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D Y N A - F O R M  M E R C U R Y A D V A N C E

5.1 Low / High Settings

The Dyna-Form Mercury Advance Mattress, in Alternating Mode, has two pressure settings.

The initial setting that the control unit will revert to upon set up is "Low". The "Low" comfort

setting is ideal for the lighter patient or those who feel discomfort when on a normal alternating

air type mattresses system. However, for patients with existing pressure damage or those at

Very High Risk, it is recommended that dependant on the clinical judgement of the clinician,

the "High" setting is activated by pressing the +/- button once, which is located on top of the

Control Unit.

In "High" Mode the Control Unit attains more of the characteristics of an alternating air mattress

system whilst still utilising the advantages of the static foam inserts. Repeatedly pressing the

'mode' button enables the Low & High modes to be selected in turn.

5.2 CPR Deflation

The CPR system consists of a manually operated button located on the Air Inlet connector

attached to the Control Unit. By pressing the Red Button, which will release the connector locking

system, the user can remove the connector unit which will deflate the mattress air system back to

that of a static foam mattress.

Note: After a short period as the Mattress deflates the 'Low Pressure' Audible Warning is

activated and can be cancelled by switching the Control Unit off.

5.3 Troubleshooting

For assistance (if needed) in setting up, using or maintaining the Mercury Advance System, or to

report unexpected operation or events, please contact Direct Healthcare Group on the contact

details on the reverse of this manual.

5.4 Fire Evacuation System (If Applicable)

The Dyna-Form Mercury Advance can be fitted with an optional fire evacuation system. In the

event of an evacuation occurring, the following steps should be taken to provide the safest

possible transport of the user:

1. The Dyna-Form Mercury Advance Fire Evac system has clearly marked instructions on the foot

and head for ease of use.

2. Open the zips at the shortest ends of the mattress (head end and foot end) to gain access to the

Fire Evac harness system.

3. Pull out harnesses from the mattress and remove the patient securing straps.

4. Place patient securing straps around both the mattress and the patient, adjust the straps

accordingly to ensure the patient is secure.

5. Drag both the mattress and the patient on the floor to an area of safety.

6. Transportation

To change the location of the mattress, remove the Umbilical Cord and allow the mattress

to return to its Static Mattress form. Switch off the Control Unit using the on/off switch and

disconnect the electrical supply cable from the mains socket. The mattress can now be moved

to a new location where it must immediately be reconnected to the mains electrical supply and

the Control Unit switched back on. Once the Mattress has been refilled, the 'Alternating' mode

will automatically revert back to the Low setting and should be reselected to High should this be

desired by the clinician.

Warning: The Mattress will not ' a lternate' when disconnected from Control Unit and /or the mains

electrical. Also, refer to environmental conditions section at rear of this manual.

D I R E C T H E A L T H C A R E G R O U P . C O M

U S E R M A N U A L

7. Warnings

Warning conditions are indicated by a flashing red display accompanied by an Audible Warning.

In each case the user should respond by turning the Control Unit's switch off and investigating the cause.

7.1 High Pressure Warning

This condition could be caused, for example by a kinked Umbilical Hose or visitors,

and others, sitting suddenly on the Mattress.

7.2 Low Pressure Warning

This condition could be caused, for example, by incorrect fitting of the air inlet connector,

opening of the CPR Valve or a leak in the Mattress due to a cut or puncture.

7.3 Mains Failure Warning

This condition may be caused, for example if Mains power is lost.

7.4 Alternating Mode Failure (no alternation)

This will be indicated by a warning LED on A and B and an Audible Warning.

1. Reset the warning – turn off Power and press the Audible Warning mute button.

2. Disconnect the air hoses to reduce pressure – reconnect when pressure has decreased.

7.5 Initialising Failure

This will be indicated by a warning LED on A, B and C and an Audible Warning.

1. Press the Audible Warning mute button to silence the Audible Warning.

2. Check the power cable is firmly plugged into the mains outlet and the Control Unit;

and check the mains power is switched on.

3. Check the Control Unit fuse (1 AMP) – fuses can be released using a screwdriver

to push and turn.

8. Maintenance Procedures

8.1 Safety Warning

Only qualified technicians trained or formally approved by Direct

Healthcare Group Ltd. in the operation and maintenance of

Direct Healthcare Group products may carry out maintenance,

modification or repair work on the equipment. Unqualified

personnel attempting to work on Direct Healthcare Group Control

Units risk serious injury to themselves and others and possibly

death by electrocution. Inlet fuse NOT to be replaced by operator

or patient, to be replaced by service personnel only.

Warning – Do not modify this equipment without

authorisation of Direct Healthcare Group.

8.1.1 Servicing

Direct Healthcare Group recommend that the control unit be

serviced annually from installation. The service light will illuminate

after 8760 hours of operation (one year of continuous operation).

The unit contains no user serviceable parts and should only be

carried out by persons as described in section 8. 1 .

D I R E C T H E A L T H C A R E G R O U P . C O M

DHG will make available on request all manuals, component parts

lists and other information necessary for any suitably qualified

person (As in 8. 1 ) to carry out repair or service the system. For

service, maintenance and any questions regarding this please

contact DHG.

8.2 Cleaning Procedures

Warning: Before cleaning the System make sure that the Control

Unit is disconnected from the mains electricity supply.

Do not immerse the Control Unit in water or other fluids.

Do not autoclave, nor use phenol for cleaning.

Do wash hands before commencing the cleaning process.

Wear appropriate protective clothing such as gloves, apron

and a mask.

Ensure all work surfaces are cleaned before and after contact

with the Mattress.