TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.6.4,866250069011926,35305590175227,
poweron reason:0
===09:04:12===
上一时间戳为1731463440
隔日重置时间戳true
隔日清空未同步下发列表true
当前排队号为1,音量为5
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12566542176646876114","use_timer":1,"old_price":"12","end_hour":"23","sale_price":"12","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"快剪"},{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"14943629519302691305","use_timer":1,"old_price":"20","end_hour":"23","sale_price":"20","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发+雕刻造型"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:552f9****bd765
纸币器设置接收纸币范围为36
欢迎使用天羚自助售票系统[2.6.4]
定时检测未同步订单启用
2024-11-14 09:03:12>>>cash write=30
2024-11-14 09:03:12>>>cash write=02
2024-11-14 09:03:12>>>cash write=3E
2024-11-14 09:03:12>>>cash read=808F808F808F
系统时间初始化成功，时间为202411149312
2024-11-14 09:03:13>>>cash write=02
2024-11-14 09:03:13 >>>剩余flash空间=1680000,占用RAM为631.8935546875
2024-11-14 09:03:13 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-11-14 09:03:13 >>>剩余flash空间=1680000,占用RAM为602.369140625
2024-11-14 09:03:13 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-11-14 09:03:16>>>cash write=0C
2024-11-14 09:03:16>>>cash read=3E
流量卡还有351天过期
2024-11-14 09:03:20 >>>当前Ram内存为636.8974609375
===09:05:13===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:34:13===
2024-11-14 09:33:36 >>>回调事件[910,devices/TL1678]
当日首次设置时间戳true为1731548016
2024-11-14 09:33:37 >>>故障排除日志:上一MQTT订单号缓存列表为24111319463720046986
2024-11-14 09:33:37 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 09:33:37 开始打印,排队:1,票券:2411140933289358012101,订单:24111409332893575712,[2024-11-14 09:33:35支付宝支付12元]
2024-11-14 09:33:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411140933289358012101","queue_number":1,"trade_uid":"24111409332893575712"}]}
2024-11-14 09:33:39 >>>故障排除日志:删除未同步下发订单成功24111409332893575712
2024-11-14 09:33:39 >>>故障排除日志:终端同步成功后剩余订单列表
===10:29:13===
2024-11-14 10:28:28>>>cash read=0A
2024-11-14 10:28:29>>>cash read=3E
===10:49:14===
2024-11-14 10:48:22 >>>回调事件[910,devices/TL1678]
2024-11-14 10:48:22 >>>故障排除日志:上一MQTT订单号缓存列表为24111409332893575712
2024-11-14 10:48:22 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 10:48:22 开始打印,排队:2,票券:2411141048169824985701,订单:24111410481698245416,[2024-11-14 10:48:22微信支付12元]
2024-11-14 10:48:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141048169824985701","queue_number":2,"trade_uid":"24111410481698245416"}]}
2024-11-14 10:48:24 >>>故障排除日志:删除未同步下发订单成功24111410481698245416
2024-11-14 10:48:24 >>>故障排除日志:终端同步成功后剩余订单列表
===11:33:14===
2024-11-14 11:32:37>>>cash read=0A
2024-11-14 11:32:38>>>cash read=3E
===12:55:14===
2024-11-14 12:54:20 >>>回调事件[910,devices/TL1678]
2024-11-14 12:54:20 >>>故障排除日志:上一MQTT订单号缓存列表为24111410481698245416
2024-11-14 12:54:20 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 12:54:20 开始打印,排队:3,票券:2411141254120787552301,订单:24111412541207871658,[2024-11-14 12:54:19微信支付12元]
2024-11-14 12:54:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141254120787552301","queue_number":3,"trade_uid":"24111412541207871658"}]}
2024-11-14 12:54:22 >>>故障排除日志:删除未同步下发订单成功24111412541207871658
