1
LCD display
2
HOLD key
3
key
4
Functions selector
4. NOMENCLATURE
4.1. INTRUMENT DESCRIPTION
Fig. 1: Instruments description
4.2. FUNCTION KEYS DESCRIPTION
HOLD key
By pressing HOLD key the measured value is frozen on the display
where the symbol "H" appears. Press again HOLD to disable this
function and resume normal operation
key
By pressing
key it's possible to activate/disabled the backlight
function on the display
24
5
Input terminal 10A
6
Input terminal VmAA
7
Input terminal COM
HT15D