Item

Control or Indicator

Function

1

ON

Toggles power on and off. Power–on illuminates the LED.

2

Lead Select

Selects PADDLES input or patient cable leads (STD, LEAD I, LEAD II, or LEAD III). Switches selected lead display to reverse video and advances to the next lead selection. Defaults to LEAD II at power–on unless PADDLES is specified in the Setup Menu.

3

Energy Select

Displays the energy selection range incrementally. Select LOW on the high range menu to display the low range selections from 0 to 9 joules. Select HIGH on the low range menu to display the high range selection from 0 to 360 joules. Selecting OJ inhibits energy charging. Pressing during charging or prior to energy transfer causes stored energy to discharge internally.

4

ECG Size

Changes the displayed ECG size to reverse video and increases or decreases the gain by one setting. ECG size is adjustable from 0.2cm/mV to 4.0cm/mV. Defaults to gain of X1.0 at power–on.

5

Charge

Initiates defibrillation charge cycle. Existing defibrillator status message is replaced with XXX JOULES CHARGING message, where XXX displays the stored energy as it ramps up to the selected value. LED flashes during charge. At charge completion XXX JOULES AVAILABLE message displays while LED remains on steadily.

6

SYNC

Activates sync mode message display and LED light. LEI) flashes with each QRS detection. Pressing SYNC again returns to defibrillate (asynchronous) mode and turns off the LEI).

7

Record

Toggles the recorder on and off.

8

CRT Display

No-fade CRT display. ECG trace moves from right to left.

9

QRS Indicator

Heart symbol flashes with each QRS detection.

10

Heart Rate

Displays digital QRS rate (20 to 300bpm).

11

Trace

No-fade display trace moves from right to left.

12

Lead Select Indicator

Display indicates lead selected.

13

Calibrated ECG Gain

Display indicates actual ECG gain selected.