SA818 MANUAL
Key operation:
1 key SET
Press it to setting mode, the data on LED nixie tube will be flickering, you can change it by key UP or
DOWN; Press key SET again, the item flickering will shift. If the item flickering is the last one, it will quit
setting mode.
2 key UP
When in setting mode, pressing key UP will increase the flickering value.
3 key DOWN
When in setting mode, pressing key DOWN will decrease the flickering value. Otherwise it will move
down the light LED.
4 key PTT
Pressing it will make the module into sending mode, when loosen the module into receiving mode.
5 Dial switch
When sending mode, switch to HIGH will send with high power, switch to LOW will send with low
power.
Set TX frequency
After power on, the LED close to “TXF” is on, indicates that LED nixie tube is displaying TX
frequency. Press key SET, the highest order of frequency will flicker, and can be changed by key UP or