ATS-20+ Firmware Update Guide | PDF | Computer File - Scribd

If your radio isn't working, here is the "better" diagnostic flow chart.

: If the radio behaves erratically after a firmware update, hold the Encoder Button while powering it on to reset all settings to default. Frequency Scanning : Long-press the

If you’ve just unboxed an ATS20 (or ATS20+) SDR radio receiver, congratulations. You are holding one of the most powerful yet affordable Software Defined Radios (SDR) on the market. However, if you are like 99% of new users, you have already hit a wall. You opened the box, found a thin pamphlet with tiny, broken-English text, and realized the stock ATS20 radio manual is practically useless.

| Mode | Typical Use | |------|--------------| | AM | Broadcast (530–1710 kHz), aviation (118–137 MHz) | | LSB | Ham bands 80/40/20m below 10 MHz | | USB | Ham bands 20/17/15/10m, marine SSB, 10 MHz+ | | NFM | VHF (145 MHz, 446 MHz – receive only) | | WFM | FM broadcast (88–108 MHz) |

for fine-tuning voice transmissions so they don't sound like "Donald Duck". Pre-configured Bands : The firmware includes 22 pre-configured commercial and amateur radio bands for quick jumping between listening areas. Performance Tip