Milesight AM308 - Downlink Commands

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6.3 Downlink Commands
AM300 series sensors support downlink commands to configure the device. The application
port is 85 by default.
Example:
1. Set reporting interval as 20 minutes.
Channel
Type
Description
ff
03(Set Reporting Interval)
2 Bytes, unit: s
10 (Reboot Device)
ff (Reserved)
17 (Set Time Zone)
2 Bytes, desired UTC time zone * 10
1a (Set CO
2
Calibration)
00 (Restore Factory Calibration)
03 (Manual Calibration)
39 (Set CO
2
Auto Background
Calibration)
00: Disable, 01: Enable
25 (Set Button Lock)
00: Disable
01: Lock Display Mode Switch
02: Lock Power On/Off
03: Lock both features
2c (Enquire LED and Buzzer Mode)
00(Reserved)
2d (Screen Display)
00: Disable the display
01: Enable the display
2e (Set LED Mode)
00: Disable
01: Always On (AM319 Only)
02: Blink
3c (Set Display Mode)
01: Mode 1
02: Mode 2
03: Mode 3
3d (Stop the Buzzer)
00 (Reserved)
3e (Set Buzzer Mode)
00: Disable, 01: Enable
69 (Set Data Retransmission)
00: Disable, 01: Enable
ff03b004
Channel
Type
Value
ff
03 (Set Reporting Interval)
b0 04=>04 b0=1200s =20 minutes