3
ventilated room with a temperature of 5
℃ ～
40
℃
and a relative humidity of not more than
85% RH. The air should not contain harmful impurities that corrode the measuring instrument.
Avoid direct sunlight.
1.3.4 warm up
In order to ensure the accurate measurement of the instrument, the warm-up time should be no
less than 30 minutes.
Do not turn the instrument on and off frequently as this may cause internal data confusion.
1.4 Instrument and other features
Power consumption: The power consumption is about 16 VA.
Shelf size (W * H * D): 215 * 88 * 335.
Overall dimensions (W * H * D): 235mm * 105mm * 360mm; this size includes the size of the
jacket.
Weight: about 3.85kg;
Chapter 2 Front and Rear Panel Instructions and Getting Started
This chapter describes the basic operation steps of JK9306 series instruments. Before using
JK9306 series instruments, please read this chapter in detail so that you can quickly familiarize
yourself with the operation of JK9306 series instruments.
2.1 Front panel description
Figure 2-1 briefly describes the front panel of the JK9306 series.
1
USB HOST
The USB HOST interface is used for USB flash disk storage and
upgrade.
2
Trademarks and models
Instrument trademarks and models
3
LCD liquid crystal display
480
×
272 dot matrix liquid crystal display for
human-computer interactive display
4
LCD liquid crystal display
To be used to enter the
“
Measurement Display
”
page
5
Universal direction key
(CURSOR)
Up, down, left and right direction keys and confirm key.
6
Setup function key SETUP
To be used to enter the
“
System Setup
”
page.
7
Comparison PASS / FAIL
display
In the file or comparison display interface, the comparison
result will be displayed by PASS / FAIL (green / red).
8
ENTER
After moving the cursor position, the soft key area corresponds
to different functions. Press to modify the corresponding
