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User's Manual
Model No. MR-750
Certification No : R-R-ESO-MR-750
1. Caution for safety
This manual is for user's safety and the prevention of property loss and be sure to read it before use.
We are not responsible for the damage or third party's claims caused by the usage of this product.
We are not responsible for the loss of recordings caused by breakdown, repair, other reasons.
Please save important recordings into PC immediately.
Do not use it illegally.
Caution and Warning on main body
Warning
Do not decompose, remodel main body.
That can be the cause of fire and failure.
If you listen to the contents loudly and
long time by using earphone, hearing ability
can be damaged.
Do not use at low and high termperature.
That can be the cause of fire or failure by a leak by
condensation phenomenon.
Do not leave it alone in humid place or in place exposed to oil.
That can be the cause of fire and failure.
2.Product composition
Basic composition
Earphone
Main body
Auxiliary
USB Cable
battery pack
3.Name of each part
Recording button
Power/Play button
Microphone
USB terminal
External mic/Earphone terminal
Preparation before use (charging and device setting)
This product has built-in rechargeable battery.
Connect USB cable into the USB terminal of product body and the USB port of PC or charger(option).
You can check charging status by the battery icon displayed on LCD screen.
-It takes about 2 hours for battery to be charged completely.
Caution : When you use charger(option), please check whether rated voltage is 5V.
Changing time setting and sound quality setting
<Instructions of Time Setup program>
1
After connecting USB cable into the USB terminal of PC,
perform by double-clicking 'TIME SETUP' program saved in product.
2
After adjusting each setting indicated in performed program suitably,
press START button and the file of DATA_TIME.CFG is created.
V101
3
Separate product from PC and setting value is saved.
Product setting is possible only in the program of 'TIME SETUP' connected to PC.
LANGUAGE : [KOREAN], ENGLISH, JAPANESE
MODE(Recording sound quality) : PCM(no compression original sound)
[XHQ](High sound quality), HQ(Middle sound quality),
SP(Long time sound quality), LP(Ultra long time sound quality)
2020:01:01:13:00:00
SCREEN OFF TIMER : [ON], 60sec, 30sec, 10sec, 3sec
MIC SENSE : HIGH, [NORMAL], LOW
VOS LEVEL : You can set detection level in sound detection recording.
-2
<Window of Time Setup program>
very insensitive
Caution : It is set to the date and time set in PC. (It is set to the time to click Start button and at the time to separate product.)
Caution : If battery is discharged, date and time is initialized and perform time setting again after charging for use.
ESONIC CO., LTD.
Caution
To shock or drop the product can be the cause of failure.
Do not wash the surface of product with
alcohol, benzene, thinner, etc.
Please avoid listening with earphone or product
operation during driving or walking because of the
risk of traffic accident.
Caution : Be sure to check components before using product.
Option
Charger
Clip
Audio cable
Use jog button by pressing center and by pushing
up and down and left and right.
LCD screen
Jog(Mode) button
Built-in speaker
Clip
Main body
Auxiliary battery pack
Setting value indicated in bracket [ ] is basic value.
If memory is initialized, it is set to basic value.
-1
0
+1
insensitive
basic setting
sensitive
WARRANTY CARD
ESONIC CO., LTD.
Power On/Off
Turning on power
1
Press the button of POWER/PLAY
for 3 seconds at length.
Turning off power
1
In the state of power-on,
press the button of POWER/PLAY
for 3 seconds at length.
Recording and playing back by using external power (PC, Charger)
1. When product is connected to PC or adaptor, all ongoing operations stop and
2. At this time, recording starts by pressing recording button more than 3 seconds at length, or it is moved to stop
screen by pressing play button more than 3 seconds at length.
3. After this, you can use it in the same instructions with main body.
Explanation on LCD screen display
Stop screen
Recorded file name
Recorded date and time
(YY/MM/DD/HH/MM)
In recording
Ear microphone
Internal/external mic icon
In playing
Pin microphone
Recording
Recording in the state of power-off: When you press recording button more than 3 seconds, power is turned on and recording starts right away.
