Ericsson LBI-38732D - Manual (Page 93)

Type 99 operation can be pre-programmed to be
enabled or disabled using the OPTION button or a se-
lected keypad key. Type 99 operation may be reset
manually or automatically (pre-programmed). Manual
reset is achieved by briefly pressing the CLEAR button.
Automatic reset, if enabled, occurs after a 30 second
interval following the most recent decode of a Type 99
tone sequence.
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