Controls and Indicators ... 2 LCD display ... 3 Warning! ... 4 Ni-MH Battery Pack Warning ... 4 Introduction ... 5 Features ... 5 Technical Support and Service ... 6 Included in Your Package ... 7 Getting Started ... 8 Mounting the Cradle ...
•The ATLANTIS 250 is splashproof only when the antenna, rub- ber caps (adaptor jack and speaker mic jack) and the battery are properly attached. • Do not operate the transmitter of any radio equipment unless all the Radio Frequency (RF) connectors are secure and any open connectors are properly terminated.
This handheld VHF marine radio will give you consistent, outstand- ing performance in virtually all conditions and situations. To ensure that you get the most from the ATLANTIS 250’s fea- tures, please read this operating guide carefully before using the unit.
Be sure that a qualified technician services your radio equipment. Caution: Changes or modifications to this product not expressly approved by Uniden, or operation of this product in any way other than as detailed by this Operating Guide, can void your...
Included in Your Package AC Adaptor Antenna ATLANTIS 250 DC Adaptor Cradle Rechargeable Battery Beltclip Wrist Strap Mounting Screws Alkaline Battery Case Owner's Manual/ Printed Material (attached to the ATLANTIS 250)
Getting Started Mounting the Cradle Mount the Cradle to either a counter or wall. To counter: Attach the Cradle using the mounting screws and wash- ers as follows. To wall: Apply the Cradle to the wall and insert the two mounting screws into the larger holes of the Cradle Push down the Cradle until it is firmly seated.
Using the Alkaline Battery Case When needed, you can use the battery case with AA Alkaline bat- teries (not included) instead of the rechargeable battery pack. To install the batteries: Remove the battery case cover by pulling the 2 halves apart applying your fingers to the projections.
Charging the Battery Pack Your marine radio is powered by a specially designed Ni-MH bat- tery pack. • Before operating the ATLANTIS 250, charge the Ni-MH battery pack for 16 hours without interruption with the Adaptor. Place the ATLANTIS 250 in the Cradle.
• See Controls and Indicators (page 2) for button, knob, and key positions. • When you turn On your ATLANTIS 250 just after purchasing, it is automatically tuned to channel 16 frequency for distress, safety, and calling. • When you press any button (except PTT and LOCK key), a short tone sounds.
Selecting a Channel Turn On your ATLANTIS 250. To select a higher channel, press the s button. To select a lower channel, press the t button. • To change the channel continuously, press and hold the s or t button for more than 1 second.
Triple Watch Triple Watch mode monitors channels 16 and 9 for a signal while you listen to the currently selected channel. The marine radio checks channel 16 and 9 for activity every 2 seconds. To select Triple Watch mode, press the TRI button.
Programming a Channel into Memory Before using the scanning feature, you have to program channels into memory. Select the channel to enter into memory by pressing the s or t button. Press the MEM button for two seconds to store the channel. MEM appears on the display.
Deleting a Channel from Memory Select the channel to delete from memory by pressing the s or t button. Press the MEM button for two secons. MEM disappears from the display. Scanning To begin scanning the programmed channels, press the SCAN button. SCAN and TRIPLE appear on the display.
Transmitting Transmission power can be set to either 5W or 1W. Press the 1/5W button to make the change, then the 5W or the 1W indicator on the display changes accordingly. To transmit, press and hold the PTT (push- to-talk) key. TX appears on the display.
Battery Indicator When the unit is On, battery power is always indicated on the display. When the battery is fully charged, the battery indicator appears as follows: When the battery is nearly discharged, the battery indicator appears as follows: • When the battery indicator drops to the blinking 1-mark level on the display, the radio will receive but will not transmit.
Optional Parts and Replacement Accessories AC Adaptor Mounting Screws Antenna Wrist Strap Cradle DC Adaptor Ni-MH Battery Alkaline Battery Case Beltclip...
Specifications General Freq. Control Freq. Tol. Transmit Receive Oper. Temp. Antenna Microphone Display Speaker Power Source Size (without antenna) Weight (w/battery & antenna) Transmitter Frequency Range Frequency Stability Power Output Spurious Emissions Current Drain Receiver Receiver Type Frequency Range Sensitivity (20 dB SINAD) Squelch Sensitivity Audio Frequency Response...
Troubleshooting Not enough range Cause: Line of sight blocked Increase antenna height. » Will not transmit on 5 watt range but will transmit on the 1 watt range. Cause: Low voltage Recharge or replace the batteries. » Will not transmit while charging. Cause: Low voltage The radio is not designed to transmit while charging.
Warranty only available in original country of purchase. ELEMENT OF WARRANTY: Uniden warrants to the original retail owner for the duration of this warranty, its Atlantis 250 (herein after referred to as the Product), to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below.