NR-CHP
Operation Manual
8
5.2 NR-CHP back side with
Control unit panel
Control unit consists of membrane keyboard with two nonlocking
buttons and 3 indication LEDs (fig.3)
Button (1) is intended for Detector switching On & Off ,
LED (pos. 2) is used for Detector active mode confirmation.
Button
ATT
is intended for received signal attenuation value.
Two red LEDs (pos. 3) are used for -10 &-20 dB attenuation level
confirmation.
1
4
2
3
6
5
Fig. 3
NR-CHP
Back side
.
1- ‘On-Of button’, 2- ‘On’ confirmation LED,
2-
3- (-10dB) &(-20 dB) attenuation confirmation LEDs,
4- attenuator adjustment button,
3-
5- battery compartment, 6- battery compartment lock