Unitron Gemscope 3075-GS Manuel utilisateur

73 Mall Drive, Commack, NY 11725 • 631-543-2000 (P) • 631-589-6975 (F)

www.unitronusa.com • [email protected]

Gemscope

MANUAL

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 2

CONTENTS

SAFETY NOTES ..................................................................................................................3

REPAIR, CARE AND MAINTENANCE.................................................................................4

INTRODUCTION..................................................................................................................5

UNPACKING AND COMPONENTS.....................................................................................5

COMPONENTS DIAGRAM ..................................................................................................5

ASSEMBLY.......................................................................................................................6-8

ADJUSTMENT AND OPERATION..................................................................................9-11

REPLACING THE ILLUMINATOR LAMPS....................................................................12-13

TROUBLESHOOTING........................................................................................................14

MAINTENANCE..................................................................................................................15

SERVICE............................................................................................................................15

WARRANTY.......................................................................................................................15

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 3

SAFETY NOTES

1. Open the shipping carton carefully to prevent any accessory, i.e. objectives or eyepieces, from

dropping and being damaged.

2. Keep the instrument out of direct sunlight, high temperature, humidity, and dusty environments.

3. If any specimen solutions or other liquids splash onto the stage or any other component, disconnect

the power cord immediately and wipe up the spillage. Otherwise, the instrument may be damaged.

4. LAMP REPLACEMENT -- CAUTION: the glass housing of the lamp may be extremely

hot. DO NOT attempt to change the lamp before it is completely cooled or without

wearing adequate skin protection.

5. All electrical connectors (power cord) should be inserted into an electrical surge protector to prevent

damage due to voltage fluctuations.

6. FUSE REPLACEMENT -- For safety when replacing the fuse (ONLY replace with the

same size, type and rating of original fuse), be sure the main switch is in the off position,

disconnect the power cord from outlet, and replace the fuse. Reconnect the power cord

and turn unit on.

7. Confirm that the input voltage indicated on your Gemscope corresponds to your line voltage. The use

of a different input voltage other than indicated will cause severe damage to the Gemscope.

NOTE: Always plug the Gemscope power cord into a suitable grounded electrical outlet.

A grounded 3-wire cord is provided.

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 4

REPAIR, CARE AND MAINTENANCE

Gemscope Repair

Technical Support and Repair Instructions

for the UNITRON Gemscope Base and

Gemscope Stereo Head:

1. If the UNITRON Gemscope Base or

Gemscope Stereo Head is not working, or

if Technical Support is needed, call

UNITRON at 888-289-2228 (8:30-5:30 EST)

and ask for Technical Services. They will

attempt to troubleshoot the problem over

the phone with you.

2. If it is determined that they cannot handle

the problem over the phone and the

Gemscope Base or Gemscope Stereo

Head needs to be returned to them for

service, UNITRON will issue a RMA (Return

Materials Authorization) number over the

phone. Save this RMA#.

Ship UPS Ground to UNITRON at:

UNITRON

RMA# (Insert RMA# here)

Attn: Technical Service Department

73 Mall Drive

Commack, NY 11725

631-543-2000

Do not attempt to disassemble any

component including eyepieces, objectives

or the focusing assembly.

Keep the instrument clean; remove dirt and

debris regularly. Accumulated dirt on metal

surfaces should be cleaned with a damp

cloth. More persistent dirt should be

removed using a mild soap solution. Do not

use organic solvents for cleansing.

The outer surface of the optics should be

inspected and cleaned periodically using an

air bulb. If dirt remains on the optical surface,

use a soft, lint free cloth or cotton swab

dampened with a lens cleaning solution

(available at camera stores). All optical

lenses should be swabbed using a circular

motion. A small amount of absorbent cotton

wound on the end of a tapered stick makes a

useful tool for cleaning recessed optical

surfaces. Avoid using an excessive amount

of solvents as this may cause problems with

optical coatings or cemented optics or the

flowing solvent may pick up grease making

cleaning more difficult.

Store the instrument in a cool, dry

environment. Cover the Gemscope with the

dust cover when not in use.

UNITRON®Gemscopes are precision

instruments which require periodic servicing

to maintain proper performance and to

compensate for normal wear. A regular

schedule of preventative maintenance by

qualified service personnel is highly

recommended. Your authorized UNITRON®

distributor can arrange for this service.

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 5

INTRODUCTION

Congratulations on the purchase of your new UNITRON®Gemscope. UNITRON®Gemscopes are

engineered and manufactured to the highest quality standards. Your Gemscope will last a lifetime if used

and maintained properly. UNITRON®Gemscopes are carefully assembled, inspected and tested by our

staff of trained technicians in our New York facility. Careful quality control procedures ensure each

Gemscope is of the highest quality prior to shipment.

