Amprobe DM-4 Power-Quality-Recorder - Manual (Page 8)

3.4 STORAGE
For long time storage, please remove batteries to prevent leakage into the unit. Store
unit in a safe location with room temperature conditions. To guarantee accurate
measurements after a long storage period in severe environmental conditions, wait
until the instrument resumes its normal conditions (see environmental conditions
listed in paragraph 13.2).
4. HOW TO OPERATE
4.1 INSTRUMENT: DESCRIPTION
4.2 KEYBOARD: DESCRIPTION
The following keys are available:
ON/OFF: turning on – turning off / (Green LED for AC and Red LED for Battery)
RECORD: to start/stop manually a recording
RESET: to reset the unit
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DM-4 Power Quality Recorder
LEGEND
1. Voltage Inputs
2. Current Inputs
3. Infrared Ports
4. External Power
Supply Plug
5. RS232 Serial Connector
6. ON/OFF Push Button
7. Record Push Button
8. Reset Push Button
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