The FPVspeed VTX-S8 offers 8 channels with IRC Tramp control, adjustable power levels (PIT, 2000mW, 4000mW), and supports PAL/NTSC video formats. It features a 7-36V input range, 5V output, and easy channel and power adjustments via dedicated buttons.
| Channel | CH1 | CH2 | CH3 | CH4 | CH5 | CH6 | CH7 | CH8 |
| Red LED (Band A) | 3320 | 3345 | 3370 | 3395 | 3420 | 3445 | 3470 | 3495 |
| Flash once | Flash twice | Flash for 3 times | Flash for 4 times | Flash for 5 times | Flash for 6 times | Flash for 7 times | Flash for 8 times | |
| Blue LED (Band B) | 3310 | 3330 | 3355 | 3380 | 3405 | 3430 | 3455 | 3480 |
| Flash once | Flash twice | Flash for 3 times | Flash for 4 times | Flash for 5 times | Flash for 6 times | Flash for 7 times | Flash for 8 times |
| Short press “Power button” to toggle the output power ON/OFF. Long press the key to enter Pit mode. | ||
| Tx output power ON | Tx output power OFF | Pit mode |
| Green LED is turned on | Green LED is turned off | All 3 LEDs will be turned on simultaneously |
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