TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.0,863482065001113,28293547182598,
poweron reason:0
===01:39:00===
2025-07-04 01:38:07>>>cash read=9E
2025-07-04 01:38:09>>>cash read=3E
===03:24:00===
2025-07-04 03:23:15>>>cash read=0A
2025-07-04 03:23:16>>>cash read=3E
===05:14:01===
2025-07-04 05:13:44>>>cash read=9E
2025-07-04 05:13:46>>>cash read=3E
===05:41:01===
2025-07-04 05:40:05>>>cash read=9E
2025-07-04 05:40:06>>>cash read=3E
===06:43:01===
2025-07-04 06:42:11>>>cash read=9E
2025-07-04 06:42:12>>>cash read=3E
===07:02:02===
2025-07-04 07:01:48>>>cash read=9E
2025-07-04 07:01:49>>>cash read=3E
===07:07:02===
2025-07-04 07:06:30>>>cash read=9E
2025-07-04 07:06:32>>>cash read=3E
===07:48:02===
2025-07-04 07:47:10>>>cash read=9E
2025-07-04 07:47:11>>>cash read=3E
===08:20:03===
2025-07-04 08:19:30>>>cash read=9E
2025-07-04 08:19:32>>>cash read=3E
===09:21:03===
2025-07-04 09:20:09>>>cash read=9E
2025-07-04 09:20:11>>>cash read=3E
===10:31:03===
2025-07-04 10:30:33>>>cash read=9E
2025-07-04 10:30:34>>>cash read=3E
===10:52:04===
2025-07-04 10:51:24 >>>回调事件[910,devices/S3962]
隔日重置时间戳true
隔日清空未同步下发列表true
2025-07-04 10:51:24 >>>故障排除日志:上一MQTT订单号缓存列表为2507032042030097463784
2025-07-04 10:51:24 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 10:51:24 开始打印,排队:1,票券:2507041051171821483601,订单:2507041051170015960825,[2025-07-04 10:51:23微信支付15元]
2025-07-04 10:51:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041051171821483601","queue_number":1,"trade_uid":"2507041051170015960825"}]}
2025-07-04 10:51:26 >>>故障排除日志:删除未同步下发订单成功2507041051170015960825
2025-07-04 10:51:26 >>>故障排除日志:终端同步成功后剩余订单列表
===11:07:04===
2025-07-04 11:06:04>>>cash read=9E
2025-07-04 11:06:05>>>cash read=3E
===11:18:04===
2025-07-04 11:17:32>>>cash read=9E
2025-07-04 11:17:33>>>cash read=3E
===11:32:05===
2025-07-04 11:31:46 >>>回调事件[910,devices/S3962]
上一时间戳为1751597484
2025-07-04 11:31:46 >>>故障排除日志:上一MQTT订单号缓存列表为2507041051170015960825
2025-07-04 11:31:46 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 11:31:46 开始打印,排队:2,票券:2507041131399404481301,订单:2507041131390093619969,[2025-07-04 11:31:45微信支付15元]
2025-07-04 11:31:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041131399404481301","queue_number":2,"trade_uid":"2507041131390093619969"}]}
2025-07-04 11:31:48 >>>故障排除日志:删除未同步下发订单成功2507041131390093619969
2025-07-04 11:31:48 >>>故障排除日志:终端同步成功后剩余订单列表
===11:51:05===
2025-07-04 11:50:54 >>>回调事件[910,devices/S3962]
2025-07-04 11:50:54 >>>故障排除日志:上一MQTT订单号缓存列表为2507041131390093619969
2025-07-04 11:50:54 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 11:50:54 开始打印,排队:3,票券:2507041150473472236901,订单:2507041150470034321075,[2025-07-04 11:50:53微信支付15元]
2025-07-04 11:50:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041150473472236901","queue_number":3,"trade_uid":"2507041150470034321075"}]}
2025-07-04 11:50:56 >>>故障排除日志:删除未同步下发订单成功2507041150470034321075
2025-07-04 11:50:56 >>>故障排除日志:终端同步成功后剩余订单列表
===12:23:05===
2025-07-04 12:22:22>>>cash read=9E
2025-07-04 12:22:23>>>cash read=3E
===14:09:06===
2025-07-04 14:08:30 >>>回调事件[910,devices/S3962]
2025-07-04 14:08:30 >>>故障排除日志:上一MQTT订单号缓存列表为2507041150470034321075
