Arrow Increases a selected setting value when in Settings mode. Press the

▲/Alarm Silence (Up Arrow/Alarm Silence) button once to increase a

setting value by one increment.

Display

Secondary

Screen

Displays and I:E ratio.

In AC or I/E mode, when the main display screen is shown, pressing

this button displays and I:E ratio if there are no active alarms.

Table 2. Control Panel Buttons (continued)

Symbol Name Function

Delay

Ramp

Alarm

Silence

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 67 68

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Puritan Bennett KnightStar 330 Specifications Page 19