2024-11-14 12:54:22 >>>故障排除日志:终端同步成功后剩余订单列表
===13:37:15===
2024-11-14 13:36:20 >>>回调事件[910,devices/TL1678]
2024-11-14 13:36:20 >>>故障排除日志:上一MQTT订单号缓存列表为24111412541207871658
2024-11-14 13:36:20 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 13:36:20 开始打印,排队:4,票券:2411141336117289135401,订单:24111413361172886512,[2024-11-14 13:36:19微信支付12元]
2024-11-14 13:36:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141336117289135401","queue_number":4,"trade_uid":"24111413361172886512"}]}
2024-11-14 13:36:22 >>>故障排除日志:删除未同步下发订单成功24111413361172886512
2024-11-14 13:36:22 >>>故障排除日志:终端同步成功后剩余订单列表
===13:39:15===
2024-11-14 13:39:07>>>cash read=9E
2024-11-14 13:39:08>>>cash read=3E
===13:47:17===
2024-11-14 13:47:14 >>>回调事件[910,devices/TL1678]
2024-11-14 13:47:14 >>>故障排除日志:上一MQTT订单号缓存列表为24111413361172886512
2024-11-14 13:47:14 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 13:47:14 开始打印,排队:5,票券:2411141347061252228901,订单:24111413470612518136,[2024-11-14 13:47:13微信支付12元]
===14:01:17===
2024-11-14 14:00:38>>>cash read=29
2024-11-14 14:00:38 >>>回调事件130,cash_status,20029,退钞中
2024-11-14 14:00:39>>>cash read=3E
2024-11-14 14:00:40>>>cash read=00
2024-11-14 14:00:40>>>cash read=818F43
2024-11-14 14:00:40>>>cash write=02
2024-11-14 14:00:40 >>>回调事件130,cash_status,10022,进钞中...read money=20
2024-11-14 14:00:41>>>cash read=10
2024-11-14 14:00:41 >>>回调事件130,20,10023,finish Money=20,进钞完成
2024-11-14 14:00:42>>>cash write=0C
2024-11-14 14:00:42>>>cash read=3E
===14:02:17===
2024-11-14 14:01:41 >>>开始找零打印,排队号为6,订单号为2411141401410011678232
2024-11-14 14:01:41>>>订单2411141401410011678232写入成功,剩余空间为1680500,占用RAM为628.9130859375
删除未同步订单2411141401410011678232
2024-11-14 14:01:43>>>订单2411141401410011678232删除成功,剩余空间为1681500,占用RAM为622.861328125
检测订单目录中>>>
无未同步订单>>>
2024-11-14 14:01:43 >>>当前Ram内存为591.544921875
定时检测未同步订单启用
===14:03:18===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===14:37:18===
2024-11-14 14:37:06>>>cash read=0A
2024-11-14 14:37:07>>>cash read=3E
===15:16:18===
2024-11-14 15:16:10 >>>回调事件[910,devices/TL1678]
2024-11-14 15:16:10 >>>故障排除日志:上一MQTT订单号缓存列表为24111413470612518136
2024-11-14 15:16:10 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 15:16:10 开始打印,排队:7,票券:2411141516018260732101,订单:24111415160182601369,[2024-11-14 15:16:10微信支付12元]
2024-11-14 15:16:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141516018260732101","queue_number":7,"trade_uid":"24111415160182601369"}]}
2024-11-14 15:16:12 >>>故障排除日志:删除未同步下发订单成功24111415160182601369
2024-11-14 15:16:12 >>>故障排除日志:终端同步成功后剩余订单列表
===15:28:19===
2024-11-14 15:28:10 >>>回调事件[910,devices/TL1678]
2024-11-14 15:28:10 >>>故障排除日志:上一MQTT订单号缓存列表为24111415160182601369
2024-11-14 15:28:10 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 15:28:10 开始打印,排队:8,票券:2411141528025586765201,订单:24111415280255863356,[2024-11-14 15:28:10微信支付12元]
2024-11-14 15:28:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141528025586765201","queue_number":8,"trade_uid":"24111415280255863356"}]}
2024-11-14 15:28:12 >>>故障排除日志:删除未同步下发订单成功24111415280255863356
2024-11-14 15:28:12 >>>故障排除日志:终端同步成功后剩余订单列表
===15:46:19===
2024-11-14 15:45:18 >>>回调事件[910,devices/TL1678]
2024-11-14 15:45:18 >>>故障排除日志:上一MQTT订单号缓存列表为24111415280255863356
