With PPM signal test function in the display, the input PPM signal changes while the input the PPM signal synchronization output to the servo
"Select" Button Functions:
1. S-1 manual mode (Manual) 2. S-2 2-bit mode (Neutral) 3. S-3 automatic mode (Automatic)
"Pulse Width" Button Functions:
1. 50H analog servo signal cycle 20us frequency 50Hz 2. 125H digital servo signal cycle 8us frequency 125Hz 3. 250H digital servo signal cycle 4us frequency 250Hz
