Elikliv DM9 Manuel utilisateur

Elikliv model DM9 Digital Microscope

Enhanced User’s Manual

Overview

The DM9 is a ‘monocular’ microscope that uses a solid-state sensor element to capture an

image(s) of the subject, and a back-illuminated LCD display screen to allow viewing of the

captured image(s). A microcontroller inside the LCD display handles image processing and

display. In addition to capturing still images, the microscope also allows capturing video.

Because the microscope is ‘monocular’, it can only manage 2-dimensional images, and cannot

depict the third ‘height’ dimension, thus the user cannot perceive or judge depth in the displayed

image.

The captured still images are stored as JPEG (JPG) files, and captured videos are stored as AVI

files, with both types of files being saved to a microSD memory card (SD for short) that plugs

into the side of the LCD display (“LCD” for short). The microscope does NOT save images and

videos to the SD card if the LCD is plugged into a PC (personal computer) via a USB cable; in

that case, the photo/video capture software on the PC will handle recording of images and videos

to files, and the file types will depend on the application software used.

The microscope has an integral annular set of LEDs encircling the lens to provide illumination of

the subject; a control wheel on the LCD allows adjustment of the brightness from this light

source. The base of the microscope also has two auxiliary “gooseneck” LED lamps (henceforth

referred to as “auxiliary lamps”); these have their own dedicated brightness control wheel on the

rear of the base. Note that both brightness control wheels are poorly scaled, thus most of the

adjust occurs near one end of the control wheel rotation, the rest of the rotation being a ‘dead

zone’.

Basic Microscope Operation

Review the rest of this manual for details.

Turn on the LCD using the Power button. Turn the annual LED lamp in the microscope on or off

as required, and adjust the brightness as desired; do similarly with the Auxiliary LED lamps on

the Base. Place the ‘subject’ (the object that you will be looking at) on the Base, with the area of

interest positioned directly below the lens in the bottom end of the microscope. Adjust the Focus

Wheel near the bottom end of the microscope until the area of interest is in clear focus. To

change the magnification, raise or lower the microscope on its stand by use of the two black

knurled knobs that are on either side of the Holder by the Stand; it will be necessary to re-focus

every time the magnification is changed. Minimum magnification is obtained with the

microscope fully raised, maximum magnification requires the microscope to be fully lowered.

Table of Contents

Overview 1

Basic Microscope Operation 1

Table of Contents 2

Power Source 3

Memory 3

Power & Battery Charging 4

Parts of the Microscope 5

Menu 7

Selecting the Mode 12

To Take a Still Photo 13

To Take a Video 13

Playback 13

Ports 15

Connecting to a PC 17

Specifications 18

A Note on the Magnification 18

Power Source

The microscope and the LCD get their power from an integral, replaceable, type 18650 lithium-

ion battery, which is located behind a sliding cover on the rear of the LCD. The 18650 produces

3.7V with a capacity of about 3000mAh. Circuitry integral to the LCD boosts the battery voltage

as required, and also handles charge management of the battery. There is reason to expect that

the LCD will not charge the battery very much, if at all, while the microscope is turned on; for

best/fastest charging, the microscope should be turned off. Charging a mostly depleted battery

should take between 1 and 2 hours, assuming that a USB power adapter/charger of at least 2A

capacity is used (it is not included with the microscope and must be obtained separately). The

battery can also be charged by connecting the LCD to a personal computer (PC) via a suitable

USB cable. The cable must have a micro-USB plug on the end that will connect to the LCD.

The auxiliary gooseneck LED lamps are powered via another micro-USB socket, located on the

rear of the microscope’s Base. A PC or a USB power adapter/charger may be used as the power

source for the Base’s auxiliary lamps. Alternately, the same cable that is used to connect the

wired remote control to the LCD has a branch cable that can reach the micro-USB socket on the

Base, so that the LCD’s battery (or USB power source) also supplies power to the lamps on the

Base.

