Community CPS:
OpenGD77 CPS:
OpenGD77 Latest Firmware:
https://github.com/rogerclarkmelbourne/OpenGD77/releases
Installing OpenGD77:
Press and Hold SK1 + SK2 (sidekeys) while turning on the radio. Upload OpenGD77 firmware using the OpenGD77 CPS. Restoring the stock firmware works just the same.
Enable Hotspot Mode with OpenGD77:
Press and hold the Black sidekey while turning on the radio. Hotspot mode is now enabled.
NA7Q Variant of OpenGD77, OpenDM1801, OpenRD5R
Latest Build: 9/27/2020
This is built on the “development” branch of OpenGD77. Your mileage may vary.
Downloads:
GD77
https://github.com/na7q/OpenGD77/raw/master/NA7Q%20Firmware%20Builds/OpenGD77-NA7Q-1.77.20.sgl
DM1801
https://github.com/na7q/OpenGD77/raw/master/NA7Q%20Firmware%20Builds/OpenDM1801-NA7Q-1.77.20.sgl
RD5R
https://github.com/na7q/OpenGD77/raw/master/NA7Q%20Firmware%20Builds/OpenRD5R-NA7Q-1.77.20.sgl
Previous Builds:
https://github.com/na7q/OpenGD77/blob/m … /Archived/
Information:
These builds have minor User Interface changes for the GD-77. Some of which may include a different arrangement of settings, names, and extra features.
Please update to the latest CPS. [3/6/20]
https://github.com/rogerclarkmelbourne/ … taller.exe
Power Levels:
The 1W and 5W power levels may need to be calibrated using the LATEST CPS.
Power levels include 1mW, 5mW, 10mW, 25mW, 50mW, 75mW, 100mW, 250mW, 500mW, 750mW, 1W, 2W, 3W, 4W, 5W, and 5W++
5W++ outputs just over 6 watts on most radios and requires pressing Blue + Long Press Right.
Now Supports DCS Encode & Decode
Hotspot Mode:
Hotspot Mode is activated from the Options Menu.
Select MMDVM for use with Pi-Star or BlueDV for use with the BlueDV software on computers and phones.
VFO Scan Mode
Method 1:
Long Press Green to enter Scan Mode.
Enter Frequency Scan Range limits.
Long Press Green again to start scan.
Left changes scan direction.
Long Press Red to exit VFO Scan Mode.
Method 2:
Double tap Orange to start scanning
Method 3: Blue (SK2) + 1 to start scanning
Channel Scan Mode
Method 1:
Long Press Green to start scanning
Method 2:
Long press 1 to start scanning.
Method 3:
Blue (SK2) + 1 to start scanning.
Method 4:
Double tap Orange to start scanning
Menu Shortcuts:
Blue+1: Start scanning in Channel Mode and VFO Mode
Blue+2: Jump to Battery Screen
Blue+3: Jump to Last Heard Screen
Blue+4: Jump to Channel Details Screen, CC setting
Blue+5: Jump to Options Menu
Blue+6: Jump to Display Options Menu
Blue+7: Decrease Brightness
Blue+8: Increase Brightness
Blue+9: Jump to RSSI Menu
Blue+0: Jump to Sound Menu
Specific Changes:
Added steps for the Timeout Timer
Slower step rate for CTCSS/DCS when using long press of arrows to change it
More to add later…
Thanks to all the developers who make this possible!
Official Source Code
https://github.com/rogerclarkmelbourne/OpenGD77
NA7Q Source Code
https://github.com/na7q/OpenGD77