[ecomodded]

Here's the manuals translation in proper English

Ming He MPT-7210A Manual Re-translation
Ming He MPT-7210A Specifications
Input Voltage: DC 12V ~ DC 60V
Output Voltage: DC 15V ~ DC 90V, can be adjusted to match the voltage requirement of 24V / 36V / 48V / 72V battery packs
Output Current: 0A ~ 10A
Output Power: 600W Maximum, optimal condition of 100W ~ 600W solar panels

Input Power*: 20W ~ 600W, 12 ~ 60V solar panels, or can be connected to battery packs, lithium battery packs, distributed household solar power systems, electric cars, wind turbines and solar street lamps
(*: I honestly don't know what "Scope" means in this case)

Properties: MPPT technology, automatic battery charge level adjustment, optimal for charging various kinds of battery packs, including lithium battery packs

Display: Color LCD, displays voltage, current, power (in kilowatts or amp-hours), and charge status

Mode: MPPT / DC-DC, MPPT can be used to charge batteries from solar panels while DC-DC mode can be used to step up or down voltage and current in power applications

Charging options: Charge mode can be set according to your needs, maximum of 20 presets can be stored inside the unit

Wiring
WARNING: Please do not mix up solar battery / input and battery / output, or swap positive and negative lines! Unit might explode or catch fire, resulting in property damage and/or loss of life.

1) Plug in solar panel to the top connector, note the polarity. Reverse polarity protection is not implemented!

2) Then, connect the battery wires, like what you did in the previous step. If solar panel connection has power, the display will turn on. If it doesn't, check the connection. Please note that solar panel should be placed outdoors where sun shines onto the panel!

Dimensions of the unit
Size of the unit: 103.5mm x 96mm x 55mm
Mounting bracket: 13.5mm x 67mm, hole spacing is 43mm apart
The two mounting holes are 117mm apart
The unit weighs 400g.

Please install the unit at -10 ~ 60 degrees Celsius, in a dry place.
LCD display can be easily damaged by shock or water infiltration. In order to prevent this, secure the unit to the wall or post firmly. Avoid areas with lots of impact or vibration, as it may cause the irreparable unit damage.
Avoid direct sunlight and rain.


Controls
SET: Set data
UP: Increase value - Hold to enter brightness adjustment menu
DOWN: Decrease value - Hold to calibrate the current measurement to 0
OK: Confirm changes / Turn on or off output - Hold to lock and unlock controls

Display
Setup mode
(Solar panel illustration): Solar panel voltage settings (maximum/optimal voltage?)
(Battery illustration)
(V part): Maximum battery changing voltage
(A part): Maximum charging current
(Box with X): Screen time-out timer
(AH / WH): Battery capacity setting
(000:00:00 part): Charge timer
(Floppy disk with arrow pointing outward): Load preset Number (n)
(OFF): Output status
(Padlock): Control lock status

Normal mode
(Solar panel illustration): Current solar panel input
(Battery illustration)
(V part): Current battery charging voltage
(A part): Current output current
(W): Current charging power in watts
(AH / WH): Cumulative charge capacity
(000:00:00 part): Cumulative charge time
(CV part / OK): Current charge status, OK means fully charged
(OFF): Output status
(Padlock): Control lock status