Memory

The microscope can store still images (as JPG files) and video (as AVI files) locally on a

microSD memory card that is plugged into the LCD. Any images or video saved to the SD card

can be read back and viewed on the LCD. Purportedly, any connected PC might be unable to

read the contents of the SD card while it remains plugged into the LCD, although the SD card

may be unplugged from the LCD and inserted into an SD card reader on a PC for purposes of

reading the card’s files in that manner. If the LCD is connected via USB to a PC, the

microscope’s camera can be read directly and continuously as a generic ‘PC camera’ and

whatever it sees can be viewed, manipulated, and stored on the PC.

When the LCD is connected to a PC, all pushbutton controls on the LCD and the wired remote

control are disabled, so the only access to the microscope’s camera is by way of the PC and its

software.

Because most PC’s do not have microSD card slots, it will be necessary to have a microSD to

SD card adapter, in order to transfer saved image and video files to the PC (which is not the same

thing as using the PC to directly read the microscope camera via the USB connection).

The microSD card plugs into a slot labeled “TF” on the right edge of the LCD; the card must be

oriented with any writing or logos facing forwards and the notched/serrated edge facing upwards.

Press the card into the “TF” slot until it is flush with the edge, and it should click into place. To

remove the card, press the end of it slightly into the “TF” slot (using a finger nail), and release it

so that an internal spring can eject it.

The microSD card must have a capacity within the range of 8GB ~ 32GB.

The SD card must be formatted by the LCD’s formatting function in order to work correctly; do

not format the SD card in any other device, unless then re-formatting is done by the LCD before

use with the microscope.

An SD card-shaped icon on the LCD’s screen, centered vertically along the screen’s right edge,

shows the status of the SD card and/or its “TF” slot. If an SD card is not installed in the LCD, or

an unformatted SD card is installed, the icon will have a red “X” across it. Once a properly

formatted SD card is installed in the LCD, the red “X” will disappear and just the shape of the

SD card will remain as the status icon. Note that after formatting an SD card, the icon will

continue to show the red “X” until any active menu has been closed.

On occasion, when trying to save/record an image or a video to the SD card, the LCD display

might show a message about there being “No SD Card” (or similar) even though a formatted SD

is in fact inserted into the LCD. When this happens, eject the SD card and re-insert it, giving the

LCD controller a few seconds to evaluate the card and update the screen icon.

Power & Battery Charging

The LCD has a small round LED located just above the three buttons at the lower right corner of

the screen. It lights up red when the battery is charging, or green when the battery has been fully

charged, and flashing blue when the LCD’s integral controller circuit is functioning correctly

(the LCD must be turned on (powered up) for the LED to light up as flashing blue).

To turn the LCD on (this includes the microscope itself), press the POWER button for about 2

seconds. To turn the LCD off, press the POWER button again for about 2 seconds.

At the lower right of the display screen is an icon that looks like an ‘A’ cell (battery). This is the

battery charge level indicator, and it will be filled in when the battery is fully charged, and

should be progressively less filled in as the battery’s charge is depleted. When the battery is

being charged via USB power, this same icon will change to show the image of an AC power

plug superimposed over the battery symbol, and the composite icon will flash.

Assuming that the battery is mostly depleted, it should take between 1 and 2 hours to fully

recharge, assuming power is coming from a USB power adapter/charger of at least 2A capacity.

Sometimes the LCD’s controller might ‘crash’ or otherwise lock up, and all buttons are likely

to become unresponsive and the display screen might show a static image. In this situation, it

will be necessary to reset the controller. Press and hold the POWER button for perhaps 20

seconds, or until the display screen changes, then allow the LCD to power up normally again.

