Power Up System
NOTE: The internal battery maintains the recorded messages two hours in the event of a power failure or brownout. Allow 48 hours to fully charge.
If power is to be removed from the MDMU for an extended period of time, turn the battery switch to the Off position to avoid permanent damage to the battery.
NOTE: The suggested reliable lifetime of the rechargeable battery used in the equipment is 36 months. To ensure the system has reliable battery backup, it is recommended the battery be replaced every 30 months.
1 Plug the power cord into the A.C. input connector on the MDMU, then into the wall oulet.
The MDMU will display three messages in sequence:
MDMU 2.00
Software version of unit.
3.16
Total time available in memory for recording.
IDLE
Indicates the status MDMU: Idle = no activity; PLY = A message is being played out through connector J1; Delay = the time delay between successive messages is active.
2 Push the Battery slide switch to the ON position.
The MDMU is now ready to record and play meassages.
REM OPTION BATTERY
SWITCH OFF ON
Figure 7 Battery Switch
6
