21
8.14 Buzzer
The CW10 beeps once for every valid key-press (operation),
and beeps twice for every invalid key-press.
8.15 Additional Power-on Function
Hold one of the keys below, and turn the function switch
from OFF to any position to configure various function.
Key
Configured Function
Upward
of
Cursor key
Display of the software version.
Example: c128
Downward
of
Cursor key
Disable (cancel) Auto power off.
Leftward
of
Cursor key
Disable (cancel) Backlight.
HOLD
key
(ZERO)
Display all LCD symbols approx. 10 sec.
9. Battery State display and Battery Replacement
9.1 Battery State display
A decrease in the battery voltage is displayed in
the following four steps.
Replace the battery as soon as the low battery (4 Replacement)
indicator appears, to avoid inaccurate reading.
1
2
3
4
Full
Replacement
2/3
1/3
9.2 Bayttery Replacement
• Turn the function switch to OFF and remove the test leads before
the battery case is opened.
• Insert the battery correctly to the holder with their polarities.
<2>
<1>
<3>
