Panasonic KX-TDA100 Installation Manual page 72

2.3 Installation of the Main Processing Card
• A LITHIUM BATTERY IS USED IN THE MPR CARD. THERE IS A RISK OF EXPLOSION IF
BATTERY IS REPLACED WITH THE INCORRECT TYPE. DISPOSE OF USED BATTERIES
ACCORDING TO THE INSTRUCTIONS.
LED Indications
Indication
BATT ALARM
SD ACCESS
72 Installation Manual
Colour Description
Red Battery alarm indication
• OFF: Normal
ON: Alarm
Green SD memory card status
• ON: Accessing