767 Diagnostic System Operating Instructions Rev E

Table of Contents Warnings and Cautions... 1

Précautions et avertissements... 3

Mounting Instructions... 4

Operation... 5

Operating Instructions... 6

Clock Option... 7

Mounting the Third Handle Module... 9

Maintenance... 10

Cleaning and Repair... 10

Specifications... 11

Guidance and Manufacturer’s Declaration... 13

iii

Thank you for purchasing the Welch Allyn 3.5v 767 Wall Transformer. This manual is meant to provide product specifications and instructions for usage and maintenance. The instructions for use should be followed to ensure accurate and reliable service. The 3.5v 767 Wall Transformer carries a lifetime warranty against all manufacturing defects. The coiled cords carry a special 10 year warranty against breakage during normal usage.

Warnings and Cautions NO MODIFCATION OF THIS EQUIPMENT IS ALLOWED.

USE HOSPITAL-GRADE POWER INLET CORD ONLY.

REPLACE CLOCK BATTERY AS INSTRUCTED WITH Maxell 43 OR EQUIVALENT BATTERY. GREEN PILOT LIGHT INDICATES THAT THE POWER MAINS IS CONNECTED TO APPLIANCE. USE THIRD HANDLE MODULE (MODEL #76730) WITH WELCH ALLYN 3.5v 767 WALL TRANSFORMER ONLY. SERVICE TO BE PERFORMED BY AUTHORIZED WELCH ALLYN REPAIR DEPARTMENT ONLY. FUSE REPLACEMENT - TYPE T250, 250v SLOW BLOW 0.20 AMPERE (SHOULD BE REPLACED ONLY BY AUTHORIZED WELCH ALLYN REPAIR DEPARTMENT). CAUTION: DISCONNECT THE SYSTEM FROM THE MAINS SUPPLY BEFORE CONNECTING THE THIRD HANDLE (MODEL #76730). TO MINIMIZE THE EXTERNAL HOUSING TEMPERATURE OF THE INSTRUMENT HEAD, ON-TIME MUST NOT EXCEED 2 MINUTES, AND OFF-TIME MUST BE A MINIMUM OF 1O MINUTES.

1

CAUTION: ELECTROMAGNETIC INTERFERENCE RISK. THE DEVICE COMPLIES WITH APPLICABLE DOMESTIC AND INTERNATIONAL STANDARDS FOR ELECTROMAGNETIC INTERFERENCE. THESE STANDARDS ARE INTENDED TO MINIMIZE MEDICAL EQUIPMENT ELECTROMAGNETIC INTERFERENCE. ALTHOUGH THIS DEVICE IS NOT EXPECTED TO PRESENT PROBLEMS TO OTHER COMPLIANT EQUIPMENT OR BE AFFECTED BY OTHER COMPLIANT DEVICES, INTERFERENCE ISSUES STILL MAY OCCUR. AS A PRECAUTION, AVIOD USING THE DEVICE IN CLOSE PROXIMITY TO OTHER EQUIPMENT. IN THE EVENT THAT EQUIPMENT INTERFERENCE IS OBSERVED, RELOCATE THE EQUIPMENT AS NECESSARY OR CONSULT MANUFACTURER’S DIRECTIONS FOR USE.

2

Mounting Instructions Flat Side

Screw Hole Flanges

Fasten mounting plate to the wall with enclosed screws, making sure that the screw hole flanges face away from the wall and the smooth surface of the mounting plate is flush with the wall. Depending on the mounting surface, alternative screws may be needed. With the flat side of the plate on the mounting surface, level the plate as shown. Note that the plate should be mounted so that the widest portion of the plate is horizontal (as shown). When mounting screws are tightened, there will be a gap between the screw head and surface of the plate. BACKPLATE

TO POWER

Mount the unit by fitting the round holes in the backplate over screw heads on the wall mounting plate, then push downward on the unit to secure it to the wall. This slides the tapered slots in the backplate over the shoulders in the mounting plate. Plug into 120v, 60 Hz AC and unit is ready for use.

