Tech Works IC-52B, Руководство по эксплуатации и установке, Страница: 13 / 26

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Jumper Options (Refer to the Block Diagram for Jumper Function)
OP PHANTOM
OFF ON
REM PHANTOM
OP MIC ON
S
W
IT
C
H
E
D
A
L
W
A
Y
S
REM MIC ON
S
W
IT
C
H
E
D
A
L
W
A
Y
S
NOTCH
FILTER
REMOTE MIC
OPERATOR MIC
CALL TONE
PA OUTPUT
AUDIO
ON OFF
ALERT
REM MIC ON
OP MIC ON
CALL TONE RUNNING
1
0
m
S
2
0
0
m
S
CHANGEOVER
DELAY
CALL TONE
C
O
N
T
IN
U
O
U
S
O
N
E
C
Y
C
L
E
OP SPKR ON
REM SPKR ON
S
W
IT
C
H
E
D
A
L
W
A
Y
S
MIC MIC
H
I
C
U
T
M
E
D
C
U
T
O
P
E
Q
Tech Works
IC-52
H
I
C
U
T
M
E
D
C
U
T
REV- B-1
UNUSED
OP REM
SOURCES
R
E
M
E
Q
REM GAIN OP GAIN
LO HI OFF ON LO HI
P
1
6
P
1
7
P
1
8
P
1
9
P
2
0
P
2
1
P
1
2
P
1
3
P
6
P
1
1
P
5
P
1
5
P
1
4
P9 P8
P3 P2
P
7
P
1
0
P
1
P
4
IC-52B Main Board Jumper Locations
Control Functions Jumpers:
Change Tone Shutoff
The Call Tone is edge triggered by a Switch Closure
The Call Tone is Cancelled by the a PTT Switch Closure
The Call Tone may run a single cycle and Stop
ONE CYCLE
Or Run continuously until the PTT switch is pressed CONTINUOUS
Change Over Delay
These Jumpers control the switching time from the Remote Speaker being active, to the
Remote Microphone turning on. When the
Remote Speaker is also being used as the
Remote Microphone it is necessary to have a small delay or an acoustic pop will be heard at
the Operator position. The amount of delay is determined by experiment.
Delay:
~10mS, Normal for separate Microphone and Speaker 10mS
in a non-reverberant environment
Severe Reverberant Environment
200mS
Or Remote Speaker also being used as a Microphone