CTR2-Flex Firmware Manual – v2.05.01a
April 15, 2026 This update includes additional information and a warning about using the 3.5mm input jacks on CTR2 units There is a separate manual for CTR2-Dial firmware. You can…
CTR2-Dial Firmware Manual – v2.05.01a
CTR2-Dial firmware is now included in CTR2-Flex v2 firmware. You can view the operation manual for CTR2-Dial here. To download a copy of it, press the Download button below. April…
CTR2-MIDI Operation Manuals – v2.01.01a
Read or download the latest operation manual for CTR2-MIDI here
CTR2-Quad Hardware Manual – v1.02
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides direct control of your Flex radio over WiFi using the Flex…
CTR2-Duo Hardware Manual – v1.01
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2-Uno Hardware Manual – v1.01
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2-Micro Operation Manual – v1.07.02
You can read or download the Operation Manual for the new CTR2-Micro here
CTR2-Quad Assembly Manual – v1.0
This manual provides instructions for assembling the CTR2-Quad Upgrade Kit. This kit is intended for customers that already own an M5Dial controller, or want to upgrade from older CTR2-Dial or…
CTR2-MIDI Assembly Manual – v1.00d
The CTR2-MIDI kit is an easy to build project that you can complete in one evening
CTR2-Voice Operation Manual – v1.01.03
Download the operation manual for CTR2-Voice here