HT instruments HT4022 - Manual (Page 39)

HT4020 - HT4022
EN - 6
4.1.3. Rubber cap use to hold test leads
A rubber holster is provided with the instrument. This standard accessory, when fitted on
the top of the clamp, can hold one of the two test leads, as shown in Fig. 3.
Fig. 3: Use of rubber test lead holster
This rubber holster has a very practical use. It allows the user to perform the
measurements with both test leads while, more easily, observing the value on the display
at the same time.
4.1.4. Disable Auto Power OFF function
In order to extend the battery life, the instrument switches off 5 minutes after the last rotary
switch or button actuation. When this function is enabled the symbol
is displayed.
To disable this function perform the herewith procedure:
1. Switch OFF the instrument
2. While
FUNC key is pressed switch on the instrument rotate the selector to any
position
Rotating the selector switch to the OFF position then back to any function again will re-
enable the Auto Power OFF function.