Delta 403 Specifications download pdf (Page 10)

OPERATION

Complete operating instructions for the Two-Way Ra-

dio are provided in the Operator’s Manual. The basic

procedures for receiving and transmitting messages in mo-

bile combinations are as follows:

TO RECEIVE A MESSAGE

1. Turn the radio on by turning the OFF-VOLUME

control halfway to the right.

2. Turn the SQUELCH control clockwise (to the

right) as far as possible. A noise will be heard from

the speaker.

3. Adjust the VOLUME control for the desired lis-

tening level.

4. Turn the SQUELCH control counter-clockwise to

the left until the noise just cuts off.

5. In multi-frequency radios, select the desired chan-

nel.

The radio is now operational.

TO TRANSMIT A MESSAGE

1. Turn the radio on and select the proper channel.

2. If a lengthy message (or several messages) are to

be sent, the vehicle engine should be running to

maintain the battery charge.

3. Pick up the microphone and listen briefly to the

speaker to make sure that no one else is using the

channel.

4. Press the Push-To-Talk (PTT) switch on the mi-

crophone and send the message. The red transmit

light on the control unit will glow each time the

PTT switch is pressed.

MAINTENANCE

The use of microcomputer technology allows self-di-

agnostic maintenance routines to be incorporated in the

microcomputer software. These routines are easy to run

and provide a quick analysis of microcomputer and fre-

quency synthesizer operation.

The service section of this manual contains the diag-

nostic routines and other maintenance information to serv-

ice this radio. The service section includes:

• System interconnection

• Mechanical layout

• Disassembly procedures

• Replacement of IC’s, chip capacitors, and

resistors

• Microcomputer self-diagnostics

• Alignment procedures for the transmitter and

receiver

• Troubleshooting flow charts and waveforms

Printed in U.S.A.

LBI-31567

1 2 3 4 5 6 7 8 9 10

Comments to this Manuals

No comments

Delta 403 Specifications Page 10

Comments to this Manuals

Related products and manuals for Sanitary ware Delta 403