NR-900S
Operation Manual
11
4. Operational mode switch
Search
Listen
with LED
confirmation (blue LED corresponds to
Search
ing mode).
5. Probing signal output power switch
P
with LED confirmation:
0, -6 dB, -12 dB.
If the LEDs are dead - the transmitter is off.).
6. Headphone volume control buttons
<
,
>
for audio signal
adjustment.
7. 2
nd
harmonic bar-graph indicator (16 red LEDs).
8. 3
rd
harmonic bar-graph indicator (16 green LEDs).
NOTE:
Both signal level bar-graph displays are divided to 4
equal sections with 4 LEDs in each.
Every LED corresponds to 2.5 dB, thus every section matches to
10 dB of a probing signal level harmonic - 2-nd or 3-rd.
The battery compartment for two Li-Ion Soshine 18650 rechargeable
cells is located inside an ergonomic handle
(see pos. 4 at the fig. 3).
Its bottom cover is supplied with rotating lock.
The jack for headphone connection is on the left side of the
device body (pos. 4 at the fig.3).
6. ACCESSORIES
IMITATOR
Target
Imitator
(test unit)
is intended for NR-900S
workability control (fig.
9). Imitator represents
high-frequency semi-
conductor diode in a solid
plastic body.
Fig. 9 NR-900S Imitator (test unit)
