INITIAL SETUP
420 DISPLAY
CALLER ID DISPLAY
*NOTE:
The Record Number will only appear when reviewing Caller ID Records.
IN-USE DISPLAY
INSTALLING THE BATTERY
The 9 volt battery (not included) is required for the telephone to operate when there is a power
failure. Use alkaline battery only. See POWER FAILURE OPERATION on page 36.
1 .
Remove the screw securing the battery compartment cover.
2 .
Open the battery compartment cover by pressing the tab.
3 .
Install the battery as shown.
4 .
Replace the battery compartment cover and tighten the screw.
IDLE MODE
6
INSTALLATION
DESK/WALL MOUNTING BRACKET
The 420 desk/wall bracket is factory configured in the DESK position. To convert to wall
mounting, slide the bracket as shown. Rotate and replace the bracket in the WALL position.
Install two screws into the wall using the template as a guide. Purchase wood screws, round
head, brass, size #10, 1/4 inch in length. Thread the telephone line cords through the channel
on the bottom of the unit.
Desk Mount
CONNECTING THE TELEPHONE
BACK PANEL CONNECTIONS
SIDE PANEL CONNECTIONS
Wall Mount
7