Functional Setup; Jumpers; Potentiometer - Mircom RAM-300LCD Series Installation And Operation Manual

3.0

Functional Setup

VR1
JW1, JW2, JW3 ARE
JW1
FOR FACTORY USE
JW2
LEAVE JUMPERS
JW3
JW2 AND JW3 IN
PLACE.
P2
THESE PINS ARE
FOR FACTORY USE
ONLY
24V IN/OUT
- +
CUT JUMPER JW8 TO
MAKE RAM-300LCD AN
ANCILLARY DEVICE.
3.1

Jumpers

Table 1 Jumpers
Jumper Jumper Function
JW1 FACTORY USE ONLY (JUMPER OFF)
JW2 FACTORY USE ONLY (JUMPER INSTALLED)
JW3 FACTORY USE ONLY (JUMPER INSTALLED)
CUT jumper to set the RAM-300LCD as an ancillary device. Use NP-2051 blank labels
JW8 to cover the System Reset, Signal Silence, Fire Drill, Enter, Menu and Cancel buttons
for the Ancillary Device Feature. Only Buzzer Silence, Lamp Test and Info are used.
3.2

Potentiometer

VR1 is a potentiometer used for LCD contrast adjustment and is located in the top left corner
of the RAM-300LCD board.
LCD CONTRAST
ADJUSTMENT
SYSTEM NORMAL
18:01 MON 2011-02-07
A.C. ON ALARM
SYSTEM
RESET
SIGNAL
1
2
SILENCE
ABC
FIRE
4 5
DRILL
GHI JKL
BUZZER
7 8
SILENCE
TUV
PRS
LAMP
* 0
TEST
QZ
JW8
ON
1 2 3 4 5 6 7 8
SW31
SW31 DIP Switch
for various
system functions
Figure 3 Annunciator Component Descriptions
firealarmresources.com
SUPV TRBL CPU FAIL
3
ENTER
DEF
6
MENU
MNO
9
CANCEL
WXY
#
INFO
SW30
RS-485 IN/OUT
ON
+
1 2 3 4
SW30 DIP Switch for annunciator
address setting. Valid addresses
1 to 7.
THIS
CONNECTOR IS
FOR FACTORY
USE ONLY
P1
- S
Place the 120 ohm
EOL resistor between
+ and - terminals of
the RS-485 on the
last annunciator
only.
7