2024-11-14 15:45:18 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 15:45:18 开始打印,排队:9,票券:2411141545124246064101,订单:24111415451242455693,[2024-11-14 15:45:17微信支付12元]
2024-11-14 15:45:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141545124246064101","queue_number":9,"trade_uid":"24111415451242455693"}]}
2024-11-14 15:45:20 >>>故障排除日志:删除未同步下发订单成功24111415451242455693
2024-11-14 15:45:20 >>>故障排除日志:终端同步成功后剩余订单列表
===16:56:19===
2024-11-14 16:55:46 >>>回调事件[910,devices/TL1678]
2024-11-14 16:55:46 >>>故障排除日志:上一MQTT订单号缓存列表为24111415451242455693
2024-11-14 16:55:46 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 16:55:46 开始打印,排队:10,票券:2411141655393323298601,订单:24111416553933227598,[2024-11-14 16:55:45微信支付12元]
2024-11-14 16:55:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141655393323298601","queue_number":10,"trade_uid":"24111416553933227598"}]}
2024-11-14 16:55:48 >>>故障排除日志:删除未同步下发订单成功24111416553933227598
2024-11-14 16:55:48 >>>故障排除日志:终端同步成功后剩余订单列表
===17:04:19===
2024-11-14 17:03:44 >>>回调事件[910,devices/TL1678]
2024-11-14 17:03:44 >>>故障排除日志:上一MQTT订单号缓存列表为24111416553933227598
2024-11-14 17:03:44 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 17:03:44 开始打印,排队:11,票券:2411141703361752628401,订单:24111417033617522413,[2024-11-14 17:03:44微信支付12元]
2024-11-14 17:03:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141703361752628401","queue_number":11,"trade_uid":"24111417033617522413"}]}
2024-11-14 17:03:46 >>>故障排除日志:删除未同步下发订单成功24111417033617522413
2024-11-14 17:03:46 >>>故障排除日志:终端同步成功后剩余订单列表
===17:16:20===
2024-11-14 17:15:45 >>>回调事件[910,devices/TL1678]
2024-11-14 17:15:45 >>>故障排除日志:上一MQTT订单号缓存列表为24111417033617522413
2024-11-14 17:15:45 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 17:15:45 开始打印,排队:12,票券:2411141715385630781201,订单:24111417153856303649,[2024-11-14 17:15:44微信支付12元]
2024-11-14 17:15:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141715385630781201","queue_number":12,"trade_uid":"24111417153856303649"}]}
2024-11-14 17:15:46 >>>故障排除日志:删除未同步下发订单成功24111417153856303649
2024-11-14 17:15:47 >>>故障排除日志:终端同步成功后剩余订单列表
2024-11-14 17:15:52 >>>回调事件[910,devices/TL1678]
2024-11-14 17:15:52 >>>故障排除日志:上一MQTT订单号缓存列表为24111417153856303649
2024-11-14 17:15:52 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 17:15:52 开始打印,排队:13,票券:2411141715445297452401,订单:24111417154452967971,[2024-11-14 17:15:52微信支付12元]
2024-11-14 17:15:54 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141715445297452401","queue_number":13,"trade_uid":"24111417154452967971"}]}
2024-11-14 17:15:54 >>>故障排除日志:删除未同步下发订单成功24111417154452967971
2024-11-14 17:15:54 >>>故障排除日志:终端同步成功后剩余订单列表
===18:12:20===
2024-11-14 18:12:08 >>>回调事件[910,devices/TL1678]
2024-11-14 18:12:08 >>>故障排除日志:上一MQTT订单号缓存列表为24111417154452967971
2024-11-14 18:12:08 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 18:12:08 开始打印,排队:14,票券:2411141812009768491301,订单:24111418120097680667,[2024-11-14 18:12:07微信支付12元]
2024-11-14 18:12:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141812009768491301","queue_number":14,"trade_uid":"24111418120097680667"}]}
2024-11-14 18:12:10 >>>故障排除日志:删除未同步下发订单成功24111418120097680667
