6 OPERATING INSTRUCTIONS
6.1 LOCALIZATION OF PROTECTION DEVICES WITHIN A CONTROL PANEL
1. Switch on the received by pressing the
(see Fig. 1 – part 2) is on and that the unit sounds intermittently (
Should it not, check and, if necessary, replace the internal battery (see § 7.1) or
contact HT's After-sales Service.
2. Connect the transmitter to the electric mains through the integrated plug. The ON LED
on the front of the instrument (see Fig. 2 – part 2) turns on and the unit automatically
activates and sends the signal into the circuit to be tested (see Fig. 3).
Fig. 3: Connection of transmitter to the circuit to be tested
3. Bring the sensitive element of the receiver above the transmitter (see Fig. 3) and check
for a continuous sound (
LED turning off (see Fig. 1 – part 2) indicate that the signal has been recognized.
4. Keep the receiver near the energized control panels and move in the direction in which
the intermittent sound of the unit becomes faster to signal that the source to be
searched is near (see Fig. 3).
). The green LED turning on (see Fig. 1 – part 3) and the red
Fig. 4: Localization of protection devices
EN - 6
/Reset button and check that the red LED
HT38
) at regular intervals.