2025-07-04 14:08:30 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 14:08:30 开始打印,排队:4,票券:2507041408248934621201,订单:2507041408240088956276,[2025-07-04 14:08:29微信支付15元]
2025-07-04 14:08:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041408248934621201","queue_number":4,"trade_uid":"2507041408240088956276"}]}
2025-07-04 14:08:32 >>>故障排除日志:删除未同步下发订单成功2507041408240088956276
2025-07-04 14:08:32 >>>故障排除日志:终端同步成功后剩余订单列表
===14:13:06===
2025-07-04 14:12:09>>>cash read=9E
2025-07-04 14:12:11>>>cash read=3E
===14:22:06===
2025-07-04 14:21:08>>>cash read=9E
2025-07-04 14:21:10>>>cash read=3E
===14:44:06===
2025-07-04 14:43:51>>>cash read=0A
2025-07-04 14:43:52>>>cash read=3E
===14:52:07===
2025-07-04 14:51:12 >>>回调事件[910,devices/S3962]
2025-07-04 14:51:12 >>>故障排除日志:上一MQTT订单号缓存列表为2507041408240088956276
2025-07-04 14:51:12 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 14:51:12 开始打印,排队:5,票券:2507041451065855374801,订单:2507041451060058165893,[2025-07-04 14:51:11微信支付15元]
2025-07-04 14:51:12 开始打印,排队:6,票券:2507041451065855777502,订单:2507041451060058165893,[2025-07-04 14:51:11微信支付15元]
2025-07-04 14:51:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041451065855374801","queue_number":5,"trade_uid":"2507041451060058165893"},{"ticket_no":"2507041451065855777502","queue_number":6,"trade_uid":"2507041451060058165893"}]}
2025-07-04 14:51:16 >>>故障排除日志:删除未同步下发订单成功2507041451060058165893
2025-07-04 14:51:16 >>>故障排除日志:删除未同步下发订单成功2507041451060058165893
2025-07-04 14:51:16 >>>故障排除日志:终端同步成功后剩余订单列表
===14:58:07===
2025-07-04 14:57:52 >>>回调事件[910,devices/S3962]
2025-07-04 14:57:52 >>>故障排除日志:上一MQTT订单号缓存列表为2507041451060058165893|2507041451060058165893
2025-07-04 14:57:52 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 14:57:52 开始打印,排队:7,票券:2507041457451073725801,订单:2507041457450010330162,[2025-07-04 14:57:51微信支付15元]
2025-07-04 14:57:54 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041457451073725801","queue_number":7,"trade_uid":"2507041457450010330162"}]}
2025-07-04 14:57:54 >>>故障排除日志:删除未同步下发订单成功2507041457450010330162
2025-07-04 14:57:54 >>>故障排除日志:终端同步成功后剩余订单列表
===15:31:07===
2025-07-04 15:30:48>>>cash read=9E
2025-07-04 15:30:49>>>cash read=3E
===16:12:07===
2025-07-04 16:11:41 >>>回调事件[910,devices/S3962]
2025-07-04 16:11:41 >>>故障排除日志:上一MQTT订单号缓存列表为2507041457450010330162
2025-07-04 16:11:41 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 16:11:41 开始打印,排队:8,票券:2507041611352055583501,订单:2507041611350020149136,[2025-07-04 16:11:40微信支付15元]
2025-07-04 16:11:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041611352055583501","queue_number":8,"trade_uid":"2507041611350020149136"}]}
2025-07-04 16:11:43 >>>故障排除日志:删除未同步下发订单成功2507041611350020149136
2025-07-04 16:11:44 >>>故障排除日志:终端同步成功后剩余订单列表
===16:26:08===
2025-07-04 16:25:19>>>cash read=9E
2025-07-04 16:25:20>>>cash read=3E
===16:44:08===
2025-07-04 16:44:03>>>cash read=9E
2025-07-04 16:44:04>>>cash read=3E
===16:57:08===
2025-07-04 16:56:08>>>cash read=9E
2025-07-04 16:56:09>>>cash read=3E
===17:14:08===
2025-07-04 17:13:23 >>>回调事件[910,devices/S3962]
2025-07-04 17:13:23 >>>故障排除日志:上一MQTT订单号缓存列表为2507041611350020149136
2025-07-04 17:13:23 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 17:13:23 开始打印,排队:9,票券:2507041713165385226401,订单:2507041713160053449116,[2025-07-04 17:13:22微信支付15元]
