2-26
2.7.5.1
Auto Iris Lens
The lens iris control in an auto iris lens is completely internal to the
lens. No connections are made between an auto iris lens and the
control receiver.
2.7.5.2
Motorized Manual Iris Lens
To use a motorized manual iris lens with the control receiver,
Resistors R16 and R17 must be installed on the board the lens is
connected to. Option C for Automatic/Manual Iris (Relay K1)
cannot be installed on the board.
The following connections are made between a motorized manual
iris lens and the control receiver.
CONTROL RECEIVER
TB1
MOTORIZED IRIS LENS
Terminal 5, LENS -
Ground (same as LENS COMMON)
connected to common side of iris motor if
it is separate from LENS COMMON.
Terminal 4, IRIS
+ and - output to lens iris motor. Iris is
variable between
±
12 Vdc to
±
3.5 Vdc. It
is adjustable at R7.
Terminal 6, LENS+
Not Used
Terminal 7, LENS OUT
Not Used
Summary of Contents for CRX-501
Page 8: ......
Page 20: ...2 6 ALL MODELS Figure 2 1 MOTHER BOARD PART NUMBER 517484 X040...
Page 21: ...2 7 MODELS CRX 502 AND CRX 520 ONLY Figure 2 2 EXPANSION BOARD PART NUMBER 517482 1040...
Page 31: ...Figure 2 3 MODEL CRX 501 BASIC SYSTEM BLOCK DIAGRAM 2 17...
Page 32: ...Figure 2 4 MODEL CRX 502 BASIC SYSTEM BLOCK DIAGRAM 2 18...
Page 33: ...Figure 2 5 SYSTEM WITH MULTIPLE RECEIVERS AND VIDEO SWITCHER 2 19...
Page 44: ...2 31...
Page 45: ...2 32...
Page 46: ...2 33...
Page 47: ...2 34...
Page 48: ...2 35...
Page 49: ...2 36...
Page 51: ...3 2 Figure 3 1 Mother Board Indicators...
Page 53: ...3 4 Figure 3 2 Expansion Board Indicators...
Page 61: ...4 4 This page left blank intentionally...
Page 63: ...Figure A 1 TYPICAL INSTALLATION FOR CRX 500 SERIES RECEIVER WITH OPTION B1 OR B2 INSTALLED A 2...
