
P
AGE
6
04649-1098 <90-00194>
T
ABLE
C - 4003C L
OOPBACK
L
EVEL
S
ELECTION
(S14)
LOOPBACK
LEVEL
+16 dB
0 dB *
-16 dB
-23 dB
S14
POSITION 1
OFF
OFF
ON
ON
S14
POSITION 2
OFF
ON
OFF
ON
*
NOTE:
This setting 9 dB on those units
without an M3 label on the handle.
F
IG
. 4 - 4003C S
WITCH
AND
S
TRAP
L
OCATIONS
S9
ON
S14
S13
S10
ON
1 2 3 4
OFF
5
S7
1 2
ON
S8
OFF
1 2
ON
1 2 3 4
OFF
5 6 7 8 9 10
LOSS
GAIN
1
S4
ON
S1
S3
OFF
1 2
1
OFF
1 2
ON
ON
S2
OFF
1 2
1 2 3 4
OFF
5
*
Transmit and Receive - channel level switches are located on front panel
.1
.2
.4
.8
1.5
3
6
12
IN
IN
RCV*
M3
IN
IN
.1
.2
.4
.8
1.5
3
6
12
XMT*
LOSS
GAIN
INSTALLATION