1
Recording in the state of power-on: When you press recording button in short, recording starts.
(The state of power-off)-at length
(The state of power-on)-in short
2
To stop recording, press recording button in short again.
3
When you press play button during recording, recording pauses and when you press it again, recording progresses subsequently.
As internal mic is closer to a sound source, recording quality gets better.
Recorded file is created in order from R-00001, "year/month/date/hour/minute" is displayed after number.
(General recording:R-00001_2001011200_REC.mp3,
In recording long time, it is divided in unit of 5 hours and saved.
You can change the setting of mic sensitivity by pushing jog button to the direction of +/- at length during recording.
(
)low mic sensitivity, (
If battery is used out during recording, recording in progress is saved automatically and power is turned off.
Setting sound detection recording (VOS)
Sound detection recording(VOS) : When there is no sound during recording, it pauses,
and when sound is detected after this, recording starts again.
If there is no sound in sound detection recording, VOS icon flickers.
1
In the state of stop screen, press mode button(M) at length(about 5 seconds) to change the setting of sound detection recording(VOS).
Caution : In case of sound detection recording(VOS), the time of saved recording file differs according to detected sound.
Caution : Even though you use sound detection recording(VOS), hours of battery use are not increased.
Caution : You can not change the setting of mic sensitivity during sound detection recording(VOS).
9.
How to connect auxiliary battery pack (long hours of recording)
1
<Picture of battery combination>
After inserting batteries(AAA, 4pcs.) into auxiliary battery pack according to direction,
+2
combine it with main body like picture
very sensitive
In case of using auxiliary battery pack, continuous recording is possible for about 5 days (standard of HQ, SP, LP).
Caution : Auxiliary battery pack is for charging the built-in battery of main body,
and it can be used after some minutes in case of complete exhaustion.
Product Specification
Model No : MR-750
MR-750
Recording Time per Mode
XHQ
Hours of Battery Use
Max Number of Recording Files
One year from purchasing date
2
The logo of MEMOQ is displayed.
2
It starts countdown.
Recording sound quality
Level meter
Recording time
Mic sensitivity
Repeat setting
Progress indication line
Play icon
Play speed icon
Play time
After displaying "Internal mic" on LCD screen, recording starts.
After displaying "Saving completion", "file name" is displayed.
Sound detection recording(VOS):R-00001_2001011200_VOS.mp3)
)normal mic sensitivity, (
)high mic sensitivity
2
<Picture for the connection of auxiliary battery pack>
2
, and charging of recorder starts.
8GB
16GB
32GB
About 24Hrs
About 48Hrs
About 96Hrs
About 144Hrs
About 288Hrs
About 576Hrs
About 288Hrs
About 576Hrs
About 1152Hrs
About 576Hrs
About 1152Hrs
About 2304Hrs
About 1152Hrs
About 2304Hrs
About 4608Hrs
PCM, XHQ : About 12Hrs / HQ, SP, LP : About 16Hrs
9,999 files
About 2Hrs
3
Firmware version is displayed in sequence.
it is moved to stop screen after displaying firmware.
3
"POWER OFF" is displayed after 3 seconds
and then power is turned off.
or
is displayed.
Sound detection recording(ON/OFF)
File number being recorded
File number being played
Total file number
If it is connected normally,
battery remains indication flickers.

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Kurt Odle
May 17, 2025

can i transcribe a recording

Summary of Contents for Esonic MR-750

  • Page 1 User's Manual ESONIC CO., LTD. WARRANTY CARD Product Specification Model No : MR-750 16GB 32GB MR-750 About 24Hrs About 48Hrs About 96Hrs Model No. MR-750 Recording Time per Mode About 144Hrs About 288Hrs About 576Hrs About 288Hrs About 576Hrs About 1152Hrs...
  • Page 2 10. Recording by external input In case of recording by external input, low mic sensitivity and middle level meter makes the clearest recording. Caution : The design of telephone adaptor can be changed without prior notice. Recommended recording sensitivity : low Recommended recording sensitivity : normal Caution : keyphone, internet phone or some models of telephone can not be recorded.