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9-4 Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual 9-5

REPLACING THE BATTERIES

■ Before installing or removing the battery, make sure the AC power cord is removed

and power to the Pulse CO-Oximeter is turned off.

To replace the Handheld battery, follow these instructions:

1. Turn the Radical-7 Pulse CO-Oximeter Handheld off and remove the patient cable

connection. Detach the Radical-7 Pulse CO-Oximeter Handheld from the Docking

Station (if docked).

2. Loosen the closure screw on the battery compartment door and lift out the battery.

3. Take a new battery, and place it in the compartment.

4. Tighten the closure screw.

5. Place Handheld into Docking Station, turn on line power and charge battery according

to this Section, Battery Operation and Maintenance.

CAUTION: FOLLOW LOCAL GOVERNING GUIDELINES FOR PROPER DISPOSAL

OF INTERNAL BATTERIES. DO NOT INCINERATE.

WARNING: THE DOCKING STATION BATTERY SHOULD BE INSTALLED AND/

OR REMOVED FROM DOCKING STATION BY QUALIFIED

PERSONNEL ONLY.

REPLACING THE FUSES

Should a power problem blow one or both of the fuses in the power entry module on the

rear panel, the fuse(s) will need to be replaced.

To replace the fuse(s), you will need a flat-blade screwdriver (5mm; 3/16”).

To replace the fuses:

1. Disconnect unit from AC power.

2. Remove AC power cord from the power entry module at the rear of the docking sta-

tion.

3. Use the small flat-blade screwdriver and gently pry loose the fuse cover in the left

portion of the power entry module, exposing the fuse holder.

4. Using the small flat-blade screwdriver, gently pry out the fuse holder.

5. Note how the fuse(s) are placed in the fuse holder for installation of the new fuse(s).

6. To remove the fuses from the fuse holder, use the edge of the screwdriver blade to

pry against the bottom of the metal portion of the fuse where it is secured to the glass

portion of the fuse.

7. Place the fuse(s) (1 Amp, Metric, fast acting, 5x20mm, 250V) in the fuse holder,

properly orienting the fuse(s).

8. Slide the fuse holder back into the power entry module and press firmly to make sure

it is completely seated.

9. Close the fuse cover and press gently until it seats completely, flush with the back of

the docking station.

10. The unit is ready to be reconnected to AC power.

NOTE: If the fuses blow shortly after replacement, the unit requires service.

WARNING: FIRE HAZARD: TO PROTECT AGAINST FIRE HAZARD, REPLACE

ONLY WITH FUSES OF THE SAME TYPE, CURRENT RATING, AND

VOLTAGE RATING.

Performance verification

To test the performance of the Radical-7 Pulse CO-Oximeter following repairs or during

routine maintenance, follow the procedure outlined in this section. If the Radical-7 Pulse

CO-Oximeter fails any of the described tests, discontinue its use and correct the problem

before returning the unit back to the user.

Before performing the following tests place the Radical-7 Pulse CO-Oximeter Handheld

into the Docking Station, connect the Radical-7 to AC power and fully charge the Radical-7

Pulse CO-Oximeter Handheld battery. Also disconnect any patient cables or pulse oximetry

probes, as well as SatShare, serial or analog output cables from the instrument. Set the

Radical-7 Pulse CO-Oximeter to normal operating mode by selecting the Home Use param-

eter in the General Menu to “No”.

service / maintenanceservice / maintenance

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