User's Manual

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R-138a 3 Beds Diaper Wetness Display

Functions

- Receive signals from wetness sensors and call buttons of 3

users.

- Display the status of users including diaper wetness and

call events.

- Configure the sensitivity of different wetness levels.

- Bidirectional transfer/receive of signals from/to wetness

sensors and call buttons for a reliable communication.

- Networking – signals from wetness sensors and call

buttons can be forwarded to the Wetness Care system.

- Signal repeating – a tree-topology network can be formed

and the devices can act as repeaters.

- The network can be optimized easily – Wetness Care

system controls the hierarchy.

- Anti-glare – darker indication LEDs in dark environments.

- The brightness of indication LEDs can be set using the Wetness Care system.

Specifications

Power supply AC adapter 5V DC

Battery LC 18650 3.7V Lithium battery

Power consumption Max 100mA

Low battery indication 3.4V – acknowledge, 3.2V – power off

Installation Wall-hanging

Number of users Max 3 users

Communication 433.92MHz, FSK, 57.6K bit rate

Address length 16 bit

Operating temperature range

0 – 60 ℃

Summary of content (5 pages)

PAGE 1
R-138a 3 Beds Diaper Wetness Display Functions - Receive signals from wetness sensors and call buttons of 3 users. - Display the status of users including diaper wetness and call events. - Configure the sensitivity of different wetness levels. - Bidirectional transfer/receive of signals from/to wetness sensors and call buttons for a reliable communication. - Networking – signals from wetness sensors and call buttons can be forwarded to the Wetness Care system.
PAGE 2
Instructions of use Status display selection Power Communication LED Mute Network LED 1. Diaper wetness - 3 wetness levels – Wet, Damp and Moist. The sensitivity of different wetness levels may be configured. The buzzer may be turned on/off. Indications of status: Status Indications Sensor unclipped / wrongly clipped User indicator: Blinks; Buzzer: Beep-beep. Sensor battery low User indicator: Blinks; Low battery indicator: On; Buzzer: Beeps continuously after clipping on the diapers.
PAGE 3
- Sensor setting To enter the code-matching mode, place the sensor on top of R-138a as the figure. - If all user indicator LEDs are on, the sensor is new, unused. Whereas if a specific user indicator LED is on, the sensor is assigned to the corresponding user. - Press the corresponding user key to assign the sensor to the user. - Wetness display shows 3 wetness levels. Damp: 250ml; Moist: 150ml; Wet: 350ml. Press the buttons to change the volume of liquid for the “wet” level.
PAGE 4
Communication Status Display Explanation Network LED Off On No signal from the root for 3 mins. Root online. Communication LEDs Off Green LED blinks Red LED blinks - Explanation No data transmission. Data transmission – such as receiving sensor signals, signal repeating, or sending signals to other devices. Data transmission failure. To send a test signal to Wetness Care system, press the button. Power control and Battery replacement - The power indicator LED is on when the power is on.
PAGE 5
FCC Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Statement according to FCC part 15.105: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.