UNPACKING AND COMPONENTS

Your Gemscope arrived packed in a molded shipping carton. Do not discard the carton: the shipping

carton should be retained for reshipment of your Gemscope if needed. Avoid placing the Gemscope in

dusty surroundings or in high temperature or humid areas as mold and mildew can form. Carefully

remove the Gemscope from the shipping carton and place the Gemscope on a flat, vibration-free

surface.

COMPONENTS DIAGRAM

Focusing Knobs

10x Eyepieces

Stereo Head

Stand

Top Fluorescent

Illuminator

Stoneholder

Main Switch

Magnification

Selection Knob

Base

Brightness Adjustment Knob

(Bottom Illuminator)

LED Illuminator

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 6

ASSEMBLY DIAGRAM

The diagram below shows how to assemble the various components. The numbers indicate the order of

assembly.

When assembling the Gemscope, make sure that all parts are free of dust and dirt, and avoid scratching

any parts or touching glass surfaces.

Stereo Head

Lock Screw

Power Cord

Eyepieces

Fluorescent

Illuminator

Gem Clamp

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 7

DETAILED ASSEMBLY

Mounting the Stereo Head (Fig. 1)

Loosen the lock screw on the stand and insert

the stereo head into the bracket of the stand.

Tighten the lock screw to secure the stereo

head.

Installing the Eyepieces (Fig. 1)

Remove the eyepiece dust caps and insert

the eyepieces until they stop as shown

in Fig. 1.

Installing the Stoneholder (Fig. 2)

The stage has two stoneholder mounts on

either side of the stage where you can attach the

stoneholder 

Fig. 1

Fig. 2

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 8

DETAILED ASSEMBLY

(continued)

Installing the Fluorescent

Overhead Light (Fig. 3)

Connect the overhead fluorescent light to the front

of the stage by lining up the male and female holes

on the snap connector .

Once connected, slide the securing threaded

connector into place. Hand-tighten the connector .

If possible, it is recommended to further tighten the

connector by using rubber tipped pliers. This will

ensure that the gooseneck will not loosen and rotate

as the overhead fluorescent light is being used.

Installing the Optional LED Light (Fig. 3A)

Remove the plastic cap covering the opening to the

LED socket. Insert the LED light guide into the

socket and seat it as deeply as possible.

The LED light may be varied in intensity by adjusting

the intensity dial labeled “Reflected”on the side of

the Gemstand.

Fig. 3A

Fig. 3

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 9

ADJUSTMENT & OPERATION (continued)

Rotating the Base (Fig. 4)

Rotate the Gemscope to a suitable position for viewing

comfort by gently pushing the base .

Adjusting the Tilt of the Stand (Fig. 4)

The tilt of the stand is adjustable by holding down the

front of the base with one hand, and taking hold of

the bracket with the other hand and then pushing or

pulling the bracket to obtain the most comfortable

viewing position. The stand can be adjusted from 0-

38º.

Adjusting the Rotation Tension

Of the Focus Adjustment Knob (Fig. 5)

To adjust tension, hold both left and right focus

adjustment knobs with both hands, hold the left

knob (to prevent it from turning), and rotate the right

knob clockwise to increase (tighten) or

counterclockwise to decrease (loosen) the focus knob

tension.

After tension adjustment has been completed, always

rotate both adjustment knobs in the same direction.

Adjusting Interpupillary Distance (Fig. 6)

Different users have different interpupillary distances

(this distance is between the centers of the pupils of

each eye). When the operator changes, it will be

necessary to adjust the interpupillary distance.

While looking through the eyepieces, hold the left 

and right eyetubes of the viewing head and adjust

the eyetubes by opening or closing them until the left

and right fields of view coincide completely and you

are able to see a complete circle.

Fig. 5

Fig. 6

Fig. 4

GEMSCOPE

UNITRON® 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 10

ADJUSTMENT & OPERATION

(continued)

Adjusting the Diopter Ring (Fig. 7)

Close the baffle by turning the baffle control

knob clockwise, and close the iris diaphragm

by turning the iris diaphragm control lever 

clockwise.

Set the diopter rings of both eyepieces to the

“0” position (do this when users change,

because different users have differing diopters).

Rotate the magnification selector knob to 3x,

and rotate the focusing knob to focus on the

iris diaphragm.

Rotate the magnification selector knob to the 1x

magnification position and adjust the diopter

ring on left eyepiece to focus the specimen –

repeat for the right eyepiece.

Adjusting the Bottom Illumination (Fig. 8)

Plug the GEM base into a 110v power supply

outlet.

Turn the main switch to the “I” (on) position,

and rotate the brightness adjustment knob to

obtain a comfortable brightness.

Fig. 8

Fig. 7

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