Revision D 250 Series Maternal/Fetal Monitor 4-49
2020551-001
Maintenance: J102 Analog Output Connector DAC Static Test
2. Use the Trim Knob control to select the J102 softkey at the bottom of the screen.
The J102 screen displays. (See figure “J102 Analog Output Connector Screen”
on page 4-50.)
3. The
Range
and
Voltage
fields can be displayed using a decimal point or a comma
as a separator. Each activation of the
Decimal
softkey at the bottom of the screen
alternates between using a decimal and a comma.
4. Use the Trim Knob control to cycle through the available settings for each field.
The expected voltage for each J102 pin number changes accordingly.
Verification
For each pin, select a value in the Meaning field and measure the expected output.
Analog Ground
This field is not adjustable. Use J102, pin 3 as a ground when making measurements
on other pins.
HR1 and HR2
Use the Trim Knob control to select: – – – (0 bpm) or 30–240 bpm in increments of
1 bpm.
UA
Use the Trim Knob control to select from the full range of mmHg or kPa in
increments: mmHg ranges from 0-100 in steps of 1; kPa ranges from
0-13.3 in steps of 0.1 or 0.2 (based on rounding from mmHg).
HR1 Mode
Use the Trim Knob control to select: – – –, FECG, Off, US, or INOP.
HR2 Mode
Use the Trim Knob control to select: TEST, FECG, INOP, US, or MECG.
UA Mode
Use the Trim Knob control to select: – – –, INOP, Off, IUP, or TOCO.
Markout*, Check Paper*, FMD1, and FMD2
Use the Trim Knob control to alternate between On and Off.
NOTE:
Signal names followed by an asterisk (*) or slash (/) are active low.
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