MINDA PERSONAL PROTECTION SYSTEM RX-500 Maxi-MINDA Receiver Operating Instruction Rev 1.0 June 2000 Tactical Technologies Inc. 1701 Second Ave Folsom, PA 19033 610-522-0106 www.tacticaltechnologies.
IMPORTANT NOTE You are advised to read these instructions carefully and completely before using this equipment BUT, if you really cannot wait, the Quick-Start Guide found at the end of this manual will give you the basic do’s and don’ts... OVERVIEW Thank you for purchasing a ‘Maxi-MINDA’ RX-500 receiver which uses a low-power microprocessor to offer the following options: • A very secure Family Identity Code • Very low stand-by power consumption by using battery economizer.
recognized and decoded. All intelligent TX-500 Keyfob or TX-600 Belt transmitters will automatically transmit a signal long enough for this to occur. Possible problems when using a MINDA TX-400 transmitter can be eliminated by ensuring the transmit button on the keyfob is always pressed for at least one second. As supplied, unless a customer has requested otherwise, an RX-500 ‘Maxi-MINDA’ receiver normally has its battery economizer enabled while it is operating on its own internal battery and disabled (i.
RECEIVER JAMMING ALERT Any signal received on the frequency will cause the receiver to lock-on, whether it is local electrical interference, a transmission with a different family code, or a ‘wanted’ signal from a transmitter on your own family code. However, if the ‘Maxi-MINDA’ receiver is ‘jammed’ by a continuous unrecognized signal, after 5 seconds (factory re-programmable for longer periods) it will produce a series of rapid audible beeps. This allows the user to move to an interference-free location.
entirely automatically without disturbing the user unless he, or she, wishes to send a ‘Red’ alarm signal in the usual way. IMPORTANT NOTES: It is always possible that a ‘Maxi-MINDA’ receiver could miss a confidence transmission from one of its associated transmitters if it coincides with a stronger transmission from another unit or because of local radio interference.
--SKA and SKB are only used to connect a ‘Maxi-MINDA’ receiver, TX-500 transmitter, or TX-600 transmitter to a PC for programming. During normal operation no connections should ever be made to them. --The ‘Data Received’ LED and the ‘AUX’ connector (if equipped) can also be ignored. --The ‘Ext. DC Input’ connector is used to connect an external D.C. supply to the RX-500 ‘MaxiMINDA’ receiver. The voltage must be in the range of 10-16 volts D.C, (2.1mm plug, center pin positive) (Radio Shack Part No.
The internal relay contacts are only capable of switching a resistive load of up to 1 Amp at 24 volts.
A ‘Maxi-MINDA’ can provide 9 volts at up to 200 mA current (providing it is being powered by an external D.C.
The FET can directly switch a current of up to 300 mA without using the internal relay. Figure 8 shows the connections: The ‘Inhibit’ line can be used to inhibit any switched output without resetting the ‘Maxi-MINDA’. If, for instance, a large remote bell were connected to ring whenever a ‘Red’ alarm was received, the Inhibit line could be used to cancel the alarm locally without having to return to the ‘MaxiMINDA’ receiver and press the ‘Reset’ button.
CAUTION: The ‘Inhibit’ line should only be used to temporarily inhibit the external switched outputs until the RX-500 ‘Maxi-MINDA’ receiver can be reset manually. If it is used, it must be ‘un-grounded’ immediately after resetting the receiver in order for any external switching function to continue functioning.
LICENSING All ‘MINDA’ products are license-exempt when used in the USA and the U.K. MAINTENANCE The ‘Maxi-MINDA’ receiver requires minimal maintenance. Problems with its internal electronics are most unlikely unless the unit has had incorrect external voltages applied or suffered some physical damage. The most likely sources of difficulty are likely to be with its external leads and connectors, or the antenna arrangement.
external power is getting to the receiver by measuring the voltage on the connector which should be a D.C. voltage in the range 10-16 volts. If this voltage is not present, the leads (and AC power supply unit if used) should be examined to find and rectify the fault. If the receiver still does not function with the external power connector removed, replace its internal 9 volt battery by a known good one and try again.
Whenever a ‘MINDA’ transmitter operates, the actual digital data message transmitted contains all of the following pieces of information, repeated a number of times: < I am a ‘MINDA’ transmitter > and < My Family Identity Code is ‘xxx’ > and < I am Unit No.
QUICK-START GUIDE Each ‘Maxi-MINDA’ RX-500 receiver can display two status indications from up to four different transmitters, either the TX-400 Keyfob Transmitter, the TX-500 Intelligent Keyfob Transmitter, the TX-600 Intelligent Belt Transmitter, or a mixture of these types, coded 1-4 and all operating with the same Family Identity Code. Pressing the RED button on a key-fob style transmitter should light the appropriate red LED on the receiver; the BLACK one (BLUE on the TX-500) lights the green LED.
