Dexcom G7 Getting Started page 24

High Alert
Alerts when sensor reading is at or above the
set level.
Default: 14.0 mmol/L
Range: 5.5-22.2 mmol/L
Customise (level, delay 1st alert, snooze) or
turn on/off under Menu > Settings > Alerts >
High. The delay 1 st alert feature allows you to
delay your first high alert until your sensor
reading is high for a while.
LBL021582 Rev 001