2025-07-04 17:13:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041713165385226401","queue_number":9,"trade_uid":"2507041713160053449116"}]}
2025-07-04 17:13:25 >>>故障排除日志:删除未同步下发订单成功2507041713160053449116
2025-07-04 17:13:25 >>>故障排除日志:终端同步成功后剩余订单列表
===17:32:09===
2025-07-04 17:31:26 >>>回调事件[910,devices/S3962]
2025-07-04 17:31:26 >>>故障排除日志:上一MQTT订单号缓存列表为2507041713160053449116
2025-07-04 17:31:26 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 17:31:27 开始打印,排队:10,票券:2507041731184277603901,订单:2507041731180042388259,[2025-07-04 17:31:26微信支付15元]
2025-07-04 17:31:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041731184277603901","queue_number":10,"trade_uid":"2507041731180042388259"}]}
2025-07-04 17:31:28 >>>故障排除日志:删除未同步下发订单成功2507041731180042388259
2025-07-04 17:31:29 >>>故障排除日志:终端同步成功后剩余订单列表
===17:36:09===
2025-07-04 17:35:43>>>cash read=9E
2025-07-04 17:35:44>>>cash read=3E
===17:54:09===
2025-07-04 17:54:01>>>cash read=9E
2025-07-04 17:54:03>>>cash read=3E
===18:36:11===
2025-07-04 18:36:08 >>>回调事件[910,devices/S3962]
2025-07-04 18:36:08 >>>故障排除日志:上一MQTT订单号缓存列表为2507041731180042388259
2025-07-04 18:36:08 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 18:36:08 开始打印,排队:11,票券:2507041836013028594701,订单:2507041836010029894083,[2025-07-04 18:36:08微信支付15元]
===18:38:12===
2025-07-04 18:37:56>>>cash read=9E
2025-07-04 18:37:57>>>cash read=3E
===18:52:12===
2025-07-04 18:51:26 >>>回调事件[910,devices/S3962]
2025-07-04 18:51:26 >>>故障排除日志:上一MQTT订单号缓存列表为2507041836010029894083
2025-07-04 18:51:26 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 18:51:26 开始打印,排队:12,票券:2507041851201638623101,订单:2507041851200015999541,[2025-07-04 18:51:25微信支付15元]
2025-07-04 18:51:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041851201638623101","queue_number":12,"trade_uid":"2507041851200015999541"}]}
2025-07-04 18:51:28 >>>故障排除日志:删除未同步下发订单成功2507041851200015999541
2025-07-04 18:51:29 >>>故障排除日志:终端同步成功后剩余订单列表
===18:57:12===
2025-07-04 18:56:11 >>>回调事件[910,devices/S3962]
2025-07-04 18:56:11 >>>故障排除日志:上一MQTT订单号缓存列表为2507041851200015999541
2025-07-04 18:56:11 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 18:56:11 开始打印,排队:13,票券:2507041856056588732501,订单:2507041856050065473117,[2025-07-04 18:56:11微信支付15元]
2025-07-04 18:56:11 开始打印,排队:14,票券:2507041856056589778702,订单:2507041856050065473117,[2025-07-04 18:56:11微信支付15元]
2025-07-04 18:56:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041856056588732501","queue_number":13,"trade_uid":"2507041856050065473117"},{"ticket_no":"2507041856056589778702","queue_number":14,"trade_uid":"2507041856050065473117"}]}
2025-07-04 18:56:15 >>>故障排除日志:删除未同步下发订单成功2507041856050065473117
2025-07-04 18:56:15 >>>故障排除日志:删除未同步下发订单成功2507041856050065473117
2025-07-04 18:56:15 >>>故障排除日志:终端同步成功后剩余订单列表
===19:04:12===
2025-07-04 19:03:26>>>cash read=0A
2025-07-04 19:03:28>>>cash read=3E
===19:56:13===
2025-07-04 19:55:26 >>>回调事件[910,devices/S3962]
2025-07-04 19:55:26 >>>故障排除日志:上一MQTT订单号缓存列表为2507041856050065473117|2507041856050065473117
2025-07-04 19:55:26 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 19:55:26 开始打印,排队:15,票券:2507041955186985149501,订单:2507041955180069426981,[2025-07-04 19:55:25微信支付15元]
