GSS AR 5218, Инструкция по сборке

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4 Adjustments
4.1 Removing the housing cover
• Remove screw
B
(Fig. 1) and take off the housing cover.
4.2 Position of the adjustment elements (Fig. 2)
C
– Attenuation control (output level)
F
– Return channel confi guration
D
– Line equalization control
G
– Attenuation 0/10 dB
E
– Attenuation control (input/return channel) (output/return channel)
4.3 Level adjustments
• Use the attenuation control
C
(output level) and
E
(level of the return channel) to
set the necessary HF level, Fig. 2, (factory setting – full to right = 0 dB).
• Put the attenuation jumper
G
in vertical (“off = 0 dB”) or horizontal direction
(“on = 10 dB”).
• Use control
D
, Fig. 2, to set the line equalization
(factory setting – full to right = 0 dB).
4.4 Confi guring the return channel
• Position the jumpers
F
(Fig. 2) according to Fig. 3 (factory setting – active).
HF output /
return channel
input
HF input /
return channel
output
158 mm
HF output /
return channel
input
HF input /
return channel
output
158 mm
!
-20 dB 0 dB
0 dB
-20 dB 0 dB
18dB
# $
"
!
-20 dB 0 dB
0 dB
-20 dB 0 dB
18dB
# $
"
Fig. 1: Assembly / Connections Fig. 1: Assembly / Connections
Fig. 2: Positions of the adjustment elements Fig. 2: Positions of the adjustment elements
”on = 10 dB” ”off = 0 dB” ”on = 10 dB” ”off = 0 dB”
"active" "passive" "locked" "active" "passive" "locked"
Fig. 3: Positioning the jumpers Fig. 3: Positioning the jumpers