Parts of the Microscope

To clarify the terminology/nomenclature used, the following part names are used:

-“LCD”: this is the microscope/LCD assembly

-“Holder”: this is the metal bracket that mounts to the “Stand” on its rear end and into

which the microscope body fits on the front of the “Holder”

-“Stand”: this is the vertical post that the “Holder” & “LCD” raise and lower on

-“Base”: this is the metal plate which supports the “Stand” and the two auxiliary

gooseneck LED lamps

The names of the major parts are listed below:

LCD

-7” diagonal backlit color LCD display, actual image is about 153mm wide

-Microscope with integral lens, surrounded by an annular array of LEDs, and with a

transparent lens protector

-Focusing wheel located just above the bottom end of the microscope

-Battery cover on the rear of the LCD, slides down to open and detach

-Lithium-Ion battery, type 18650, under the battery cover

Holder

-The front ring of the Holder has two small thumbscrews for securing the microscope that

passes through the ring from the top

-Two large magnification adjusting thumbscrews, located at the rear of the Holder, a

pinion gear inside the rear of the Holder engages the rack on the front edge of the Stand

-Magnification adjustment friction thumbscrew, which presses against a friction pad that

slides inside an extruded groove on the rear of the Stand’s post

Stand

-The vertical post screws into a threaded hole on the top-rear of the Base, and is secured

using a knurled locking ring (similar to a jam-nut)

-The vertical post has a threaded rack running vertically along the post’s front, which is

engaged by the pinion gear on the Holder

Base

-At the top rear corners of the Base are the mountings for the two auxiliary gooseneck

LED lamps

-Under the rear edge of the Base is a plastic enclosure which houses the electronic

dimming circuit for the auxiliary gooseneck LED lamps. A microUSB connector allows

5VDC power to be applied for use by the two lamps. A small knurled brightness control

wheel allows adjustment, from OFF to full brightness, of the two auxiliary lamps. Note

that most of the control’s rotation has no affect on the lamp brightness, with its effective

range being a small portion of the rotation

Light Barrier

-The Light Barrier is a metalized plastic ring that can be used to replace the normal

“transparent lens protector” that normally surrounds the lens.

-The “transparent lens protector” fits tightly, but can be removed from the microscope by

firmly pulling down (away from the body of the microscope) while also using a wiggling

or rocking motion.

-Once the “transparent lens protector” has been removed, the Light Barrier can be attached

to the microscope using a ‘bayonet’ action; press it up against the bottom of the

microscope near the lens, and twist about 45 degrees to lock it in place.

-The function of the Light Barrier is to reduce reflection when using the microscope for

doing micro-soldering, for example of SMD electronic components on a printed circuit

board.

The microscope can be configured in many ways by use of a menu that is integral to the LCD.

-To enter the Menu, press the “M” button on the bottom edge of the LCD, or alternately

press the [M] button on the wired remote control; this will bring up the menu.

Henceforth, this text will simply refer to “M” to mean either of the two buttons described

above.

-The menu is divided into two tabs, one being for camera settings (either Still or Video,

depending on the currently selected mode) and the other being for general microscope

settings; the Camera menu (represented by a camera shaped icon) is the first to be

selected by the above step. Make any desired camera settings and configurations here.

-There are actually three versions of the Menu, and the one you see depends on which

mode the microscope is in: Still, Video, or Playback. The following Menu description is

based on the appearance of the Menu while the microscope is in the Still mode.

-Pressing “M” will change the menu from the Camera to the General Settings menu

(represented by a wrench-shaped icon). Make any desired non-camera settings and

configurations here.

-Pressing “M” again will exit the menu and return the LCD to normal operation.

oUse the ^ and v buttons on either the LCD, or the wired remote, to select options

within each of the two menus.

oPress the “OK” button on the LCD, or the Camera icon/OK button on the wired

remote, to open the currently selected option. Henceforth, “OK” will refer to

either method.

oCamera Settings Menu

[MP] Resolution option applies to still photos. The choices are:

•12M (4032 x 3024 pixels)

•10M (3648 x 2736 pixels)

•8M (3264 x 2448 pixels)

•5M (2592 x 1944 pixels)

•3M (2048 x 1536 pixels)

oUse ^ and v buttons to select the desired resolution, then

press “OK” to select and return to the menu

Burst Shooting option applies to still photos. The choices are:

•Off (default)

•On

oUse ^ and v buttons to select the desired option, then press

“OK” to select and return to the menu

oWhen selected to ON, the microscope will take a series of

five (5) still images in quick succession, 1 second apart,

starting when the button that triggers a picture to be taken

is pressed

Image Quality option applies to still photos. The choices are:

