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參數(shù)資料
| 型號： | ES51988 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3 3/4 AUTO REL/MAX/MIN |
| 中文描述： | 3 3 / 4自動REL /最大值/最小值 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 254K |
| 代理商： | ES51988 |
13 91年11月28日
3 3/4 AUTO REL/MAX/MIN
ES51988
Auto-Power-off function:
Once power on the ES51988, the auto-power-off function will be enabled
and if the functions are not changed in 30 minutes, the auto-power-off condition
will be happened and SLEEP pin output will change from +3V to –3V. When power-off
happens, the final data is saved. If continue to press anyone of the pushed function
(except HOLD pin)then power on the ES51988, the auto-power -off function will be
disabled , and LCD segment "APO" will be turned off.
(3) Buzzer
The BUZZER turns on in the following condition :
1 beep : Measurement function changed ,power and re-power on ,
RANGE, HOLD, MAX/MIN, REL, SET or KEY are pushed.
3.3 beeps : Input reading overrange. (except diode,ohm,continuity,
frequency function used)
2.0 KHZ continue: Continue check (Bargraph number<=3).
2.0 KHZ continue 1.5 sec : Auto-power-off.
BUZZER output waveform :
2.0 KHz ( continued )
beeps (3.33 beeps/sec)
0.5 mS
0.3 sec
0.15 sec
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