See also:

Dialing by inputting a number
Press the talk switch and say “Dial by number”. Press the talk switch and say the phone number. Dial by one of the following methods: a. Press the off-hook switch. b. Press the talk swi ...

If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the syst ...

Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds... Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, th ...