![](/images/new-backgrounds/1329729/32972917x1.webp)
51–54 Series II
Buttons
Buttons
| Turn the thermometer on or off. |
|
|
| , = stop displaying the minimum, |
maximum, and average readings. | |
(Shift | , = delete logged readings from memory. |
function) | , = toggle the IR port on and off. |
| Turn the backlight on and off. |
|
|
| Step through the maximum, minimum, and average |
| readings. |
| Switch between Celsius (oC), Fahrenheit (oF), and |
Kelvin (K). | |
| Freeze or unfreeze the displayed readings. |
| Toggle showing the T1, T2, and |
and 54) | |
| Start or exit Setup. |
|
|
| Scroll to a Setup option or increase the displayed |
setting. | |
| Scroll to a Setup option or decrease the displayed |
setting. | |
| Enter a Setup option or store the displayed setting. |
|
|
| Start or stop logging.* |
|
|
| Show toggle showing logged and MIN MAX |
readings.* |
* Models 53 and 54
7