4

Operation ON/OFF SWITCH/ PILOT LIGHT

OPTIONAL CLOCK

3.5v INSTRUMENT HEAD

RHEOSTAT

THIRD HANDLE MODULE CLOCK FACEPLATE

HANDLE CRADLE

HANDLES

POWER CORD (3m)

Handles

Handles will accept any 3.5v Welch Allyn instrument head.

Rheostat

Located on each handle. Turn clockwise to increase light output, turn counterclockwise to decrease light output.

Handle cradle

Instrument lights automatically when handle is lifted from the cradle engaging the OptiSenseTM Optical Sensor. When handle is returned to the cradle the OptiSenseTM Optical Sensor is disengaged automatically turning the instrument off.

On-off switch/pilot light Clock Third Handle Module Power cord

Indicates the transformer is on (power mains is applied). Option on this model. Refer to page 7 for operating instructions. Option on this model. Refer to page 9 for mounting and operating instructions. Can be plugged into any 120v, 60 Hz outlet.

5

Operating Instructions Handles will accept any Welch Allyn 3.5v instrument head. After plugging power cord into any 120v, 60 Hz outlet, turn power switch to on position, illuminating the pilot light. With power switch in on position, instruments will automatically light when handles are lifted from the handle cradle and the OptiSenseTM Optical Sensor is engaged. Adjust rheostat on handle until desired light output is obtained. Turning rheostat clockwise increases light output, counterclockwise decreases light output. Note: Rheostat does not turn instrument completely off. Returning handle to cradle will disengage the OptiSense™ Optical Sensor and turn the instrument completely off.

RHEOSTAT

A built-in, automatic voltage regulator provides maximum illumination and lamp life. Instruments will automatically turn off when the handle is placed back in the cradle. The Welch Allyn 767 Wall Transformer can be turned off by simply turning the power switch to the OFF position. Pilot light alone draws current when instruments are not in use. When unit is not in use for more than a few hours, turn power switch to OFF position to ensure longer operating life. Unit can remain plugged in permanently. The clock is powered by a battery and will keep time when power switch is turned off.

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Clock Option START/STOP BUTTON

TIMER BUTTON

CLOCK MODULE REMOVAL TAB ON-OFF SWITCH/ PILOT LIGHT CLOCK BUTTON

Start/Stop button

Use this button to start and stop seconds count. Press once to start the seconds. Press again to stop seconds.

Clock button

Use this button to return from seconds mode to hour/ minute by pressing once.

Timer button

Use this button to change to seconds mode (timer).

Clock module removal tab

Pull forward to remove clock module and gain access for changing battery.

The clock, powered by a battery, operates separately from the main power supply. For this reason the time will be displayed when the main unit is turned off or unplugged from the wall power socket. Engage Seconds Mode: Press Timer Button to engage. Press Start/Stop button to begin seconds mode. Press the Clock button to return the Hour/Minute display.

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Change Time: The following steps should be followed when resetting the time: 1. Remove clock module by prying the clock faceplate from unit housing. 2. With clock in clock mode, press Start/Stop button for 5 seconds until time on clock begins to flash.

3. 4. 5.

Using Hour Set and Minute Set buttons on back of clock module, set time to correct values. Press Start/Stop button again to return clock to regular operation. Replace clock module into unit by lining up edges and pressing into main housing.

Change Clock Battery: 1. Remove clock module by prying the clock faceplate from unit housing. 2. Remove battery by pushing battery out of retaining sleeve. For best results, use a pen or pencil to pry against the faceplate housing wall. 3. Insert new battery. Welch Allyn recommends Maxell 43 or equivalent.

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Mounting the Third Handle Module A Phillips screwdriver is needed to connect the Third Handle Module. Mounting the Third Handle Module: 1. Disconnect main unit power supply. 2. Remove main unit from the wall by lifting up and out (instructions found on page 4 of this manual). 3. Attach stabilization bar to back of Third Handle Module (as shown using two enclosed star washers and screws). Step 3:

BACK OF THIRD HANDLE MODULE

Step 5:

STAR WASHERS

STABILIZATION BAR

BACK GROOVE

THIRD HANDLE MODULE

MAIN UNIT

STABILIZATION BAR

CONNECTION BLADES

4.

