Section 4 - Adjustments - DoorKing 1835 Owner's Manual

RS-232 Terminal
(see sections 2.4 and 2.5)
Microphone Volume
(see section 4.1)
Speaker Volume
(see section 4.1)
1816 Interface Jumper
(see section 4.7)
Feedback Tone ON/OFF
Jumper
(see section 4.1)
Hands Free (HF) /
Hand Set (HS) Jumper
(see section 4.8)
Ring Pin Jumper
(see sections
3.1 and 4.5)
1837 LCD Display Board
DOORKING 1896-012
50

SECTION 4 - ADJUSTMENTS

1830 Series Circuit Board
RS 232
MIC
VOL
3 2 1
SPK
VOL
FEED
BACK
Feedback (see section 4.1)
3 2 1
TONE ON
TONE OFF
HF
HS
RING
Main Terminal (2.2)
PHONE CGND PSW MIC COM
Section 4.2 - Contrast
Memory Chip
(see sections 1.5
and 3.1.3)
ON
MASTER
CODE
OFF
KEYPAD
NO NC C
SPKR IMD 5VDC IMC Z A 2C 2RY
Keypad
Connector
Master Code Switch
(see sections 3.2.1 and 4.4)
1835 1837 LCD Interface Board
(Wall),
BACKLITE
CUTOFF
3 2 1
Backlite Cutoff - Section 4.3 Do not adjust
SINGLE
LINE E
Contrast - Section 4.2
DISPLAY LAY
CONTRAST
1835 LCD Display Boards
CONTRAST
Contrast - Section 4.3
CONTRAST
ELEVATOR
NO
NC
Relay 2 Jumper:
Normally Open (NO)
Normally Closed (NC)
1C 1NC 1NO BAT 16AC 16AC
(see section 4.6)
Relay 0 Terminal:
Normally Open (NO)
Normally Closed (NC)
Common (C)
(see section 2.2)
8 LINE 8 LINE 8 LI
DISPLAY DISPLAY DI
(Surface, Flush)
DOORKING 1891-010
1 Elevator Control
2
Terminal
3
(see section 2.1-
Expansion boards
and elevator
control and 2.2)
Auxiliary Terminal
(see section 2.2)
1835-065-D-5-17