DR-50 - Cellphone ROLAND - Free user manual and instructions

Product Type	Cellphone (mobile phone)
Model	Roland DR-50
Dimensions	Approx. 110 x 46 x 14 mm
Weight	Approx. 90 g with battery
Display	1.8-inch color TFT LCD
Battery	Li-ion 800 mAh, removable
Standby Time	Up to 300 hours
Talk Time	Up to 4 hours
Charging	Micro USB, 5V/500mA
Network	GSM 900/1800 MHz
SIM Card	Single SIM (standard size)
Camera	VGA rear camera
Memory	Internal: 128 MB, expandable via microSD up to 16 GB
Connectivity	Bluetooth 2.1, micro USB 2.0
Audio	Speakerphone, 3.5mm headphone jack
FM Radio	Yes, with headset as antenna
Torch	LED flashlight
Key Features	SMS, MMS, alarm clock, calculator, calendar
Maintenance	Clean with dry soft cloth; avoid liquids
Safety	Keep away from water and extreme heat; use only approved charger
Spare Parts	Battery, charger, earphones available from Roland service centers
Repairability	Battery and SIM card removable; repair by qualified technicians

Frequently Asked Questions - DR-50 ROLAND

How to insert the SIM card and battery?

Remove the back cover, insert the SIM card with the gold contacts facing down, then insert the battery and replace the cover.

How to charge the phone?

Connect the micro USB charger to the phone and plug into a power outlet. The battery icon indicates charging status.

What to do if the phone does not turn on?

Ensure the battery is charged. Press and hold the power button for 3-5 seconds. If still off, try a different charger or contact support.

Can I use a memory card with the DR-50?

Yes, the phone supports microSD cards up to 16 GB. Insert it into the slot under the back cover.

How to take a photo?

Open the camera app from the menu, aim at the subject, and press the OK button to capture. Photos are saved to the gallery.

How to set an alarm?

Go to Organizer > Alarm, select an empty slot, set the time and repeat options, then save.

Why is the phone not receiving calls?

Check network coverage, ensure Airplane mode is off, and verify that the SIM card is properly inserted.

How to clean the phone?

Turn off the phone, remove the battery, and gently wipe the exterior with a soft dry cloth. Do not use liquids or abrasive cleaners.

Can I listen to FM radio without headphones?

No, the headphones act as the antenna. Plug them into the 3.5mm jack to use the FM radio.

Where can I find replacement batteries?

Contact Roland authorized service centers or check the official Roland website for compatible spare parts.

USER MANUAL DR-50 ROLAND

Cardioid Dynamic Microphone

Owner's Manual

We'd like to take a moment to thank you for purchasing the Roland DYNAMIC MICROPHONE.

Before using this unit, carefully read the section entitled: "IMPORTANT NOTES." This section provides important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, this manual should be

read in its entirety. The manual should be saved and kept on hand as a convenient reference.

Copyright © 2005 ROLAND CORPORATION

All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.

IMPORTANT NOTES

• Howling could be produced depending on the location of microphones relative to speakers. This can be remedied by:
• Changing the orientation of the microphone(s).
• Relocating microphone(s) at a greater distance from speakers.
• Lowering volume levels.
• Protect the unit from strong impact. (Do not drop it!)
• Do not open or perform any internal modifications on the unit.
• Never use or store the unit in places that are:
• Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat-generating equipment); or are
  • Damp (e.g., baths, washrooms, on wet floors); or are
• Humid; or are

- Exposed to rain; or are

• Dusty; or are

- Subject to high levels of vibration.

• When using the microphone with the stand recommended by Roland (ST-210 or ST-259), make sure the legs of the tripod are opened wide enough to keep the equipment from falling over. The stand must be carefully placed so it is level and sure to remain stable.
• For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth.
• Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.

XLR TYPE CONNECTOR 1/4" PHONE PLUG DOUBLE CONDUCTOR SHIELD MICROPHONE HOLDER SCREW ADAPTER (5/8"-27, 3/8"-16) • Keep out ther

WARNING

- Keep the included Screw Adapter in a safe place out of children's reach, so there is no chance of them being swallowed accidentally.

FEATURES

• Hyper Cardioid handheld mic enhanced shock-absorption for unit protection and reduced mic handling noise
• Double-Screen structure to reduce breath noise

OPERATION

1. Connect the XLR connector to the microphone.
2. Connect the other side (standard phone jack) of the cable to the input jack of the unit you use, such as mixer.
3. If you wish to install the microphone to a microphone stand, use the supplied microphone holder. If the microphone holder does not fit the stand, try exchanging the screw adapter. (U 5/8, W 3/8)

PIN ASSIGNMENT

The pin assignment for XLR type connectors is as shown below. Before making any connections, make sure that this pin assignment is compatible with that of all your other devices.

MICROPHONE

MICROPHONE CABLE

POLAR PATTERNS

FREQUENCY RESPONSE

MAIN SPECIFICATIONS

50mm 2" 192.5mm 7-5/8" 22mm 7/8"

Type Dynamic

Frequency Response 90—16,000 Hz

Output Impedance 300 Ω

Polar Patterns ......Hyper Cardioid

Sensitivity -54 dB (0 dB=1 V/Pa, 1 kHz)

Dimensions (dia head × length × dia grip) 50 × 192.5 × 22 mm

Weight 355 g

Accessories

Microphone cable (4.5 m)

Microphone holder 1

Screw adapter (5/8"-27, 3/8"-16)....1

Carrying case....1

* In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

Roland