Instruction manual

70
Trigger Function
Level trigger
Level setting range: 10 to 140 dB in 1 dB steps
Slope: + / -
1. Set the trigger level.
2. Set the slope.
When set to (+), the measurement starts when the input signal exceeds the trigger
level.
When set to (-), the measurement starts when the input signal, after having risen
once above the trigger level, falls below the trigger level for the first time.
Note
If the trigger level is set to 30 dB or lower, background noise
may prevent correct trigger operation, except in special envi-
ronments such as in an anechoic chamber.