
21
The interference beat frequency moves between the set HIGH and LOW frequencies
over the CYCLE time set.
Default is 80-130Hz in 6 seconds.
7.7 Lock and Unlock Your Own Programme
To lock programme settings in Programmes 1,5 & 6, first adjust the intensity to zero, then
press & hold the LOCK KEY
for 3 seconds. You cannot adjust settings while the key
symbol is displayed. 3 seconds is a long time, but you will want to avoid accidental
activation of this key.