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123B/124B/125B
Users Manual
10
Screen Brightness
By default the display is at the brightest setting. To extend
the battery life, you can decrease the brightness setting.
To change the brightness of the display:
1. With the Test Tool turned on, push for >3 seconds
and release.
2. Push
YZ to increase or decrease the backlight.
Menu Selection
The buttons on the keypad provide the navigation through
the functions you see on the display. For example, this is
the basic sequence for how to adjust a parameter:
open the MENU
YZ
move cursor to highlight USER OPTIONS
select the USER OPTIONS menu
YZ
move cursor to highlight Date Format
select DATE FORMAT menu
YZ
move cursor to highlight a date format
confirm the selection
YZWX
select the date
confirm the selection
Tips:
• Push a second time to close the MENU and
resume normal measurement. This toggle enables
you to check the menu without changing the settings.
• When you do not change an item with the cursor
keys, push to step through a menu without
changing the setup of the Test Tool.
• Gray text in a menu or button bar indicates that the
function is disabled or the status is not valid.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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