Maintenance - Extech Instruments 160273 User Manual

Scale Testing and Configuring
Test Mode
1. To enter the Test mode, press any key while powering the Scale and release the key once the
Scale powers. The WEIGHT LCD will read CAL.
2. Press and hold the "1" key to verify that the LCDs are operating normally. This will allow you to
view all the LCD indicators at once for possible display errors.
3. Press the "2" key to start testing the numeric keys. After pressing the "2" key, begin pressing
the numeric keys one by one to verify their operation. Press the CE key to close the test.
4. Press the "3" key to enter the Configuration mode (see below).
Configuration Mode
(Note: Use the WT SET key to step through the following parameters. Any changes made by the user
while stepping through the parameter list must be followed by a TARE keypress in order to store data
and move to the next step.)
Program Step
Auto Power OFF
Back light

Maintenance

Battery Recharging
When the low battery symbol appears on the lower right hand side of the WEIGHT LCD (left),
connect the AC adapter to the Scale and to a 110VAC 50/60Hz receptacle. The battery status LED
that sits between the center LCD and the rightmost LCD has three states:
GREEN: Battery fully charged
AMBER: Half charged
RED: Battery needs recharging
Parameter
PO
P1
8
Selections
= 0 (Auto Power OFF is defeated)
= 1 (after 5 mins.)
= 2 (after 10 mins.)
= 3 (after 20 mins.)
= 4 (after 30 mins.)
= 0 (OFF)
= 1 (ON)
= 2 (ON only when weight is on platform)