Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Sweep time cm Selects desired sweep rate from calibrated steps or admits external signal to horizontal amplifier.
Sweep time cm Variable Provides continuously variable sweep rates. Calibrated position is fully clockwise.
Position Controls horizontal position of trace on screen.
Horizontal Variable Controls the attenuation reduction of signal applied to horizontal aplifier through Ext. Horiz. connector.