See also:

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 ...

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 ...

Switching the display
Items displayed can be switched by pressing the “MODE” switch. 1.“MODE” switch 2. “RESET” switch 3. “DISP” switch 4. Display adjustment switch ...