Elecrow RC070S User manual

ELECROW 7 Inch HDMI
Touchscreen Monitor
Model: RC070S
USER MANUAL
Customer Support:
Should there be any questions, please feel free to let us know and contact us with
your purchase order number at [e-mail].

Table of Contents
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Chapter 01: Before Using the Product
1-1. Packing Contents
1-2. Product Description
1-2-1. Port Description
Chapter 02: Connecting and Using a Source Device
2-1. Connected to Raspberry Pi
2-1-1. Preparations
2-1-2. How to Use with Raspbian/ Ubuntu Mate/ Retropie/ Kali System
2-1-3. Connect the Monitor to Raspberry Pi and Power the Raspberry Pi
2-2. Connected to PC/Laptop (with HDMI Port)
Chapter 03: Troubleshooting Guide and Warranty
3-1. Troubleshooting Guide
3-2. Warranty
3-3. Custormer Support
Chapter 04: Specifications
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Chapter 01 Before Using the Product
1-1. Package Contents
1-2. Product Description
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• 1 x 7 Inch Monitor
• 1 x USB to Micro USB Connector (for RPI 4B)
• 1 x HDMI to Micro HDMI Connector (for RPI 4B)
• 1 x USB to Micro USB Cable (for connecting PC)
• 1 x HDMI to HDMI Cable (for connecting PC)
• 4 x M2.5 Screws (to mount RPI)
• 4 x Small Copper Pillars (to support RPI)
• 2 x Pro Stand
• 2 x M3 Screws (to mount Stand)
• 2 x Speakers
• 1 x User Manual

1-2-1. Port Description
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Micro USB Interface (Power): Connects to the device for power supply.
Micro USB Interface (Touch): Connects to the device for touch function and power
supply.
HDMI Interface (Display): Connects to a source device by using an HDMI cable/
connector.
Speaker: Set up the speaker.
Fan: Set up the fan device.
Backlight&Volume: For backlight & volume adjustment.
Earphone: For audio output.
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Chapter 02 Connecting and Using a Source Device
2-1-1. Preparations
2-1-2. How to Use with Raspbian /Ubuntu Mate /Retropie/Kali System
Step 1. Download the Image
2-1. Connected to Raspberry Pi
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• Raspbian Image
Image Download Link: https://www.raspberrypi.org/downloads/raspbian/
User: pi Password: raspberry
Please download the latest Image for Raspberry Pi 4B
• Ubuntu Mate Image
Image Download Link: https://ubuntu-mate.org/download/#xenial
Number
1
2
3
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5
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Quantity
1pc
1pc
1pc
1pc
1pc
1pc
1pc
Main Material
Raspberry Pi Board ( 4B for example )
7 Inch Monitor
HDMI to Micro HDMI Connector
TF Card (above 8GB)
Card Reader
USB A to Micro USB Connect
5V/3A Power Adapter
Others
or
Click here
Click here
Download this Image and unzip

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Step 2. Download and Install the Burning Tool
• Download SD Card Formatting Tool (SDFormatter 5.0.1)
Link: https://www.sdcard.org/downloads/formatter_4/
• Download System Burning Tool (Win32DiskImager)
Link: https://sourceforge.net/projects/win32diskimager/
• Format SD Card
• Retropie Image
Image Download Link: https://retropie.org.uk/download/
• Kali Image
Image Download Link: https://www.offensive-security.com/kali-linux-arm-images/
User: root Password: toor
Insert the TF card into the card reader →insert the card reader into the computer →open the
SDFormatter software →select the memory card →click Format →pop up the box and click
“Yes” or “OK” until the format succeeded
Select a Image to download
Click here and download

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Step 3. Burn the Image to SD Card
Step 4. Modify the “config.txt”
Open Win32DiskImager software →select downloaded image file(.img) →select SD card →
click ”write” →wait for burning completion, pop-up box click OK
Open the config.txt file of SD card root directory and add the following code at the end of the
file, save and eject SD card safely:
Step 5. Insert the SD Card into the Slot on the Back of the Raspberry Pi
Motherboard.
hdmi_force_hotplug=1
max_usb_current=1
hdmi_group=2
hdmi_mode=1
hdmi_mode=87
hdmi_cvt 1024 600 60 6 0 0 0
hdmi_drive=2
Please commend out by adding # in the front of "dtoverlay = vc4-fkms-V3D" or delete this line in
the config.txt file when working with Raspberry Pi 4.

