Panasonic KX-TDA100 Pc Programming Manual page 696

2.12 [5] Optional Device
To apply changes to this setting, follow the steps below:
1.
Change this setting.
2.
Set the status of the OPB3 card to "OUS", then "INS".
Value Range
Low: About 120 minutes of messages can be recorded per card.
Middle: About 60 minutes of messages can be recorded per card.
High: About 40 minutes of messages can be recorded per card.
Maintenance Console Location
2.12.3 [5-3-1] Voice Message—DISA System
Programming Manual References
None
Feature Guide References
1.17.8 Built-in Simplified Voice Message (SVM)
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