Settings For Tally Call - Sony BVP-900 Series System Manual

3-2-3 Settings for Tally Call

Tally call of the CCU-700A/700AP/550A/550AP
The CCU-700A/700AP supplies the following call
signal from the INTERCOM REMOTE connector
when it receives the call signal from the MSU-700A/
750, RCP-700-series unit, and BVP-900/900P/950/
950P. This function is optional on the CCU-550A/
550AP.
NPN open collector
Maximum current: 30 mA
GND when a tally signal is output
Tally call of the BVP-900/900P
Use the following switches to set for tally call system.
MS
TEST OUT
VBS
VF
RET
CCU CALL
ON CCU CALL switch
OFF
CHU CALL
ON
CHU CALL switch
OFF
TALLY BRIGHT
UP
TALLY BRIGHT UP/VF controls
VF
Back tally control
MS-57 and AT-73 boards of the BVP-900/900P
Setting the lighting mode of the up tally lamp
Set the lighting conditions of the up tally lamps of the
BVP-900/900P and the viewfinder when the UP
TALLY switch on the rear of the BVP-900/900P is set
to ON.
To make the up tally lamps light or go out with a
control signal from the control panel: Set the CCU
CALL switch on the front panel of the MS-57
board to ON.
Factory setting: ON
To make the up tally lamps light or go out with a
control signal from the BVP-900/900P: Set the CHU
CALL switch on the front panel of the MS-57
board to ON.
Factory setting: OFF
Adjusting the brightness of the tally lamps
Adjust the brightness of the up tally and back tally
lamps of the BVP-900/900P and the up tally lamp of
the viewfinder as follows:
To adjust the up tally lamp of the camera: Turn the
TALLY BRIGHT UP control on the front panel of
the MS-57 board.
To adjust the back tally lamp of the camera: Turn
the back tally control on the AT-73 board.
To adjust the up tally lamp of the viewfinder: Turn
the TALLY BRIGHT VF control on the front panel
of the MS-57 board.
3-53
Chapter 3 Initial Settings