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• Monitor Connected to Raspberry Pi 4B
1. Peel off the stickers of the mounting holes, then install the small copper pillars onto them.
2. Mount the Raspberry Pi on the back of the screen with M2.5 screws.
2-1-3. Connect the Monitor to Raspberry Pi and Power the Raspberry Pi

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3. Connect the HDMI connector & USB connector firmly onto Raspberry Pi and monitor.
4. Set up the speakers.(Please plug in the cable, then remove the sticker on the back of the
speaker, and then paste the speaker on the screen.)
• Raspberry Pi 4
HDMI to Micro HDMI Connector
USB Connector

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5. Install the pro stand with M3 screws.
6. Power the Raspberry Pi.
HDMI(Display) to HDMI cable Micro USB(touch port) to USB A Micro USB (Touch/Power)
COMPUTER
Note: Please note that when the monitor is connected to a game device or the monitor's touch end is connected to a
power source, socket, or other power supply device, the touchscreen doesn’t work.
!
2-2. Connected to PC/Laptop (with HDMI Port)
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Note: 1. The Raspberry Pi cannot be powered on directly by powering the screen (neither 5V/2A nor 5V/3A).
2. Please connect the Power interface when powering the screen. If power is supplied to the screen through the
touch interface, the touch screen will become insensitive, or even unusable.
3. When the speakers are turned on 80% or more, it is recommended to connect the power port (not touch port)
to provide full power.
!
DISPLAY
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Chapter 03 Troubleshooting Guide and Warranty
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3-1. Troubleshooting Guide
• This page deals with problems that can be corrected by a user. If the problem still persists after
you have tried these solutions, please contact customer support.
Problems Possible Solutions
Failure in writing
system
Rewrite system and if problem still exists after rewriting then you SD
card format might be wrong or SD card is defective.
SD card format error or
SD card is defective
Wrong SD card format: Run SDFormatter.exe and format your card.
Choose SD card in your computer and right click--choose
property--make sure your SD card format is FAT32. If SD card is defective
please change it to a new and functional one.
The monitor displays
black or white screen or
no full screen or
showing white line
Make sure your image system is intact. Modify the configuration file
config.txt.
The monitor flicks Ensure sufficient power. Make sure the screen micro USB and Raspberry
Pi USB connection is stable and try using another USB cable.
Touch Screen Issue
Make sure the Micro USB connector is properly connected between the
USB ports of the Raspberry Pi and the USB Touch interface of the LCD
screen. Try another micro USB cable (supports data transfer).
The LCD cannot display
normally when
connected to PC
Adjust the output signal to HDMI. Make sure the operating system is
Windows. Use the LCD as the only monitor for testing. Connect the USB
power cable first and then the HDMI cable.Try to restart your computer.
No sound when work
with Raspberry Pi
1.
Open the config.txt configuration file: sudo nano /boot/config.txt.
2. Modify "hdmi_drive=1" option to "hdmi_drive=2" .
3. Save and exit. Press "ctrl + x" then "y", and finally press "enter".
4. Enter the following command to restart the Raspberry Pi for the
configuration file to take effect: sudo reboot.
5. Then you successfully set the sound to be output from the screen via
HDMI.

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3-2. Warranty
• ELECROW Monitors carry a one (1) year limited warranty from the purchase date. In order to
receive warranty service, proof of purchase of the ELECROW product is required. To obtain warranty
service, please contact Customer Support.
• This limited warranty does not cover for:
Improper installation or maintenance; Misuse or Neglect; Repair, modification, or installation of
options or parts by you or any third party; Improper environment- Excessive or inadequate heating
or air conditioning or electrical powers failures, surges or other irregularities; Fire, flood, earthquake
or other accidents.
Chapter 04 Specifications
Model Name
Panel Size
Interface
Resolution
Touch Function
Speaker
Dimension
Net Weight (Monitor Only)
RC070S
7 Inch
HDMI & USB
1024×600(dots)
USB Capacitive Touch
Support
165*120(mm)
235g
3-3. Customer Support
• If you have any questions, customer support is always stand by.
@[e-mail] @Elecrow1