To lock down the memory chip, solder the jumper as shown in the LOCKED picture above. This will
lock down the memory chip, not allowing anything to be changed inside it until the jumpers are restored to
their original position.
2 Connections
2.1 Connector Pinout
Refer to the Figure below for this chapter.
Figure 4: Electrical Connections
The display has four connectors;
Table 1: Connectors & Functions
Connector
Function
14 Pin Dual Header
General purpose outputs or Keypad (2x7)
4 Pin
Power (Vdc) and I
2
C communications
DB-9F
RS-232 / Power
Table 2: Mating Connectors
14 Pin Dual Header
Many, ex. MOLEX 70058
4 Pin
MOLEX 7880
DB-9F
Matrix Orbital
PK162-12
5
