Motorola TX500 - Manual (Page 12)

10 Status light
Note: The status light stops flashing to conserve
power after 20 minutes on a call or of inactivity, but the
speakerphone remains on.
slow red flash idle (not connected to a
phone)
steady red (status
light) trying to connect to your
phone
steady red (mute
light) muted
slow red pulse in a low battery state
If status light
shows... your speakerphone is...