Jstvro Malahit Dsp User manual

Malahit Dsp radio
--MDR2000
--50Khz~2GHz
Registered version, based on version v1.0c
Image 01
1.Stdby: Short press to turn on or off the screen, long press to enter sleep mode.
2. Usb: Type-c usb interface, charging port.
3.Audio: headphone jack
4.Frequency: Frequency encoder, scroll up and down to adjust the frequency size, short press to
enter the step value edit page. Short press to launch each menu editing page.
5.Volume: Volume encoder, scroll up and down to adjust the volume value, short press to edit
other parameters. Short press to launch each menu editing page.
6.Ant: Antenna interface
7. Menu lists: The menu items are HARD, AUDIO, VISUAL, NR, MODE, BAND. See below for
detailed description.
8.Vol: Volume value, range 0~100. It is recommended to set above 50.
9.Frequency value: Frequency value, range 50KHz~250MHz,
10.Step value: Frequency step value, the range is 1KHz~1MHz.
11.Audio indicator: Audio indicator, one to indicate earphones and one to indicate back speakers.
Green means active, gray means inactive.
12.Battery indicator: battery indicator, green represents sufficient power. Red means low battery.
When the battery is low, please charge it in time.
13.Time: Time, long press the HARD menu for 3 seconds, release it after hearing the beep, and
enter the time editing page. Use the volume encoder to adjust the time, and finally press and
hold the volume editor to confirm the modification.

14.Signal strength: signal loudness, the longer the amplitude, the longer the signal.
Picture 02
HARD menu
1.En1 reverse: Reverse the adjustment direction of the volume encoder. The default is off, and
downward adjustment is to increase the volume value. When enabled, the upward adjustment is
to increase the volume value.
2.En2 reverse: Reverse frequency encoder adjustment direction. The default is off, and downward
adjustment is to increase the frequency value. When enabled, the upward adjustment is to
increase the frequency value.
3.Time Setting: Editing time: long press HARD menu for 3 seconds and then release to enter the
time editing page. Adjust the volume encoder to modify the time, short press to modify the
position. Finally, long press to confirm.

Picture 03
AUDIO menu
1. Filter: filter, audio filter, narrow corresponds to 8000Hz, normal corresponds to 12000Hz, wide
corresponds to 15000Hz

Picture 04
VISUAL menu
1. Short press the VISUAL menu to enter or exit the editing page
2. LCD SLEEP: When enabled, the screen will turn off after the SLEEP TIME time has elapsed to
save battery power.
3. SLEEP TIME: When LCD SLEEP is enabled, the screen will turn off after this time to save power.

Picture 05
NR menu
1. NR: Short press the NR menu to enable or disable the NR function. The NR indicator gray
means forbidden and red means enable.

Picture 06
MODE menu
1. MDR2000 has USB, LSB, AM, NFM, WFM modes.
2. Decoder can activate or disable cw encoding function.

Picture 07
BAND menu
1. The BAND menu has 5 pages and a total of 50 options. Adjust the frequency encoder to change
pages.

Picture 08
Quickly set frequency value
1. Click the frequency indicator to enter the quick edit frequency page. Enter the frequency value
and select the corresponding unit.
Waterfall
Click on the waterfall to modify the spectrogram range
Register
All MDR2000s have been registered when they leave the factory. There is no need to enter the
serial number again. If necessary, adjust the volume encoder to modify the value, short press the
volume encoder to modify the position, and finally long press the frequency encoder to confirm.
Reset
Press the volume and frequency encoders at the same time to reset the system and restore
factory settings. Registration information will be retained.