![Black Box ACU5600A-MM Manual Download Page 29](http://html1.mh-extra.com/html/black-box/acu5600a-mm/acu5600a-mm_manual_2761211029.webp)
Chapter 4: Configuration
877-877-2269 | blackbox.com
Page 29
5.2 Resetting a unit
On the left side of the front panel of each unit, you will find a small hole
which is used to invoke special functions. Use a thin implement, such as a
straightened paperclip to press and hold the button concealed behind the
smaller hole. Depending on when you release the button, the unit will
either perform a normal reset, enter a special serial upgrade mode (not the
usual method of upgrading - See the Maintenance page) or completely
reset itself to factory defaults:
Time
(seconds):
0 . . . . 5 . . . . 10 . . . . 15 . . . .
Indicator(s):
PWR:
All:
All:
All:
On
Alternate
flashing
Rapid
flashing
together
Normal
Release button for:
Normal
restart
Serial
upgrade
Reset
to
Return
to
(contact
technical
support)
factory
defaults
normal
operation