Table of Contents
Advertisement
3.3.6
Printer Test
The Low Battery indicator test is now complete.
The SRC-2 tester can be used to test the operation of the N-20PA printer and the
printer's user-control buttons. When an SRC-2 is plugged into the DB-9
connector, the N-20PA acknowledges any button press with an immediate beep
and the following display codes:
Button Press
On/Off
battery check
ON
ADV
D/D
combinations
1. Momentarily click the On/Off button: "9O" appears in (or shuts off) the
Oxygen Saturation display.
2. Press the battery-check button: "bAt" appears in the Oxygen Saturation
display.
3. Press the printer ON button: "On" appears in the Oxygen Saturation display.
A printer test pattern prints out; the following is an approximate example of
the test pattern:
Examine the test pattern to verify that all dots print with a uniform darkness.
Overall printout darkness can be adjusted; to adjust printer darkness, see
paragraph 0. If printout darkness is either irregular or dots are missing, contact
Mallinckrodt's Technical Services Department or your local Mallinckrodt
representative for assistance.
4. Press the printer ADV button: "Ad" appears in the Oxygen Saturation
display. The paper advances one line for each button press.
5. Press the printer D/D button: "dd" appears in the Oxygen Saturation display.
The SRC-2 printer test is now completed.
Display
9O
bAt
On
Ad
dd
Err
Performance Verification
3-15
Advertisement
Table of Contents
