China (Mainland) Digital Bus Stop Annunciator

Specifications: Able to drive multiple LED panels onboard vehicle,and to control 4 grade luminosity of display panels both inboard & outboard vehicle. * Utilizing for the first time in stop annunciator of DSP chip with audio compression function to enable voice quality with higher fidelity, and flawless sound *Able to automatically control voice volume of announcement * To perform synchronized revision of annunciator and display panel both onboard vehicle, by utilizing CF memory card ( of 8M bit--32Mbit). Upon revision by computer of memory card, the stop name and ads service data can be transferred to memory of onboard vehicle digital annunciator, at the same time, the text to be displayed is transferred automatically to LED panels both inboard and outboard vehicle to implement a synchronized revision by computer of annunciator announcement and displayed text. * Able to store a volume of 4 bus routes and to revise one of them at choice by way of CF card. * To perform basic operation of the annunciator via remote handset. * RS-485 comm interface * Power outage protection * Fairly large memory capacity (32Mbit--64Mbit) * Stronger counter EMI capability * High reliability, and longer duty life * Fast transmission of ads service speech, voice, and texts of multiple languages. Usages It is applicable to various kinds of vehicles for announcement, publicity drive, and ads production. Due to its large memory, it is suitable to circumstance where the users used to make frequentative change of ads show or route number; at the same time, it is able to drive multiple display panels onboard vehicle, via LED lit matrix window with unique contour design, therefore specially adaptable to de luxe bus models.