Line up the metal stabilization bar with the groove on the back of the main unit. Also, line up the connecting blades with the blade openings on the side of the main unit housing. 5. Slide Third Handle Module into the main unit until firmly in place. Step 6:

6. 7. 8.

Secure Third Handle Module in place (as shown using two enclosed star washers and screws). Place unit on the wall following the instructions found on page 4 of this manual and reconnect main unit power supply. Place instrument on third handle and lift from cradle. This will test for correct attachment.

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Maintenance Like any other piece of electrical equipment, periodic electrical inspections should be performed by qualified personnel. Welch Allyn recommends inspections every six months, more often if used under adverse conditions.

Cleaning and Repair Do not sterilize. May be cleaned by wiping with a dry cloth. Avoid using abrasive cleaning materials on clock faceplate.

CLOCK FACEPLATE

REPAIR: For all repairs, send unit to: Technical Service Department, Welch Allyn, Inc., 4341 State Street Road, Skaneateles Falls, New York 13153, or in the U.S.A. call 1-800-535-6663. Fax: 315-685-4653 (Technical Services). In Canada call: 1-800-561-8797. Fax: 905-890-0008.

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Specifications Model No.

76720 76710 76730

3.5v 767 Wall Transformer (two-handle model with clock, instrument heads not included). 3.5v 767 Wall Transformer (two-handle model without clock, instrument heads not included), 3.5v 767 Wall Transformer Third Handle Module (instrument heads not included).

Applied Parts: The handles (with heads attached) are considered to be applied parts. Power Cord: Input: 120v., 60Hz. (0.5A @ 120V) Supplied with two coiled cords, two handles, and power cord. Classification: Class I Leakage current is less than 10 microamps from any exposed metal part. Fuse: Replace with fuse specified on page 1 only. Weight: Weight with mounting plate is 4.5 pounds (2.04kg). (NOTE: This is weight without instrument heads.) Dimensions: H=4" (10.16cm) D=4” (10.16cm) W=12” (30.48cm)

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Approvals

IEC 60601-1, UL 60601-1, IEC 60601-1-2, CAN/CSA C22.2 No 601.1M90, AS/NZS3200 Type BF Applied Parts

Caution In this manual, indicates conditions that could damage equipment or other property. Warning In this manual, indicates conditions that could lead to illness, injury, or death. The CE mark on this product indicates it has been tested to and conforms with the provisions noted within the 93/42/EEC Medical Device Directive. Regulatory Affairs Representative Welch Allyn Limited Navan Business Park Dublin Road, Navan County Meath, Republic of Ireland Operating: Temperature Range Humidity Range

Atmospheric Pressure Range

104°F (40°C)

1060 hPa

95%

59°F (15°C)

700 hPa

15%

Transport/storage: Temperature Range Humidity Range

Atmospheric Pressure Range

120°F (50°C)

1060 hPa

95%

4°F (-20°C)

15%

700 hPa

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Guidance and Manufacturer’s Declaration EMC Compliance Special precautions concerning electromagnetic compatibility (EMC) must be taken for all medical electrical equipment. This device complies with IEC 60601-1-2. •

All medical equipment must be installed and put into service in accordance with the EMC information provided in this document.

•

Portable and mobile RF communications equipment can affect the behavior of medical electrical equipment.

This device complies with all applicable and required standards for electromagnetic interference. •

It does not normally affect nearby electronic equipment and devices.

•

It is not normally affected by nearby electronic equipment and devices.

•

It is not safe to operate this device in the presence of high-frequency surgical equipment.

It is a good practice to avoid using the device in extremely close proximity to other electronic equipment.

