DoorKing 1812 Classic - Manual (Page 33)

1812-065-U-12-13 31
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1
FB1
FB2
MASTER
CODE
ON
1871-010
SPEAKER
VOL
MIC
VOL
77 88 99
44 55 66
1 2 3
00
1111 2222 333333 Push Button Push Button
To Call To Call
Feedback 1
Do Not Adjust
Feedback 2
Speaker
Volume
Adjust
SECTION 3 - ADJUSTMENTS
Places a call from the 1812 to the
homeowner’s phone.
The speaker volume potentiometer is labeled SPEAKER VOL on the control board. The speaker volume should be adjusted for
adequate sound. Adjusting the speaker volume too loud could cause feedback from the microphone.
1. Open the front of the telephone entry system and locate the speaker volume adjustment.
2. Push the "Push To Call" button to place a call to the resident. While they are talking, adjust the speaker volume potenti-
ometer for adequate sound. To increase the volume rotate the potentiometer clockwise, to decrease the volume rotate the
potentiometer counter clockwise.
Speaker Volume
1. Open the front of the telephone entry system and locate the Feedback 1 adjustment.
2. Push the "Push To Call" button to place a call to the resident. After they answer, ask the resident to remain silent.
3. While rubbing your finger across the microphone hole, rotate the feedback potentiometer clockwise, and then counter
clockwise. When the noise from the speaker is minimum, this is the correct adjustment for the feedback potentiometer.
The feedback 1 potentiometer is labeled FB1 on the control board. This adjustment minimizes feedback from the microphone to
the speaker when the system is connected to the resident telephone.
Feedback 1
1. Open the front of the telephone entry system and locate the Feedback 2 adjustment.
2. Enter one of the preprogrammed phone number directory codes (01, 02, 03) on the system keypad to place a call to
an outside number (see 2.5.3 to program an outside number). After the party answers, ask them to remain silent.
3. While rubbing your finger across the microphone hole, rotate the feedback potentiometer clockwise, and then counter
clockwise. When the noise from the speaker is minimum, this is the correct adjustment for the feedback potentiometer.
The feedback 2 potentiometer is labeled FB2 on the control board. This adjustment minimizes feedback from the microphone to
the speaker when the system has placed a call to an outside phone line. Note: Feedback 2 is not used when the 1812 is
programmed in the intercom mode.
Feedback 2
Push To Call Button Used to key in existing Access Codes and
Preprogrammed Phone Numbers - Directory
Numbers during normal operation. Also
used to program the system features.
System Keypad