2024-11-14 18:12:10 >>>故障排除日志:终端同步成功后剩余订单列表
===18:21:20===
2024-11-14 18:20:50 >>>回调事件[910,devices/TL1678]
2024-11-14 18:20:50 >>>故障排除日志:上一MQTT订单号缓存列表为24111418120097680667
2024-11-14 18:20:50 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 18:20:50 开始打印,排队:15,票券:2411141820434031823601,订单:24111418204340312394,[2024-11-14 18:20:49微信支付12元]
2024-11-14 18:20:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141820434031823601","queue_number":15,"trade_uid":"24111418204340312394"}]}
2024-11-14 18:20:52 >>>故障排除日志:删除未同步下发订单成功24111418204340312394
2024-11-14 18:20:52 >>>故障排除日志:终端同步成功后剩余订单列表
===18:35:21===
2024-11-14 18:34:22 >>>回调事件[910,devices/TL1678]
2024-11-14 18:34:22 >>>故障排除日志:上一MQTT订单号缓存列表为24111418204340312394
2024-11-14 18:34:22 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 18:34:22 开始打印,排队:16,票券:2411141834157229426201,订单:24111418341572289743,[2024-11-14 18:34:22微信支付12元]
2024-11-14 18:34:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141834157229426201","queue_number":16,"trade_uid":"24111418341572289743"}]}
2024-11-14 18:34:24 >>>故障排除日志:删除未同步下发订单成功24111418341572289743
2024-11-14 18:34:25 >>>故障排除日志:终端同步成功后剩余订单列表
===18:40:21===
2024-11-14 18:40:09>>>cash read=0A
2024-11-14 18:40:10>>>cash read=3E
===18:46:21===
2024-11-14 18:45:39 >>>回调事件[910,devices/TL1678]
2024-11-14 18:45:39 >>>故障排除日志:上一MQTT订单号缓存列表为24111418341572289743
2024-11-14 18:45:39 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 18:45:39 开始打印,排队:17,票券:2411141845336962615401,订单:24111418453369620898,[2024-11-14 18:45:38微信支付12元]
2024-11-14 18:45:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141845336962615401","queue_number":17,"trade_uid":"24111418453369620898"}]}
2024-11-14 18:45:41 >>>故障排除日志:删除未同步下发订单成功24111418453369620898
2024-11-14 18:45:41 >>>故障排除日志:终端同步成功后剩余订单列表
===18:58:22===
2024-11-14 18:57:29 >>>回调事件[910,devices/TL1678]
2024-11-14 18:57:29 >>>故障排除日志:上一MQTT订单号缓存列表为24111418453369620898
2024-11-14 18:57:29 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 18:57:29 开始打印,排队:18,票券:2411141857213267614601,订单:24111418572132671918,[2024-11-14 18:57:28微信支付12元]
2024-11-14 18:57:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141857213267614601","queue_number":18,"trade_uid":"24111418572132671918"}]}
2024-11-14 18:57:31 >>>故障排除日志:删除未同步下发订单成功24111418572132671918
2024-11-14 18:57:31 >>>故障排除日志:终端同步成功后剩余订单列表
===19:02:22===
2024-11-14 19:01:42 >>>回调事件[910,devices/TL1678]
2024-11-14 19:01:42 >>>故障排除日志:上一MQTT订单号缓存列表为24111418572132671918
2024-11-14 19:01:42 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:01:42 开始打印,排队:19,票券:2411141901366068624201,订单:24111419013660681546,[2024-11-14 19:01:42微信支付12元]
2024-11-14 19:01:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141901366068624201","queue_number":19,"trade_uid":"24111419013660681546"}]}
2024-11-14 19:01:44 >>>故障排除日志:删除未同步下发订单成功24111419013660681546
2024-11-14 19:01:44 >>>故障排除日志:终端同步成功后剩余订单列表
===19:04:22===
2024-11-14 19:04:16 >>>回调事件[910,devices/TL1678]
2024-11-14 19:04:16 >>>故障排除日志:上一MQTT订单号缓存列表为24111419013660681546
2024-11-14 19:04:16 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:04:16 开始打印,排队:20,票券:2411141904087604158901,订单:24111419040876033818,[2024-11-14 19:04:15支付宝支付12元]
