GRAPHTEC gl820 User Manual page 40

CHAPTER 3 Settings and Measurement
8. Clock display
Displays the current date and time.
Refer to page 3-39 for details on setting the date and time.
9. AC/battery display
10. Digital display
Displays the input value of each channel. Use the SPAN/TRACE/POSITION keys to switch the display. Use
the
The waveform of the active channel is displayed at the top.
Refer to page 3-7 for details.
For a channel with a calculation mark as shown below, calculation between channels is ON.
11. Quick settings
Displays items available for easy operation. Use the
keys to change values.
* The "SAMPLE" item cannot be changed during data capture.
12. Alarm display
Displays the alarm output terminal status.
The number with which an alarm has occurred is displayed in red. The channel with the alarm cause has a
red input value in the digital display area.
13. Pen display
Displays the position of each channel signal, trigger and alarm range.
Trigger position
Stop position
Start position
3−4
: Running on AC or DC power supply.
: Running on the battery. The remaining battery power is 100 to 91%.
: Running on the battery. The remaining battery power is 90 to 61%.
: Running on the battery. The remaining battery power is 60 to 31%.
: Running on the battery. The remaining battery power is 30 to 11%.
: Running on the battery. The remaining battery power is 10% or below.
• Data capture automatically stops when the remaining battery power drops to 10% or below during data
capture.
• The power is automatically turned off when the remaining battery power is 0%.
• If the power has been turned off due to battery shortage, inputting AC power will not turn on the power.
Turn off the power switch once and then turn it on again.
• Use the remaining battery power as a guideline because it is not accurate.
This indicator does not guarantee the operating time with battery.
key to select the channel you want to activate (enlarged display).
: Displays the input value.
: The span of the active channel can be changed using the
: The position of the active channel can be changed using the
: The ON or OFF of the active channel display can be changed using the
Alarm range
Rising Falling Win In Win Out
Calculation mark
keys to activate the Quick setting and the left/right
keys.
keys.
keys.