LK202-25-USB-FW Matrix Orbital, LK202-25-USB-FW Datasheet - Page 12

• Manufacturer Part Number: LK202-25-USB-FW
• Description: LCD 20X2 79MM X 17MM COL/WHT USB
• Manufacturer: Matrix Orbital

Specifications of LK202-25-USB-FW

• Display Mode: Transmissive
• Number Of Digits/alpha: 40
• Outline L X W X H: 116.00mm x 37.00mm x 25.73mm
• Viewing Area: 82.20mm L x 18.20mm W
• Display Format: 20 x 2
• Character Size: 5.55mm H x 3.20mm W
• Character Format: 5 x 7 Dots
• Voltage - Supply: 5VDC
• Dot Size: 0.60mm W x 0.65mm H
• Interface: I²C, RS232, TTL
• Operating Temperature: 0°C ~ 50°C
• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Fluid Type: STN
• Voltage Rating: 5 V
• Operating Temperature Range: 0 C to + 50 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Display Type: -
• Backlight: -
• Other names: Q4421337

2.3 Manual Override
be particularly helpful if the display module has been set to an unknown baud rate and you are no longer
able to communicate with it. If you wish to return the module to its default settings you must:
Matrix Orbital
1. Power off the display module.
2. Place a Jumper on the Manual Override pins.
3. Power up the display module.
4. The display module is now set to its default values listed below in
5. Edit and save settings.
The Manual Override is provided to allow the LK202-25-USB to be reset to factory defaults. This can
NOTE The display module will revert back to the old settings once turned off, unless the
settings are saved.
Figure 10: Manual Override Jumper
Brightness
Contrast
Baud Rate
Table 1: Default Values
LK202-25-USB
19.2 kbps
255
128
table 1
.
8