Ramsey Electronics manual DN1 Final Assembly Instructions, Charging Jumpers Current Used

Page 17

Fill in the chart with the ratings imprinted on your batteries. This should help you to determine the proper jumper settings

Battery Type

Number of

Cells

Charge

Capacity (A•

Hr)

Charge

Current

(mA)

Time Out

Setting

(Min.)

DN1 FINAL ASSEMBLY INSTRUCTIONS

Use scrap resistor leads to form the proper “jumper” wires to configure your conditioner. Use the parts diagram to identify the proper holes for the jumper wires

Charging

Jumpers

Current

Used

 

 

250 mA

A-C, B-D

 

 

500 mA

C-D

 

 

1 A

A-F, C-D, B-E

 

 

Setting the charge current too high can cause the cell to explode! Consult the battery manufacturers specifications for proper charge current specifications.

CHARGING CURRENT SETUP

SAFETY TIME OUT CONFIGURATION SETUP

Charge

Jumper

Jumper

Charging

Rate

TM1 to..

TM2 to...

Time (Min)

 

 

 

 

C/2

H

No Connection

180

 

 

 

 

C

G

J

90

 

 

 

 

2C

No Connection

J

45

 

 

 

 

4C

H

J

23

 

 

 

 

DN1 17

Image 17
Contents Dr. NiCad Ramsey Transmitter Kits CHARGER/CONDITIONER Introduction Time VoltageDN1 Circuit Description DN1 DN1 Parts List DN1 Now, lets get building Ramsey Learn-As-You-Build KIT AssemblyDN1 Parts Finder Diagram DN1 LED NPN power type. When Switch Guide Pin Congratulations Doctor NiCad Battery Conditioner SetupCharging Current Setup Safety Time OUT Configuration Setup DN1 Final Assembly InstructionsCharging Jumpers Current Used Charge Jumper ChargingDN1 Charge Status LED Indicator Setting UP the SwitchesTesting Your Doctor NiCad Battery Conditioner / Charger Throttle UP Power Supply ConsiderationsWhat about those mystery batteries ? Battery WorkoutTroubleshooting Instructions Battery Repair ??Common Questions Ramsey Kit Warranty Required Tools Estimated Assembly TimeAdditional Suggested Items Total Solder Points

DN1 specifications

Ramsey Electronics DN1 is a versatile and compact digital audio transmitter that caters to a variety of audio transmission needs. It is designed for hobbyists, educators, and DIY enthusiasts looking to create their own wireless audio systems. The DN1 offers a reliable solution for transmitting audio signals over short distances without the clutter of wires.

One of the main features of the DN1 is its ability to transmit audio in the FM band, which provides clear sound quality and minimizes interference. The device operates at a frequency range of 88 to 108 MHz, allowing users to choose the optimal frequency for their specific environment. This adaptability makes it suitable for applications like personal broadcasting, classrooms, or small events.

The DN1 is equipped with a simple-to-use interface, featuring adjustable audio input levels and an LED indicator for power and modulation status. It supports both mono and stereo audio inputs, making it a flexible option for various audio sources. Users can connect the transmitter to devices such as audio players, microphones, or computers, which allows for seamless integration into existing setups.

Another significant characteristic of the DN1 is its compact and lightweight design, making it easy to transport and mount in different locations. Its robust construction ensures durability, making it ideal for both indoor and outdoor use. This makes the DN1 an excellent choice for users who need a portable solution for DIY projects or presentations.

The device operates on a low-power consumption model, which is not only environmentally friendly but also cost-effective. It can be powered by a standard 9V battery or an external power supply, adding to its convenience and versatility.

In terms of performance, the DN1 boasts a transmission range of several hundred feet in optimal conditions, ensuring that audio signals remain strong and consistent even in larger areas. This range, combined with its ease of use, makes it an appealing option for those looking to broadcast audio without the limitations of wired connections.

Overall, Ramsey Electronics DN1 stands out as an innovative transmitter that brings together user-friendly features, excellent audio quality, and practical design. Whether for personal use, educational purposes, or event hosting, the DN1 meets the demands of modern audio transmission needs, allowing users to experiment and expand their audio capabilities with ease.