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1、預(yu)付費電表(biao)在安裝時(shi)，安裝位置應保(bao)持(chi)垂直，并按接線圖接入。

圖：預付費電表

2、打(da)開(kai)電能(neng)表端(duan)鈕(niu)盒(he)蓋，然后(hou)按接(jie)(jie)線圖連接(jie)(jie)各端(duan)鈕(niu)接(jie)(jie)線，接(jie)(jie)通電源。

3、用(yong)戶將預購電量(liang)IC卡(ka)(ka)按卡(ka)(ka)上箭(jian)頭(tou)方(fang)向（金屬觸點面向左(zuo)）插入表(biao)(biao)內,顯(xian)示器首先(xian)顯(xian)示表(biao)(biao)號(hao)而后(hou)顯(xian)示預置(zhi)(zhi)電量(liang)，再顯(xian)示預置(zhi)(zhi)電量(liang)的報警電量(liang)。此(ci)時可取下(xia)IC卡(ka)(ka)，電表(biao)(biao)液晶(jing)屏輪流顯(xian)示總用(yong)電量(liang)和剩余電量(liang)。

4、當用(yong)戶用(yong)電時(shi)，脈沖(chong)指示燈會隨之(zhi)閃亮。

5、預(yu)付費電(dian)(dian)(dian)(dian)(dian)(dian)表在正常使用過程(cheng)中(zhong)，自動對所購電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)作遞減計算。當預(yu)付費電(dian)(dian)(dian)(dian)(dian)(dian)表內(nei)剩余電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)小于(yu)報警(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)時，報警(jing)(jing)指示(shi)燈閃爍(shuo)，顯示(shi)屏當前余額當前剩余電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)提醒(xing)用戶(hu)(hu)購電(dian)(dian)(dian)(dian)(dian)(dian)。當剩余電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)等于(yu)報警(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)時，停電(dian)(dian)(dian)(dian)(dian)(dian)一(yi)次提醒(xing)用戶(hu)(hu)購電(dian)(dian)(dian)(dian)(dian)(dian)，此(ci)時用戶(hu)(hu)需將(jiang)IC卡插入電(dian)(dian)(dian)(dian)(dian)(dian)能表一(yi)次恢(hui)復供電(dian)(dian)(dian)(dian)(dian)(dian)。當剩余電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)(liang)(liang)為零(ling)時，停止(zhi)供電(dian)(dian)(dian)(dian)(dian)(dian)。

6、一表(biao)一卡，用戶(hu)每次新購電(dian)量(liang)后(hou)，只能插入自己的電(dian)表(biao)輸(shu)入一次有效電(dian)量(liang)。

7、用(yong)戶每(mei)次(ci)將IC卡(ka)插入(ru)預付費電(dian)表(biao)，電(dian)表(biao)都將用(yong)戶用(yong)電(dian)情(qing)(qing)況全部(bu)返寫在IC卡(ka)上，用(yong)戶下次(ci)購電(dian)時，售電(dian)管理系統讀取(qu)IC卡(ka)數據匯總并檢(jian)查(cha)用(yong)戶是否(fou)合法用(yong)電(dian)。用(yong)電(dian)檢(jian)查(cha)人員(yuan)也可以使用(yong)檢(jian)查(cha)卡(ka)，檢(jian)查(cha)用(yong)戶用(yong)電(dian)情(qing)(qing)況。

8、供電(dian)管(guan)理部門(men)根(gen)據實(shi)際情況設置用(yong)(yong)戶的(de)用(yong)(yong)電(dian)負(fu)(fu)荷。當實(shi)際用(yong)(yong)電(dian)負(fu)(fu)荷超過設置值(zhi)時，電(dian)表內置繼電(dian)器斷開，停(ting)止供電(dian)，3分鐘后自(zi)動恢復供電(dian)，提醒用(yong)(yong)戶不能超過負(fu)(fu)荷用(yong)(yong)電(dian)。