User Manual
60 Using Accessories
Deep Sleep Mode
To maximize battery life, this graphing calculator is shipped in Deep Sleep mode. To
wake the handheld from this mode, press É for at least 4 seconds or apply USB
(computer or wall adapter) or TI Charging Station CE power. After waking the
handheld, you can turn it on anytime by pressing É. To maximize battery life during
extended storage periods, the Deep Sleep mode is enabled automatically after a
period of being in the off state.
Recharging the TI Rechargeable Battery
You should make sure the TI-84 PlusCE battery is charged for classroom use and
before exams.
Use one of the following options to charge the battery in the TI-84PlusCE graphing
calculator:
• Connect the graphing calculator to a computer using a USB computer cable.
-or-
• Connect to a wall outlet using a TI wall adapter (may be sold separately).
-or-
• Place the graphing calculator in a TI Charging Station CE.
The amount of time required to fully charge the battery may vary, but charging takes
approximately four hours. It is not necessary to remove the TI Rechargeable Battery
from the graphing calculator to recharge it. The graphing calculator operates normally
while it is attached to a charging source.
To recharge a graphing calculator from a computer, a TI USB driver must be installed.
To download TIConnect™ CE or TI-SmartView™ CE software that includes a driver, go
to: education.ti.com/go/download.
Replacing TI Rechargeable Batteries
Take these precautions when replacing rechargeable batteries:
• Use only the charger recommended for the battery, or the one that was provided
with the original equipment.
• Remove the graphing calculator from the charger or alternating current adapter
when not in use or being charged.
• Do not use the battery in other devices because:
- This may result in personal injury or damage to equipment or property.
- There is a risk of explosion if a battery is replaced by the wrong type.