User`s guide

250 | Dexcom G4 PLATINUM Professional Continuous Glucose Monitoring System
18
Receiver Alerts, Alarm and Prompts (continued from page
before)
What will I see
on the receiver
screen?
Prompt,
alert or
alarm?
What does this
mean?
How will the
receiver notify
me?
(vibrate and/or
beep)
Will the
receiver
re-notify
me?
In both real-time
and blinded modes:
Transmitter
low battery
alert
Transmitter
battery is low.
Replace the
transmitter as
soon as possible.
Vibrates 1
time and then
vibrates/beeps
every 5 minutes
(2 repeats max).
Yes, once
a day.
In both real-time
and blinded modes:
Transmitter
failed alert
The transmitter
has failed.
Replace the
transmitter
immediately.
Vibrates 1
time and then
vibrates/beeps
every 5 minutes
(2 repeats max).
No
Important alerts that can be checked by the user in both real-time and
blinded modes:
 •Out of range alert - You can test this alert by moving the receiver
more than 20 feet away for 30 minutes or more.
 • 30-minute sensor expiration alert - You will see this alert in the
normal course of using a sensor for seven days.
 •0-hour sensor expiration alert - You will see this alert in the
normal course of using a sensor for seven days.
Other alerts and alarms cannot be safely checked by the user.