2025-07-04 19:55:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507041955186985149501","queue_number":15,"trade_uid":"2507041955180069426981"}]}
2025-07-04 19:55:28 >>>故障排除日志:删除未同步下发订单成功2507041955180069426981
2025-07-04 19:55:29 >>>故障排除日志:终端同步成功后剩余订单列表
===20:11:13===
2025-07-04 20:10:55 >>>回调事件[910,devices/S3962]
2025-07-04 20:10:55 >>>故障排除日志:上一MQTT订单号缓存列表为2507041955180069426981
2025-07-04 20:10:55 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 20:10:55 开始打印,排队:16,票券:2507042010211333756701,订单:2507042010210012910974,[2025-07-04 20:10:54支付宝支付15元]
2025-07-04 20:10:55 开始打印,排队:17,票券:2507042010211334309402,订单:2507042010210012910974,[2025-07-04 20:10:54支付宝支付15元]
2025-07-04 20:10:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507042010211333756701","queue_number":16,"trade_uid":"2507042010210012910974"},{"ticket_no":"2507042010211334309402","queue_number":17,"trade_uid":"2507042010210012910974"}]}
2025-07-04 20:10:59 >>>故障排除日志:删除未同步下发订单成功2507042010210012910974
2025-07-04 20:10:59 >>>故障排除日志:删除未同步下发订单成功2507042010210012910974
2025-07-04 20:10:59 >>>故障排除日志:终端同步成功后剩余订单列表
===20:17:13===
2025-07-04 20:16:40 >>>剩余flash空间=1682000,占用RAM为644.880859375
2025-07-04 20:16:40 >>>回调事件:903,keyPress,10000,长按切换键
进入终端自检模式
2025-07-04 20:16:42>>>cash write=30
2025-07-04 20:16:42>>>cash write=02
2025-07-04 20:16:42>>>cash write=3E
2025-07-04 20:16:43>>>cash write=0C
2025-07-04 20:16:44>>>cash read=808F
2025-07-04 20:16:45>>>cash write=02
2025-07-04 20:16:46>>>cash write=0C
2025-07-04 20:16:46>>>cash read=3E
===20:19:13===
2025-07-04 20:18:40 >>>剩余flash空间=1682000,占用RAM为653.564453125
2025-07-04 20:18:40 >>>回调事件:903,keyPress,10000,退出终端自检模式
退出终端自检模式
===20:27:11===
上一时间戳为1751597484
当日首次设置时间戳true为1751632013
今日nvm排队号为18
当前排队号为18,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":"821841461695074482","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"纯剪+自助洗吹"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695082007","use_timer":1,"old_price":"25","end_hour":"23","sale_price":"25","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"男士洗剪吹"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695082011","use_timer":1,"old_price":"8","end_hour":"23","sale_price":"8","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪刘海"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695082019","use_timer":1,"old_price":"49","end_hour":"23","sale_price":"49","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"男士健康染黑"}]
是否打印二维码设置为1
是否打印紧凑设置为3
当前号显示模式设置为1
session_id:71cbf****7084e
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[2.7.0]
定时检测未同步订单启用
2025-07-04 20:26:53>>>cash write=30
2025-07-04 20:26:53>>>cash write=02
2025-07-04 20:26:53>>>cash write=3E
2025-07-04 20:26:53>>>cash read=808F808F
系统时间初始化成功，时间为202574202653
2025-07-04 20:26:54>>>cash write=02
2025-07-04 20:26:54 >>>剩余flash空间=1679500,占用RAM为647.03125
2025-07-04 20:26:54 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-07-04 20:26:55 >>>剩余flash空间=1679000,占用RAM为611.779296875
2025-07-04 20:26:55 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-07-04 20:26:57>>>cash write=0C
2025-07-04 20:26:57>>>cash read=3E
流量卡还有300天过期
===20:28:12===
