Novametrix Medical Systems MARS PO2 TECH 2001, Руководство по обслуживанию

Страница: 32 / 85

Section 5
Functional Test Special Power Up Functions
26
Model 2001 Service Manual Rev. 01
a test. Perform the tests listed below, not all the test can be performed without specific test
fixtures and jumpers (therefore the Automatic Test cannot be run).
MONITOR TEST - 2 RAM Test
MONITOR TEST - 3 ROM checksum Test
MONITOR TEST - 4 Real Time Clock test
MONITOR TEST - 5 Audio Volume Test (use Dec and Inc keys to change volume)
MONITOR TEST - 6 Audio Frequency Test (use Dec and Inc keys to change frequency)
MONITOR TEST - 8 Keyboard Test (softkey #3 is the leftmost key, #2 is the second one in from
the left, #1 is the middle key)
MONITOR TEST - 9 Mains Detect Test (AC must be switched on/off from the rear panel power
switch)
13. After MONITOR TEST - 9 press quit, when prompted to leave the production test press Yes,
the monitor will reboot.
14. The procedure is complete, turn off the monitor by pressing the POWER button.
Special Power Up Functions
Each of the Model 2001 front panel pushbutton keys is linked to a special “hidden” power up
function. To initiate the special function, start with the monitor off and press a front panel key.
While still holding that key, press the
POWER
key to turn the monitor on.
AUDIO
= Software (EPROM) Revision Level
Turn the monitor on while holding the
AUDIO
key and the monitor’s software revision level is
displayed in the message center for as long as the
AUDIO
is pressed. Release the key and the
monitor continues with its normal power up sequence.
ALERT RESET
= Return to factory default settings
Turn the monitor on while holding the
ALERT RESET
key and the monitor resets all its control
settings (including alert limits, averaging times, etc.) to the factory default values. A
Parameters Reset To Factory Default
message is briefly displayed and the monitor
continues with its normal power up sequence. Note that the system date and time are not
affected by this action.
Softkey #1
= EPROM Checksum Test, Production Test Mode
Turn the monitor on while holding
Softkey #1
(the leftmost softkey) and the monitor calculates
and displays the checksum value of the EPROM containing the system software.
Softkey #2
=Extended Display and Watchdog Test
Turn the monitor on while holding
Softkey #2
(second from left) and all front panel indicators
and display segments illuminate for several seconds. The watchdog now resets the monitor
which should then execute its normal power up sequence. Note that the
indicator will
illuminate only if the monitor is being powered from the AC Mains.
Softkey #1 Softkey #2