User's Manual

1- Appearance Description

Model S50Plus

Power On

Press anykey to power on

Power Off

Long press 【C】to turn it off, shutdown after offline for 1 minutes

Press 【OK】 to sign in or input numbers according to the indication on

keypad and press 【OK】 to sign in，LCD will show “Sign In OK ” after

successful registration

Input student ID according to the indication on keypad and press 【OK

】

to sign in

Vote

Press【√】【X】【?】 for yes/no/abstain, and LCD will

show“Received” if successfully submit.

Judge

Press 【√】/【X】 for yes/no or true/false

Single Choice

Press alphanumeric keys to submit your answer directly

Multiple Choice

Sequence

Numeric/Score

Press alphanumeric keys to select your answer and press 【OK】 to

submit

Rush Answer

Press 【OK】 for the fastest response

Others

See voting functions below for Text , Message ,examination and

homework

LCD Display

Cancel

Decimal Point

Submit

Yes/For

No/Against

Abstain

Shift

0/Space

UP/DOWN

Channel

Keypad ID

Alphanumeric

Keys