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FRESENIUS MEDICAL CARE
MEDICAL TREATMENT CHAIR
INSTRUCTION MANUAL - T688B Series
Page 7 of 20
IFU T688B V2 Apr 2021
3.2
BATTERY BACKUP (if fitted)
The battery should only be used in the event of no power supply and should not be the main
source of power. As such, the power cord should be left in the power supply and switched on
while the chair is in use. The battery must be charged for at least 24 hours before it can be used.
The battery will automatically trickle charge until fully charged and should not be unplugged.
Refer to section 8.2.8 for battery charging indication and battery level indication.
The battery is lead acid battery.
Should the battery fail to charge, please contact Fresenius Medical
Care or your local representative at the details provided in section 5. The battery is not user
replaceable. The chair must be connected to the power supply to recharge at least every 5 days.
.
3.3
HAND CONTROLS & PROGRAMMING
Each T688B
Series
Medical Treatment Chair
can
be supplied with two hand controls. One
nurse-operated hand control and one patient-operated hand control.
The patient’s individual hand
control allows operation of the leg rest and backrest position.
Allow the patient to position themselves for maximum comfort, and to regularly alter this position.
Only nursing staff should operate the Height function (HI/LO) and this control should be
kept out of reach of the patient at the rear of the chair.
For an explanation of symbols on the hand controls, see section8.2.8.
3.3.1 Hand Control
Patient’s Hand Control
Nurse’s Hand Control