| Name | 4″B/W CRT Module | |
| Model Number | XG-680F | |
| Power Input | General DC12V-18V; LDO DC11.5V-18V | |
| Video Input | CCIR:0.7-1.4Vp-p; EIA:0.7-1.4Vp-p | |
| Input Signal Level | 0.7-1.4Vp-p | |
| Image Aspect Ratio | 4:03 | |
| Image Reproduction Ratio | ≥85% | |
| Central Excursion | ≤3% | |
| Max. Brightness | ≥280 Lux | |
| Brightness Grade | ≥10 | |
| Horizontal Resolution(A) | ≥380 Line | |
| Grating Distortion | ≤5% | |
| Scan Nonlinearity Distortion | ≤10% | |
| Synch.Range Line Introduce Range Line Keep Range Field Synch. Range | CCIR: 15625+200 Hz 15625+400 Hz 47+3 Hz | EIA: 15750+200 Hz 15750+400 Hz 57+3 Hz |
| Anode High Pressure Stability | ≤10% | |
| Video Response(+1dB-3dB) | ≥8MHz | |
| Linearity Wave Response K50 Kb | ≤5% ≤5% | |
| DC Distortion | ≤30% | |
| Volt Range for Image Stability | DC11.5V-15.0V | |
| Input Impedance | ≥100KΩ | |
| Large Area Contrast | ≥60 Times | |

