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46 Calibration Welch Allyn Propaq CS Vital Signs Monitor
Recharger supply adjustments
1. Verify that the monitor power switch is off.
2. Disconnect the battery connector from P12 on the Recharger Board (see below).
3. Disconnect P8 from the Digital Board (see below).
Figure 1. Disassembled front chassis and disconnection locations
4. Connect the 4.9Ω test load (see “Manufacturable test equipment” on page 135) to
the battery connector (P12).
5. Set the power supply output to 15.0 V dc.
6. Attach the dc power adapter cable to the variable dc power supply as shown in the
figure below.
7. Connect the adapter cable to the monitor’s dc input jack.
Caution Adjustment of RP3 in step 12 on page 47 sets an overvoltage limit
which, if misadjusted, can cause fuse F1 (on the right side panel) to open. If you
suspect that RP3 has been misadjusted, turn it fully clockwise before connecting
power to the dc input jack on the Propaq CS monitor.
P5
P6
P7
P8
P1
P9
P3
P2
P11
P10
P12
P15
P8
P12
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