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User Manual
Impedance Measurement Instrument ZPM 4000
Before the first use,
Please first read thoroughly this manual, to learn about all the features of this device.
Furthermore it will prevent from faulty operation and protect the device against possible
damages due to maloperations. Preserve this manual for future look up.
Controls and connectors
(1) Button „EIN": Press until → Power up
the device, further pressures to turn on/off the background lighting.
(2) Button „AUS": Press until → Power off
(3) Button „FREQ +" increases the measuring frequency
(4) Button „FREQ -" decreases the measuring frequency
(5) Button „T1" Stepwise frequency selection
(50, 1k, 10k, 16k, 20k, 22k)
(6) Button „T2" Not used (Only special versions)
(7) Display 2 lines 16 characters
(8) 2 x 4-mm-connectors for test leads
(9) RS 232 Firmware update and COM-functions in
special version.
Field of application
The impedance-measuring instrument ZPM 4000 serves to the measurement of the
impedance (Z) and the phase of singles-loudspeakers and loudspeaker-lines. The
processor-controlled measurement can be realised at a selectable frequency from 25 Hz
to 25 kHz.
First operation
The batteries
Unscrew and open the battery-compartment-cover on the rear of the instrument.
Four 1.5-V-Batteries, Mignon size (AA) have to be inserted as described inside the
battery-compartment. NiCd - or NiMH-types should not be used because of theirs lower
tension.
Close the battery-compartment again tight the screws.
Power up
Press and hold on the button (1) until "ic audio ZPM 4000" appears on the display. The
actual battery-tension and OK, if the state of charge is sufficient, will be prompted for a
few seconds. The full battery-tension is approximately 6.3 V. If this one gets under 5.5V
then the batteries are weak and should be replaced soon. At a voltage of 5.1V and below
no measurements will be feasible. If on the display (7), the information „battery empty"
appears or if the display does not react after switching on, then the batteries must be
renewed.
Always turns off the device with the button (2) after use to save battery power. If the
instrument is not in use for longer time we recommend removing the batteries to avoid
leakage damages.
ic audio GmbH • Boehringerstraße 14a • D-68307 Mannheim • Germany
Fon: ++49 (0) 621 / 77096 -0 • Fax: ++49 (0) 621 / 77096 -26 • Email: info@ic-audio.com
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Inhaltszusammenfassung für IC Audio ZPM 4000
- Seite 1 Close the battery-compartment again tight the screws. Power up Press and hold on the button (1) until “ic audio ZPM 4000” appears on the display. The actual battery-tension and OK, if the state of charge is sufficient, will be prompted for a few seconds.
- Seite 2 Disconnecting the speakers. Please note the following advises: Only operate the ZPM 4000 in inside-areas. Protect it from drip and splashing water, high humidity and heat. (Temperature range of 0-38 °C / 32-100 °F) For cleaning only use a dry, soft cloth, by no means of solvents or water. No responsibility for resultant damages, injuries and a warranty void results in case of misuse, faulty operation, wrong connection, overburden or non expertly repair.
- Seite 3 (8) 2 x 4-mm-Buchsen zum Anschluss der Messleitungen (9) RS 232 (Funktionen nicht in allen Varianten belegt) Einsatzmöglichkeiten Das Impedanzmessgerät ZPM 4000 dient zur Messung des Scheinwiderstandes (Z) und der Phase von Einzellautsprechern und Lautsprecherlinien. Die prozessorgesteuerte Messung kann im Bereich von 25Hz bis 25kHz durchgeführt werden.
- Seite 4 RS 232 Maße (BxHxT): 98x204x53mm Gewicht: 420g (mit Batterien) Änderungen vorbehalten. ic audio GmbH • Boehringerstraße 14a • D-68307 Mannheim • Germany Fon: ++49 (0) 621 / 77096 -0 • Fax: ++49 (0) 621 / 77096 -26 • Email: info@ic-audio.com...