Downlink Commands for Auxiliary Features

This section describes the downlink commands for the auxiliary features.

Configure General Parameters

Command description:
Item Byte Command Value Example
Reboot 1 be - -
Temperature Unit 1+1 63 00=°C, 01=°F Set unit as °F: 6301
Enquiry Periodic Report 1 b9 - -

Configure Button Parameters

Command description:
Item Byte Command Value Example
Button Customization 2+1 7100 00=Disable, 01=Enable Enable: 710001
Button 1 2+1 7101 01=Temperature Control Mode (default), 02=Fan Mode, 06=Event 1 Report, 07=°C or °F switch Button 1 sets Event 1 Report: 710106
Button 2 2+1 7102 01=Temperature Control Mode, 02=Fan Mode (default), 06=Event 2 Report, 07=°C or °F switch
Button 3 2+1 7103

00=System On/Off (default), 06=Event 3 Report, 07=°C or °F switch
Child Lock 1+3 72 Byte 1: 00=Disable, 01=Enable
Byte 2-3: for every bit: 0=Disable, 1=Enable
Bit Button
0 Temperature +
1 Temperature -
2 System On/Off
3 Fan Mode
4 Temperature Control Mode
5 Reset
6 Power On/Off
7 Cancel Pairing
8-10 0
11 Button 1 Event Report
12 Button 2 Event Report
13 Button 3 Event Report
14 °C | °F switch
15 0
Enable Child Lock and lock temperature +/-: 72010300
Temporary Unlock 1+2 81 Byte 1: 00=Disable (default), 01=Enable

Byte 2-3: Unlock time, Unit: s, Range: 1-3600, Default: 30

 Enable temporary unlock and unlock time is 3600s: 8101100e
Temporary Unlock Button 1+1 80
For every bit: 0=Disable (default), 1=Enable, at least two buttons must be enabled
  • Bit 0: Button 1
  • Bit 1: Button 2
  • Bit 2: Button 3
  • Bit 3: Button 4
  • Bit 4: Button 5
 Press Button 1 and 2 together to unlock: 8003

Configure Screen Parameters

Command description:
Item Byte Command Value Example
Screen Display 1+1 75

00=Disable all, ff=Enable all (default)

For every bit: 0=Disable, 1=Enable
  • Bit 0: Temperature Control Schedule
  • Bit 1: Temperature
  • Bit 2: Humidity
  • Bit 3: Target Temperature
 Disable temperature display: 750d
Temperature Control Mode Display 1+1 8a 00=Disable, 01=Enable (default) Disable: 8a00
Fan Mode Display 1+1 8c 00=Disable, 01=Enable (default) Disable: 8c00
Screen Smart Mode 1+1 62 00=Disable, 01=Enable (default) Disable: 6200
Backlight (WT401-Flat-FL Only) 1+1 89 00=Disable, 01=Enable (default) Disable: 8900

Configure Time Parameters

Command description:
Item Byte Command Value Example
UTC Time Zone 1+2 c7 INT16/60 UTC-4: c710ff
Daylight Saving Time 1+10 c6

Byte 1: 00=Disable, 01=Enable

Byte 2: DST bias, unit: min, range: 1-120

Byte 3-6: Start time, Month (1B)+Week&Day (1B) + Minute Time (2B)

Byte 7-10: End time, Month (1B)+Week&Day (1B) + Minute Time (2B)

Week&Day:
Bit7-4 Bit3-0
Week number, range: 1-5 Weekday, range: 1-7
Enable DST, start time is October 1st Sunday 2:00, end time is April 1st Sunday 2:00, bias is 60 minutes: c6013c0a17780004177800
Sync time from LNS 1 b8 - -

Configure Calibration Parameters

Command description:
Item Byte Command Value Example
Temperature Calibration 1+3 76 Byte 1: 00=Disable, 01=Enable

Byte 2-3: Calibration Value, INT16/100, Unit: °C, Range: -80 ~ 80

 Enable and set the temperature calibration value as -2°C: 760138ff
Humidity Calibration 1+3 77 Byte 1: 00=Disable, 01=Enable

Byte 2-3: Calibration Value, INT16/10, Unit: %RH, Range: -100 ~ 100