1.3.1 Standby display
In stanby mode, the display shows the handset name and the handset number:
B2505 HS1
or
B2510 HS1
1.4. HANDSET INDICATOR (LED)
The handset LED has following function:
• ON when the external line is busy
• OFF when all handset are in stanby mode
• Flashes on all handset when there is an incoming call
2. TELEPHONE INSTALLATION
2.1 CONNECTIONS
Butler 2505/2510
66
bottom view of base
Telephone cord Power cable
HANDL. B2505_10.qxd 16/1/02 10:21 am Page 66