OPERATORS MANUAL |
CP 52 |
COMMERCIAL PROCESSOR
QUICK START
If you were the type that cheated on school book reports by just skimming through the reading assignments, then this section is for you! It gives you not quite enough information to really know what you’re doing. But, if you follow the recommended set up procedure, you should get at least a “B.”
Keep the amplifiers and the CP 52 turned off until all connections are made.
PAGE INPUT
Connect the PAGING INPUT to the Euroblock on the rear panel. On the front, select the appropriate MIC or LINE switch position. Then set the gain with the PAGING TRIM control, then set the PAGING DETECT THRESHOLD and finally the PAGING LEVEL. PHANTOM POWER, HIGH/LOW CUT FILTER and PAGE LEVEL TRACKS ZONE LEVEL switches are located on the rear panel.
PROGRAM INPUTS
Connect line level program sources to the RCA PROGRAM INPUT jacks (LINE 1, 2, 3 & P). If you have a priority program, like a jukebox, connect it to the PRIORITY Input. The Program PRIORITY assign switch turns priority override ON or OFF. The Priority program is automatically selected when signal is detected at its Input. Set the
PROGRAM DETECT THRESHOLD and RELEASE TIME as desired.
ZONE EXPAND
Wire the ZONE EXPAND Output Euroblock as required to a mono feed delivering PAGE-only, PROGRAM-only or ZONE (both) signal depending on the switch setting. This Output uses a cross-coupled line driver and may be used balanced or unbalanced. Adjust the ZONE EXPAND LEVEL trim as desired.
ZONE OUTPUT
The ZONE OUTPUT uses a cross-coupled line driver and may be used balanced or unbalanced. Set the front panel LIMIT THRESHOLD as required. Depress the MONO switch for a mono Zone.
ZR 1 REMOTE
You may use one ZR 1 Remote (sold separately) with the CP 52. Wire it to the ZONE REMOTE Euroblock as indicated. If a ZR 1 remote is not used, any simple switch closure to GND will work for the D0 and D1 pins. These pins are TTL compatible (0 to 5 VDC). The logic is inverse Gray Code. Any ground referenced 5 volt DC control may be used as the input to Vc. Do not ground the Vr pin.
The CP 52 is very versatile. While this makes a large number of system applications possible, it also results in complexity. For this reason, it is important to use an organized approach for setup and calibration. A highly recommended setup procedure appears on page Manual-7. By following it you will encounter fewer problems and reduce the need to increase our collective phone bills.
CAUTION: Never connect anything except an approved Rane Power supply to the thing that looks like a red telephone jack on the rear of the CP 52. This is an 18 VAC center tapped power input. Consult the Rane factory for a replacement or substitution.
WEAR PARTS: This product contains no wear parts. |
Manual-1 |
CP 52 - FRONT PANEL
PAGING TRIM control adjusts the Page Input preamplifier gain to match the microphone/source in use, not to set the Page level in the Zone Output. The range is 30 dB to 60 dB.
PAGING MIC/LINE switch selects a 30 dB Input Pad when set to LINE. Phantom Power is disabled when LINE is selected.
PAGING DETECT THRESHOLD sets the Page signal level required to gate a Page on and illuminate the ACTIVE indicator (see ). The range is -∞ (on) to +4 dBu.
PAGING OL (Overload) indicator lights when the Page Input preamplifier comes within 3 dB of clipping.
ACTIVE indicator lights when the Page signal level reaches the Paging Detect Threshold. Note that a Page is always Active when the PAGING DETECT THRESHOLD is set to minimum (ccw).
PAGING LEVEL control adjusts the Paging Level in the Zone.
PAGING LIMIT THRESHOLD control sets the maximum output level for a Page. This is a true voltage Limiter circuit with a ratio of 15:1. The Threshold range is -20 dBu to +20 dBu. The THRESHOLD indicator lights during limiting.
PROGRAM INPUT LEVEL controls allow independent adjustment of level for each Program Input.
ZONE DUCKER DEPTH control sets the Ducker Depth (the amount of Program attenuation during a Page) from 50 dB (ccw) to 6 dB (cw). The Ducker release is ramped.
