1. Before Use
14
RUN/HOLD Switch
This switch is used to select free-run status or hold status for display.
This switch is set to RUN when the power is ON.
It is also used as a switch for starting measurement of a standard sample, or white board.
CAL Switch
This switch is used to perform zero-adjustment.
Internal shutter of BM-7AC make a shaded state and perform measurement in the shaded state,
and saves the value.
The saved value in the shaded state is subtracted from the measurement value and the result is
displayed.
Zero-adjustment should be performed with the cap to the Eyepiece attached.
MODE Switch
By pressing this switch in the HOLD state (when [HOLD] of the RUN/HOLD switch is blinking),
the display mode of the measurement data can be changed.
Each time the switch is pressed, the display mode changes as shown below.
xy/L
→
u'v'/L
→
XYZ
→
Tc/duv/L
→
xy/L
……
This switch is set to xy/L mode when the power is turned ON.
LIGHT Switch
This switch is used to switches ON/OFF the lighting (backlight) to the LCD.
The switch is set ON when the power is turned ON.
■
Inner Switches/Buttons
―
Buttons
―
FUNCTION
This button is used to enter/return from the function mode.
Press this button once to enter function mode, and press it again to return form function mode.
ENTER
This button is used when changing the display page and when storing the data in the memory
after entering value.
CHANGE
This button is used to change setting.
ON
Dip switches
ON
LOCAL
REMOTE
USB
RS-232C
SOURCE
OBJECT
ABS
DIF
FACTOR A
FACTOR B
PROTECT
WRITE
ON ONLY
ON ONLY
1
2
2
3
4
5
6
7
8
FUNCTION
ENTER
CHANGE
ROTATION
SHIFT
1 2 3 4 5 6 7 8
Buttons