Speco Technologies P120FACD/P240FACD - Manual (Page 17)

PUBLIC ADDRESS AMPLIFIER
15 P120FACD/P240FACD
SETUP Mode SETUP Mode
Press the H of CH1 and CH6 at the same time ( ) to enter into
the SETUP mode. Turn the volume, to enter into each setup
function, MIC 1, 2 Mute level, Tel-In volume, Chime volume, etc.
Press the H button of the CH6,
to exit the current setup function
or setup mode.