ZONE DUCKER OFF/ON switch turns the Ducker ON or OFF.
ZONE PROGRAM SELECT switch assigns one of four Program Inputs to the Zone Output.
ZONE RMT switch, when pushed in, turns control of Zone Level and Zone Program Selection over to the Zone Remote Port. Front panel ZONE LEVEL and ZONE PROGRAM SELECT controls are inactive when RMT is selected. An optional wired ZR 1 remote may be connected to the Zone Remote Port. An object smaller in diameter than the switch button is required to engage the RMT switch.
ZONE SIG/OL indicators show Signal present at -20 dBu and Overload at +16 dBu (4 dB before clipping) respectively.
ZONE LEVEL control adjusts the overall Level for the Zone Output. If the rear panel PAGE LEVEL TRACKS ZONE LEVEL switch is ON, this control also effects the Paging Level.
ZONE LIMIT THRESHOLD control sets the maximum level for the Zone Output. This is a true voltage Limiter circuit with a ratio of 15:1. The Threshold range is -20 dBu to +20 dBu. The THRESHOLD indicator lights during Limiting.
GRAPHIC EQUALIZER controls are “stereo,” with each slider controlling the response of both Left and Right channels. These controls allow ±12 dB adjustment of seven ISO center frequencies on 11/3 octave centers.
PWR indicator lights when the CP 52 is connected to a powered RS 1 power supply.
Manual-2
CP 52 - REAR PANEL
Chassis Ground Screw provides a convenient earth (technical) ground connection point. The CP 52 does not ground the chassis through the power cord. It is important that the unit be grounded.
POWER jack accepts the cable from a Rane RS 1 remote power supply (included) or an optional Rane RAP 10 power supply. This is not a telephone jack. Use of a supply not approved by Rane may damage the unit and void the warranty.
ZONE REMOTE Port provides the wiring interface for the optional ZR 1 wired remote. The ZR 1 remote provides remote control of Zone Level and Zone Program Select functions. Refer to page Manual-5 for details.
ZONE OUTPUT Port features a balanced cross-coupled line driver with a Euroblock connector. These Left and Right Outputs may be wired balanced or unbalanced.
MONO switch, when pressed in, sums the left and right signals to provide a mono Zone signal available at both Left and Right Outputs.
ZONE EXPAND Port features a balanced cross-coupled line driver with a Euroblock connector. This mono Output may be wired balanced or unbalanced.
ZONE EXPAND switch assigns PAGE-only, PROGRAM-only or full ZONE (both) as the source for the Expand Output.
ZONE EXPAND LEVEL trim adjusts the signal level delivered to the ZONE EXPAND OUTPUT.
PRIORITY RELEASE TIME control sets the delay time from last detected signal to release of automatic priority override. The range of control is 5 seconds (ccw) to 20 seconds (cw).
PRIORITY OFF/ON switch allows disabling the automatic priority override function when in the OFF position.
PRIORITY DETECT THRESHOLD control allows adjusting the threshold from -∞ (signal on) to -35 dBu (typ). The factory setting is -50 dBu.
Four PROGRAM INPUTS are provided. Three are non-priority Inputs. The fourth is a Program PRIORITY Input. When signal is detected at this Input, it is automatically selected as the Program Input source regardless of the front panel PROGRAM SELECT setting.
PAGE LEVEL TRACKS ZONE LEVEL switch, when ON, forces the Paging level to track the Zone level. When OFF, Paging level and Zone level are independent.
HIGH/LOW CUT FILTER switch, when IN, limits the bandwidth of the Paging Input from 100 Hz to 7 kHz, improving intelligibility in some installations. The Paging detector is always bandlimited to 100 Hz to 7 kHz.
PHANTOM POWER switch, when ON, enables +15 volt Phantom Power to the PAGING INPUT Euroblock. If the front panel LINE switch is selected, Phantom Power is defeated.
PAGING INPUT Euroblock connector may be wired balanced or unbalanced.
Manual-3
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