2024-11-14 19:04:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141904087604158901","queue_number":20,"trade_uid":"24111419040876033818"}]}
2024-11-14 19:04:18 >>>故障排除日志:删除未同步下发订单成功24111419040876033818
2024-11-14 19:04:18 >>>故障排除日志:终端同步成功后剩余订单列表
===19:08:22===
2024-11-14 19:08:02 >>>回调事件[910,devices/TL1678]
2024-11-14 19:08:02 >>>故障排除日志:上一MQTT订单号缓存列表为24111419040876033818
2024-11-14 19:08:02 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:08:02 开始打印,排队:21,票券:2411141907535967304101,订单:24111419075359664593,[2024-11-14 19:08:01微信支付12元]
2024-11-14 19:08:02 开始打印,排队:22,票券:2411141907535967534602,订单:24111419075359664593,[2024-11-14 19:08:01微信支付12元]
2024-11-14 19:08:02 开始打印,排队:23,票券:2411141907535967651803,订单:24111419075359664593,[2024-11-14 19:08:01微信支付12元]
2024-11-14 19:08:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141907535967304101","queue_number":21,"trade_uid":"24111419075359664593"},{"ticket_no":"2411141907535967534602","queue_number":22,"trade_uid":"24111419075359664593"},{"ticket_no":"2411141907535967651803","queue_number":23,"trade_uid":"24111419075359664593"}]}
2024-11-14 19:08:07 >>>故障排除日志:删除未同步下发订单成功24111419075359664593
2024-11-14 19:08:07 >>>故障排除日志:删除未同步下发订单成功24111419075359664593
2024-11-14 19:08:07 >>>故障排除日志:删除未同步下发订单成功24111419075359664593
2024-11-14 19:08:07 >>>故障排除日志:终端同步成功后剩余订单列表
===19:32:22===
2024-11-14 19:31:55 >>>回调事件[910,devices/TL1678]
2024-11-14 19:31:55 >>>故障排除日志:上一MQTT订单号缓存列表为24111419075359664593|24111419075359664593|24111419075359664593
2024-11-14 19:31:55 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:31:55 开始打印,排队:24,票券:2411141931488973756701,订单:24111419314889733321,[2024-11-14 19:31:54微信支付12元]
2024-11-14 19:31:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141931488973756701","queue_number":24,"trade_uid":"24111419314889733321"}]}
2024-11-14 19:31:57 >>>故障排除日志:删除未同步下发订单成功24111419314889733321
2024-11-14 19:31:57 >>>故障排除日志:终端同步成功后剩余订单列表
===19:33:23===
2024-11-14 19:32:56 >>>回调事件[910,devices/TL1678]
2024-11-14 19:32:56 >>>故障排除日志:上一MQTT订单号缓存列表为24111419314889733321
2024-11-14 19:32:56 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:32:56 开始打印,排队:25,票券:2411141932415533474201,订单:24111419324155328484,[2024-11-14 19:32:55微信支付12元]
2024-11-14 19:32:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141932415533474201","queue_number":25,"trade_uid":"24111419324155328484"}]}
2024-11-14 19:32:58 >>>故障排除日志:删除未同步下发订单成功24111419324155328484
2024-11-14 19:32:58 >>>故障排除日志:终端同步成功后剩余订单列表
===19:56:23===
2024-11-14 19:55:43 >>>回调事件[910,devices/TL1678]
2024-11-14 19:55:43 >>>故障排除日志:上一MQTT订单号缓存列表为24111419324155328484
2024-11-14 19:55:43 >>>故障排除日志:终端未同步成功订单列表
2024-11-14 19:55:43 开始打印,排队:26,票券:2411141955314893506501,订单:24111419553148930593,[2024-11-14 19:55:43微信支付12元]
2024-11-14 19:55:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411141955314893506501","queue_number":26,"trade_uid":"24111419553148930593"}]}
2024-11-14 19:55:45 >>>故障排除日志:删除未同步下发订单成功24111419553148930593
2024-11-14 19:55:45 >>>故障排除日志:终端同步成功后剩余订单列表
===20:06:23===
2024-11-14 20:05:32>>>cash read=9E
2024-11-14 20:05:33>>>cash read=3E
===20:37:24===
2024-11-14 20:36:53>>>cash read=0A
2024-11-14 20:36:54>>>cash read=3E