USER'S MANUAL DDS-310
Battery replacement and time adjusting
The button cell battery, keeps real time clock running, even when
the unit is not powered.
The battery is recharged when the unit is powered, so in normal
conditions, the battery replacement will be never required.
In the case that the unit has been disconnect from power an
unusually long period of time, it may be required to replace the
existing button cell battery, by a new one of same characteristics.
To get access to the battery, open the unit by removing the two
screws on the back side.To adjust the clock, proceed as follows:
Press and hold the key and power up the system. The screen will
show the date and time with the selected field blinking. Each key
press will increase the value of the selected field. To change the
field press and hold for 2 seconds.To finish setting the clock, keep
pressing the button for 10 seconds.
12/2009