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Emissions and Immunity Information Electromagnetic Emissions

The device is intended for use in the electromagnetic environment specified below. The customer or user of the device should assure that it is used in such an environment. Emissions Test Compliance RF emissions

Group 1

The device uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment.

Class B

The device is suitable for use in all establishments, including domestic establishments and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes.

CISPR 11 RF emissions CISPR 11 Harmonic emissions

Electromagnetic Environment - Guidance

Class A

IEC 61000-3-2 Voltage Complies fluctuations/ flicker emissions IEC 61000-3-3

Electromagnetic Immunity

The device is intended for use in the electromagnetic environment specified below. The customer or user of the device should assure that it is used in such an environment. Immunity Test

IEC 60601 Test Level

Compliance Level

Electromagnetic Environment Guidance

Electrostatic discharge (ESD)

± 6 kV contact

± 6 kV contact

± 8 kV air

± 8 kV air

Floors should be wood, concrete, or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30%.

IEC 61000-4-2 Electrical fast transient/burst IEC 61000-4-4

±2 kV for power ±2 kV for power Mains power quality should be that of a supply lines supply lines typical commercial or hospital environment. ±1 kV for input/ ±1 kV for input/ output lines output lines

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Surge IEC 61000-4-5 Voltage dips, short interruptions, and voltage variations on power supply input lines.

±1 kV line(s) to line(s) ±2 kV line(s) to earth

±1 kV line(s) to line(s) ±2 kV line(s) to earth

Mains power quality should be that of a typical commercial or hospital environment.

>95% dip for 0.5 cycle

>95% dip for 0.5 cycle

60% dip for 5 cycles

60% dip for 5 cycles

30% dip for 25 cycles

30% dip for 25 cycles

Mains power quality should be that of a typical commercial or hospital environment. If the user of the device requires continued operation during power mains interruptions, it is recommended that the device be powered from an uninterruptible power supply or battery.

>95% dip for 5 seconds

>95% dip for 5 seconds

3 A/m

3 A/m

IEC 61000-4-11

Power frequency (60Hz) magnetic field

Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment.

IEC 61000-4-8

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Electromagnetic Immunity

The device is intended for use in the electromagnetic environment specified below. The customer or user of the device should assure that it is used in such an environment. Immunity Test

IEC 60601 Test Level

Compliance Electromagnetic Environment - Guidance Level Portable and mobile RF communications equipment should be used no closer to any part of the device, including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter. Recommended separation distance

Conducted RF IEC 61000-4-6

3 Vrms 150 kHz to 80 MHz

3 Vrms d = (1.2) P 150 kHz to 80 MHz

Radiated RF IEC 61000-4-3

3 V/m 80 MHz to 2.5 GHz

3 V/m 80 MHz to 2.5 GHz

d = (1.2) P 80 MHz to 800 MHz d = (2.3) P 800 MHz to 2.5 GHz where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer and d is the recommended separation distance in metres (m). Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey,a should be less than the compliance level in each frequency range.b Interference may occur in the vicinity of equipment marked with the following symbol:

Note 1: At 80 MHz and 800 MHz, the higher frequency range applies. Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects, and people.

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a

Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the device is used exceeds the applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the device.

b

Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

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Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and the device

The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or user of the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the device as recommended below, according to the maximum output power of the communications equipment. Separation Distance According to Frequency of Transmitter (m) Rated Max. Output Power of Transmitter (W)

150 kHz to 80 MHz

80 MHz to 800 MHz

800 MHz to 2.5 GHz

d = (1.2) P

d = (1.2) P

d = (2.3) P

0.01

0.12

0.12

0.23

0.1

0.38

0.38

0.73

1

1.2

1.2

2.3

10

3.8

3.8

7.3

100

12

12

23

For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer. Note 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies. Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects, and people.

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Welch Allyn, Inc. 4341 State Street Road PO Box 220 Skaneateles Falls, NY 13153-0220 U.S.A. Telephone: 800-535-6663 or 315-685-4100 Fax: 315-685-3361 Part No. 705219 Ver. E

Printed in U.S.A.