Fluke 117 Fluke 114,115,117 Manual - Page 10

114, 115, and 117 Users Manual Battery Saver ("Sleep Mode") The Meter automatically enters "Sleep mode" and blanks the display if there is no function change, range change, or button press for 20 minutes. Pressing any button or turning the rotary switch awakens the Meter. To disable the Sleep mode, hold down the g button while turning the Meter on. The Sleep mode is always disabled in the MIN MAX AVG mode. MIN MAX AVG Recording Mode The MIN MAX AVG recording mode captures the minimum and maximum input values (ignoring overloads), and calculates a running average of all readings. When a new high or low is detected, the Meter beeps. • Put the Meter in the desired measurement function and range. • Press p to enter MIN MAX AVG mode. • Mand MAX are displayed and the highest reading detected since entering MIN MAX AVG is displayed. • Press p to step through the low (MIN), average (AVG), and present readings. • To pause MIN MAX AVG recording without erasing stored values, press f. K is displayed. • To resume MIN MAX AVG recording, press fagain. • To exit and erase stored readings, press p for at least one second or turn the rotary switch. 8 Display HOLD XWWarning To avoid electric shock, when Display HOLD is activated, be aware that the display will not change when you apply a different voltage. In the Display HOLD mode, the Meter freezes the display. 1. Press fto activate Display HOLD. (K is displayed.) 2. To exit and return to normal operation, press f or turn the rotary switch. Backlight Press Q to toggle the backlight on and off. The backlight automatically turns off after 40 seconds. To disable backlight auto-off, hold down Q while turning the Meter on. Manual and Autoranging The Meter has both Manual and Autorange modes. • In the Autorange mode, the Meter selects the range with the best resolution. • In the Manual Range mode, you override Autorange and select the range yourself.