2.4 Specification and Usage of Student (Audience) remote controller:
Specification and Usage of Teacher
(Host) remote controller
Function
Used by student (or
audience) for
sending real-time
message in activity
such as interactive
Q&A, testing
(voting), etc.
Dimension
（
mm
）
49
×
104
×
15
flat rectangle
Weight
55g
(include batteries)
Working
temperature
0-40 °C
Relative Working
humidity
0-90%
Power source
Two AAA batteries
or alkaline batteries
Effective
radiating angle
360 degrees
Longest distance
100m in spacious
area
1. Signal emitter: Emitting electromagnetic
wave signal. Please aim the emitter at
receiver when emitting.
Note: Keep the shield transparent to
guarantee the receiving.
2. LCD: Display ID, working mode,
selected answer, status, etc.
3. Keys: Select option and achieve
various functions. (Detailed instructions
are as below)
Each part functions as follows:
1. LCD