Instruction manual
Appendix G – Replacing Timekeeper Battery
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Instruction Manual – Enova DGX 8/16/32 Digital Media Switchers
Appendix G – Replacing Timekeeper Battery
This appendix provides instructions for removing and installing an Enova DGX Digital Timekeeper
battery and setting its clock. The procedure can be done while the enclosure is in a rack, but the system
must be powered down.
The Enova DGX Switcher uses a combination lithium battery and clock crystal package called a
Timekeeper. Only one Timekeeper unit is installed within a given Enova DGX enclosure. The battery
can be expected to have up to 3 years of usable life under very adverse conditions. Actual life is
appreciably longer under normal operating conditions. This calculation is based on storing the unit
without power in 50° C (122° F) temperature until battery levels are no longer acceptable.
Warning: Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries
according to the instructions.
Removing and Installing
Caution: Do not remove the CPU board until you are ready to install the Timekeeper battery, unless
directed to do so by technical support.
Items Required
Enova DGX replacement Timekeeper battery
Phillips #1 screwdriver
ESD wristband and cord with alligator clip
ESD Warning: To avoid ESD (Electrostatic Discharge) damage to sensitive components, make sure
you are properly grounded before touching any internal Enova DGX materials. Use an ESD
wristband and cord with an alligator clip attached to a good ground source.
To remove and install an Enova DGX Timekeeper battery and set its clock:
1.
Disconnect both AC power cords. Make sure that none of the power supply LEDs are illuminated.
2. Disconnect all cables connected to the CPU.
3. Remove the two screws from the CPU faceplate: one each on the far left and far right.
4. Remove the CPU faceplate and set aside.
Tip: Removal of the CPU board is easier if the two metal plates under the CPU are removed first.
FIG. 119 Remove 2 screws indicated
Faceplate screws