Philips Heartstart XLT, Service Manual

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Diagnostic Tests
2 - 20 Performance Verification and Safety Tests
To check the display:
1. Select
Display Test
and press .
2. The display should turn completely dark, then completely light, then a
black vertical bar should scroll across the screen from left to right.
3. The display should then show
Ambient Light Reading:
with a number.
Under bright office lighting the reading would typically be about 10 or 15.
Cover the ambient light sensor tightly with your finger; the reading
should decrease (to near 0).
4. The display will also show softkey labels for and
. Press each key and verify that the backlight on the dis-
play cycles on and off.
5. The display will also show a softkey label. Press this softkey
and verify that the indicators in the Manual keypad each light in turn.
To check the audio output:
1. Select
Audio Test
and press .
2. The screen will display Audio Test menu. Press the and softkeys
to move up or down the list to select the desired test. Then press
to begin that test.
Check the Shutdown Warning and the Voice Prompt; the other responses
are for reference. The results should be as described below.
Press
to end the test and return to the main audio test menu.
z
Message Alert
- a repeating series of 3 short tones, followed by a
pause.
z
Heart Rate Alarm
- 1 sustained tone of moderately high pitch.
z
Charge Done Tone
- 1 sustained tone of lower pitch than the Heart Rate
Alarm
z
Auto Disarm Warning
- a repeating series of 1 short tone and a pause
z
Shutdown Warning
- a repeating series of tones of alternating high/low
pitch
z
Voice Prompt
- the prompt is repeated 3 times, each time with increas-
ing volume. Voice should be clear and understandable.
ENTER
BACKLIGHT ON
BACKLIGHT OFF
TEST LEDs
ENTER
ENTER
CANCEL