2025-07-04 20:27:11>>>cash write=02
2025-07-04 20:27:11 >>>剩余flash空间=1681500,占用RAM为663.69921875
2025-07-04 20:27:11 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-07-04 20:27:12 >>>剩余flash空间=1681500,占用RAM为610.4287109375
2025-07-04 20:27:12 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-07-04 20:27:14>>>cash write=0C
2025-07-04 20:27:14>>>cash read=3E
流量卡还有300天过期
2025-07-04 20:27:22 >>>当前Ram内存为643.0703125
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===20:29:12===
2025-07-04 20:28:56 >>>回调事件[910,devices/S3962]
2025-07-04 20:28:56 >>>故障排除日志:上一MQTT订单号缓存列表为2507042010210012910974|2507042010210012910974
2025-07-04 20:28:56 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 20:28:56 开始打印,排队:18,票券:2507042028501690006501,订单:2507042028500016515778,[2025-07-04 20:28:55微信支付15元]
2025-07-04 20:28:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507042028501690006501","queue_number":18,"trade_uid":"2507042028500016515778"}]}
2025-07-04 20:28:58 >>>故障排除日志:删除未同步下发订单成功2507042028500016515778
2025-07-04 20:28:58 >>>故障排除日志:终端同步成功后剩余订单列表
===20:40:12===
2025-07-04 20:39:22 >>>回调事件[910,devices/S3962]
2025-07-04 20:39:22 >>>故障排除日志:上一MQTT订单号缓存列表为2507042028500016515778
2025-07-04 20:39:22 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 20:39:22 开始打印,排队:19,票券:2507042039166154478401,订单:2507042039160061164825,[2025-07-04 20:39:22微信支付15元]
2025-07-04 20:39:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507042039166154478401","queue_number":19,"trade_uid":"2507042039160061164825"}]}
2025-07-04 20:39:24 >>>故障排除日志:删除未同步下发订单成功2507042039160061164825
2025-07-04 20:39:24 >>>故障排除日志:终端同步成功后剩余订单列表
===20:54:13===
2025-07-04 20:53:38 >>>回调事件[910,devices/S3962]
2025-07-04 20:53:38 >>>故障排除日志:上一MQTT订单号缓存列表为2507042039160061164825
2025-07-04 20:53:38 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 20:53:38 开始打印,排队:20,票券:2507042053321486241201,订单:2507042053320014409678,[2025-07-04 20:53:37微信支付15元]
2025-07-04 20:53:38 开始打印,排队:21,票券:2507042053321486734902,订单:2507042053320014409678,[2025-07-04 20:53:37微信支付15元]
2025-07-04 20:53:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507042053321486241201","queue_number":20,"trade_uid":"2507042053320014409678"},{"ticket_no":"2507042053321486734902","queue_number":21,"trade_uid":"2507042053320014409678"}]}
2025-07-04 20:53:42 >>>故障排除日志:删除未同步下发订单成功2507042053320014409678
2025-07-04 20:53:42 >>>故障排除日志:删除未同步下发订单成功2507042053320014409678
2025-07-04 20:53:42 >>>故障排除日志:终端同步成功后剩余订单列表
===21:00:13===
2025-07-04 20:59:37 >>>回调事件[910,devices/S3962]
2025-07-04 20:59:37 >>>故障排除日志:上一MQTT订单号缓存列表为2507042053320014409678|2507042053320014409678
2025-07-04 20:59:37 >>>故障排除日志:终端未同步成功订单列表
2025-07-04 20:59:37 开始打印,排队:22,票券:2507042059307456874901,订单:2507042059300074182487,[2025-07-04 20:59:36微信支付15元]
2025-07-04 20:59:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2507042059307456874901","queue_number":22,"trade_uid":"2507042059300074182487"}]}
2025-07-04 20:59:39 >>>故障排除日志:删除未同步下发订单成功2507042059300074182487
2025-07-04 20:59:39 >>>故障排除日志:终端同步成功后剩余订单列表
===21:12:13===
2025-07-04 21:11:42>>>cash read=9E
2025-07-04 21:11:43>>>cash read=3E
===22:22:14===
2025-07-04 22:21:50>>>cash read=9E
2025-07-04 22:21:52>>>cash read=3E