HT instruments HT32 - Manual (Page 9)

HT32
EN - 8
4.2. FUNCTION KEYS
When pressing a key, the corresponding symbol is displayed with a beep. To resume
default state turn the selector on another function.
4.2.1. MIN MAX
By pressing MIN MAX key, maximum and minimum values are measured. Both values are
stored and can be recalled by pressing the same key. The symbol corresponding to the
desired function is displayed: “MAX” for maximum value, “MIN” for minimum value. MIN
MAX key is disabled when HOLD function is active. To exit this function keep MIN MAX
key pressed for at least 1 second or rotate the selector to another position.
4.2.2. RANGE
By pressing RANGE key, the manual mode is activated and the “AUTO” symbol
disappears from the display. Press RANGE cyclically to change the measuring range and
fix the decimal point on the display.
To exit this function keep RANGE key pressed for at least 1 second or rotate the selector
to another position.
4.2.3. HOLD
By pressing HOLD the measured value is frozen on the display where the symbol “HOLD”
appears. To exit this function press HOLD again or rotate the selector to another position.
4.2.4. Disable Auto Power OFF
When the meter is to be used for long periods of time, the operator might want to disable
the Auto Power OFF function. Once the Auto Power OFF function is disabled the meter
stays on continuously. To disable the Auto Power OFF function:
 Switch OFF the meter.
 Turn ON the meter keeping pressed MIN MAX and RANGE keys.
The Auto Power OFF function is automatically activated when turning ON again the meter.