7.1 MAX/MIN : (This function only applies to the channel shown in main display)
Pressing “MAX/MIN” button, the indicator “REC” appears at right side of LCD, the meter
will start to record the Maximum and Minimum values and calculate average value of measure-
ment reading.
Press “MAX/MIN” button again each time, main display changes from current measurement
reading to maximum value recorded with indicator “MAX” below “REC”, minimum value rec-
orded with indicator “MIN” at lower right side of “REC”, the difference between maximum and
minimum values with indicator “MAX-MIN” below “REC”, the average value during recording
with indicator “AVG” right to “REC”, and then back to current measurement reading.
Press and hold the “MAX/MIN” button for longer than 5 seconds to end the MAX/MIN record-
ing.
7.2 HOLD : (This function only applies to the channel shown in main display)
Press the “HOLD” button, the display holds the current reading and the meter stops further
measurement. Indicator “HOLD” is shown at top of the LCD.
Press the “HOLD” button again to release from the holding function and resume normal meas-
urement.
7.3 Hi/Lo : (This function only applies to the channel shown in main display)
Press the “Hi/Lo” button, to activate the out of limit alarm function. The indicator “LIMIT” ap-
pears at right side of LCD.
When the measurement value is higher than upper limit the beep send out an intermittent sound.
When the measurement value is lower than lower limit the beep send out a continuous sound.
Press the “Hi/Lo” button again, to disable the alarm function.
Refer to 8.15 for setting upper and lower limits.
7.4 REL
Δ
: (This function only applies to the channel shown in main display)
REL
Δ
: (This function only applies to the channel shown in main display)
Press “REL
Δ
” to store the current value as the reference, relative value against this reference
will be displayed for the measurements afterward.
7.5
:
Press this button to turn on the backlight function, press it again to turn the backlight off.
7.6 LOG (Data Logging) :
During measuring, press “LOG” button to continuously record the measurement readings of
the set channels at the set time interval until the “LOG” button is pressed again.
To set the channel for LOG function, please refer to section 8.12
To set the time interval for LOG function, please refer to section 8.18
To read the logged data, please refer to section 8.12
8
8.11 CHB RANGE-Select the Resolution for Cannel B (CHB)
Channel B can accept the voltage signal up to 2 volts; above 2 volts display shows OL. Place
the rotary switch at position “CHB RANGE”, change among Auto (“--.-.-” and “AUT” is shown
in display), “0.1” (“---.-” and “MAN” is shown in display) and “0.01” (“--.—” and “MAN” is
shown in display).
When “Auto” is selected, the meter will select most suitable resolution between “0.1” and
“0.01”, while the other two, the reading will be fixed in the selected resolution.
8.12 MEM VIEW CLR - Selecting the channel for data logging, Read recorded data and
Clear memory
There are 3 functions in this position “MEM VIEW CLR” :
1. SET function: Select the channels for data logging.
2. VIEW function: To read recorded data.
3. Memory Clear function: Clear memory and erase all the recorded data.
Place rotary switch at position “MEM VIEW CLR”, the meter enter the “Memory Access
Functions Selection Mode” with LCD shows the indicator “MEM” at lower-right corner and a
blinking indicator “SET” at upper-right corner.
Press direction keys
or to change the blinking indicator among “SET” (SET func-
tion), “VIE” (VIEW function) and “CLR” (Memory Clear function).
To exit this function, just turn the Rotary Switch to another position.
CLR (Memory Clear function: Clear memory and erase all the recorded data)
When the blinking indicator shows “CLR”, press “
” key to enter Clear function. The blink-
ing indicator changes to “YES”.
Press “
” key to clear memory and erases all the data recorded in the memory (this will take
some seconds), and return to “Memory Access Functions Selection mode” with blinking indica-
tor “SET” at upper-right corner.
Or press “ESC” key to abort the job and keep the data in the memory unchanged, and return to
“Memory Access Functions Selection mode” with blinking indicator “SET” at upper-right corner.
Press direction keys
or to change the blinking indicator to “SET” (SET function) or
“VIE” (VIEW function), or to exit this function by turning the Rotary Switch to another position.
VIE (VIEW function : to read recorded data)
There are 3 sets of data you can choose to read, namely “SAVE”, “LOG” and “LIMIT”, (cor-
responding to the functions of buttons “SAVE”, “LOG” or “ALMLOG”, respectively. Please re-
fer to section 7.6, 7.7, 7.8 for the functions of these buttons.)
When the blinking indicator shows “VIE”, press “
” key to enter VIEW function. The
blinking indicator “VIE” disappears. Indicators “READ MEM” and “SAVE” are shown at low-
er-right corner of LCD.
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