Reference
Phone signals
The Cordless phone signals certain events audibly and visually as described below.
Signal | Meaning |
Red warning light | Incoming call. |
| Message waiting. |
| Battery almost empty. |
| Cordless phone out of range or not connected. |
The Cordless phone also generates audible ringing signals, alarm signals and warning tones, and key clicks.
Sound | Meaning |
Ringing signal | Incoming call. |
Alarm signal | 4 short beeps every 30 seconds: battery almost |
| empty. |
| 4 short beeps every 2 minutes: Cordless phone |
| out of range or not connected. |
Key click | You hear this each time you press a key (when |
| selected). |
Warning tone | You have pressed a key which has no function. |
130 | BusinessPhone – Cordless DT590 |