•High quality

•Standard (default)

•Economic

oUse ^ and v buttons to select the desired quality, then press

“OK” to select and return to the menu

oThe number of photos at the current resolution that can fit

onto the installed SD card will differ depending on the

image quality selection

Sharpness option applies to still photos. The choices are:

•Intensive

•Standard (default)

•Soft

oUse ^ and v buttons to select the desired sharpness, then

press “OK” to select and return to the menu

ISO (light sensitivity) option applies to still photos. The choices are:

•Auto (default)

•100 (less sensitive to light)

•200 (more sensitive to light)

oUse ^ and v buttons to select the desired sensitivity, then

press “OK” to select and return to the menu

Exposure Compensation option applies to still photos. The choices are:

•+2/3

•+1/3

•+0.0 (default)

•-1/3

•-2/3

•-1.0

•-4/3

•-5/3

•-2.0

oUse ^ and v buttons to select the desired compensation,

then press “OK” to select and return to the menu

Date tag option applies to still photos. The choices are:

•Off

•Date

•Date/Time (default)

oUse ^ and v buttons to select the desired option, then press

“OK” to select and return to the menu

oThis option selects whether or not the date (and optionally

the time of day) will be included as part of the stored/saved

image(s)

oVideo Settings menu

[MP] Resolution option applies to videos. The choices are:

•1080FHD (1920 x 1080 pixels)

•1080P (1440 x 1080 pixels)

•720P (1280x720 pixels)

Exposure Compensation option applies to videos. The choices are identical

to those available when in Still photo mode (see above).

Date tag option applies to videos. The choices are identical to those

available when in Still photo mode (see above).

oGeneral Settings menu

Date/Time option

•The internal clock of the LCD is not very accurate, and will likely

need to be adjusted/reset fairly often, unless an accurate ‘Date tag’

(see above) is not required, or if the ‘Date tag’ option is turned

OFF

•Set the Date in one of three formats (see below), one group of

digits at a time, from left to right (the active digits are highlighted)

oBy default, the Date format is YYYY/MM/DD

oUse ^ and v buttons to change the highlighted digits, then

press “OK” to move to the next group of digits; pressing

“OK” after the right-most group, the highlight will move on

to the Time (see below)

•Set the Time, which is always in HH:MM:SS format, one group of

digits at a time, from left to right

oUse ^ and v buttons to change the highlighted digits, then

press “OK” to move to the next group of digits; pressing

“OK” after the right-most group, the highlight will move on

to the Date Format (see below)

•Set the Date Format from one of three choices:

oYYYY/MM/DD (default)

oMM/DD/YYYY

oDD/MM/YYYY

opressing “OK” after the right-most group, the highlight will

move back to the Date (see above)

oTo leave the Date/Time option, press “M”

Automatic Shut-down. The choices are:

•Shut [= OFF] (default)

•3 minutes

•5 minutes

•10 minutes

oUse ^ and v buttons to select the desired option, then press

“OK” to select and return to the menu

oThis is a battery saver which optionally will turn the power

off if no buttons are pressed during the selected time period

Screen Protection (= screen-saver/power-down). The choices are:

•Shut [=OFF] (default)

•3 minutes

•5 minutes

•10 minutes

oUse ^ and v buttons to select the desired option, then press

“OK” to select and return to the menu

oThis is a battery saver which optionally will turn the LCD

screen’s backlight off if no buttons are pressed during the

selected time period

oThis option can be turned on while the more general

Automatic Shutdown (see above) is turned off, and thereby

function as a semi-battery saver

oThis option, if turned on, might be confusing because if the

screen goes blank, the user might not be able to easily tell

whether the microscope is turned off, or if it is turned on

but the screen is turned off

Language Selection. The choices are:

•English (default)

•Portuguese

•Simplified Chinese

•Japanese

•French

•German

•Korean

•Italian

•Dutch

•Russian

•Spanish

•Arabic

oUse ^ and v buttons to select the desired option, then press

“OK” to select and return to the menu

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