SECTION
512-750-100
LOUDSPEAKER
MICROPHONE
DARK BROWN BASE
VOLUME
CONTROL
KNOB
LOUDSPEAKER GRILLE
IVORY COVER
Fig. 3-TELEHELPER Speakerphone With Cover Removed
slot. Plug the other end of the D4BU into the CO line
terminated connecting block.
3.04
Adjust volume control to minimum position
and turn speakerphone on:
•
Dial tone should be heard indicating proper
connection to CO line
•
A beeping sound (low battery alarm signal)
should also be heard indicating a weak or no
battery
•
Turn speakerphone off, both sounds should
cease.
3.05
Plug the (2 foot) D4BU-29 mounting cord into
speakerphone jack marked PHONE. Run cord
through cord slot and plug other end of cord into as
sociated telephone set (Fig. 6).
Page 4
Note:
If the mounting cords are inter
changed at speakerphone, the speakerphone
will not operate.
3.06
Connect and place battery in battery compart
ment. Replace battery and cord connections
cover (Fig. 5). Cover activates a switch which con
nects battery into circuits.
All subsequent batteries (Alkaline
9-volt) are to be provided and in
stalled by the customer.
If
service is
discontinued disconnect and discard
the battery.
B.
Optional Installation of Desk Telephone Using 304A
Adopter (Fig.
7)
Note:
Select a location for mounting the
speakerphone which will provide a hard surface
beneath the speakerphone with no obstruction
BSP 512·750-100-101·101_198-04.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 23, 2012 22:56:55
