RCA 25403 - Manual (Page 40)

40
Other Information
Operation By Battery
If the power cord is not plugged into the unit, and the battery is available, the unit enters Battery Operation Mode. In this mode, the unit
fully supports all operational features, except the intercom call function.
Operation without Power
If the power cord is not plugged into the unit and no battery is installed, the unit enters into No Power Operation mode. in this mode, the
user may:
1) use the handset to manually make a call on line 1 only,
2) answer a call on line 1 with the handset.
Troubleshooting Guide
No dial tone
• Check or repeat installation steps:
Make sure the telephone line cords are connected to the phone and the wall jack. Make sure the line cords are not damaged.
• Make sure the hook switch pops up when the handset is lifted.
• Check the SPEAKER button. Make sure the indicator is off.
• Disconnect the phone from the wall jack and connect another phone to the same jack. If there is no dial tone in the second phone, the
problem might be your wiring or local service.
You cannot be heard by the other party.
• Make sure the handset or headset cord is inserted properly and securely.
• Make sure the MUTE feature is not turned on.