Citizen CT915 Thermometer User Manual


 
- Eng 22 -
Method of adjusting display contrast
1. Push and hold the POWER/MEASURE switch for a while (about 1 second) to turn on
the power.
2. Push and hold both right (s) and left (t) shift switches simultaneously for a while
(about 1 second), and the display contrast adjustment screen appears.
3. To heighten the contrast, push the right (s) shift switch. To lower the contrast, push
the left (t) shift switch. The contrast can be adjusted to 5 levels.
4. Push the POWER/MEASURE switch twice [push and hold it for a while (about 1 sec-
ond) at the second time] to turn off the power.