Wrist Communicator

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The Wrist Communicator was the first wearable communicator fielded by Star Fleet. The Wrist Communicator was first introduced into the inventory of the fleet in the early 2270’s. Due to the smaller size of the Wrist Communicator forced the use of a smaller power cell. The smaller power cell results in a short usable life of the communicators in the field before the power cell required a recharge or swap out. The effective range of the wrist communicators was shorter than that of the hand-held communicators with the maximum effective range of the wrist communicators being 40,000 Kilometers. This in conjunction of the chaffing many people complained of that was caused by the hard cuff used to attach the communicator to the user’s writs caused the writs communicator to fall out of favor with fleet personnel. By the mid 2280’s the last of the wrist communicators were retired and removed from the fleet’s inventory. The wearable communicator would not return to the fleet’s inventory until the 2340’s in the form of the Communicator Badge.


Communicator Operations:

Wrist communicator from the 2270's

When not in sue the communicator is in low power mode. Upon receiving an incoming signal, the communicator emits a notification tone alerting the user to the signal. The incoming signal is then transmitted via the speaker/mic assembly. To reply the user is required to depress and hold the transmit button while speaking.

Upon receiving the incoming transmission, the signal is routed to the encryption unit where the signal is decrypted. If required the signal will then be routed to the Universal Translator Unit for translation into a language known by the user. If translation is not required the signal is routed to the speaker/mic assembly for emission as a spoken message. For any outgoing transmissions the signal is processed in the reverse order as stated above.

Other than communications the writs communicators also provides an identification signal allowing the user to be tracked and provides a target for transporter lock.


Physical Arrangement:

Outer Casing:

The outer casing is composed of the communicator housing and the cuff. Both the communicator housing and the cuff are fabricated from duranium alloy and then attached to each other via electron bonding.

Speaker/Mic Assembly:

The speaker/mic assembly is located on the flat top of the wrist communicator. The assembly is composed of a sheet of carbon polymer that will vibrate under the influence of a magnetic flux coil to produce to produce sound or under the influence of sound waves to convert the spoken word to a digital signal.

Universal Translator Unit:

The Universal Translator Unit or UTU provides limited translation functions while in the field. Due to the storage limitations imposed by the compact design of the writs communicators the unit holds Conversational libraries of 100 different species compared to the 180 of the hand-held communicators. The UTU is unable to provide translation of newly discovered language.

Encryption circuit Assembly:

Prior to transmission the signal is routed to the encryption circuit assembly where it is converted by a series of encryption algorithms. These algorithms are changed on a random schedule by Star Fleet Command. To ensure ongoing security of transmissions during away team operations the algorithms can be changed at the direction of the Officer in command of the mission. This change affects only communications between the away team and the orbiting ship.

Power Cell:

The power cell for the wrist communicator is two wafers of Sarium. These wafers can be swapped out quickly in the field. Between uses the communicators can be placed in a charging dock to charge the power cell.

Control Surface:

Status Indicator:

located on the side of the communicator the stats indicator is located between the top edge and the On/Off and Transmit buttons. The flowing information is displayed on this indicator.

Power Cell Charge Level:

The charge level is displayed as a percentage of the full charge.

Selected Channel:

The channel is displayed as the numeric value of the frequency currently in use.

Volume Level:

The volume is displayed as the numeric value of the current decibels the communicator is currently set to produce.

Emergency Beacon Status:

When the emergency beacon is active a red light will appear on the status indicator.

Transporter Lock Status:

As long as the transporter is locked onto the communicator’s signal a green steady light will appear on the status indicator.

Transmit:

This button is one of the two larger buttons near the top of the communicator. This button must be depressed and then held while the user is transmitting a message.

On/Off:

This button is the second of the two large buttons near the top of the communicator. This will allow the user to turn to communicator off or on. During normal field operations the communicator will be on at all times. When not in active use the communicator will be kept in a low power standby mode. When the communicator is actively being used the communicator will be operating at full power levels. The communicator should only be turned off for storage between away missions or for maintenance.

Chanel Select:

Allows the user to manually chose the frequency that the communicator is transmitting on.

Volume:

This allows the user to increase or decrease the volume of the incoming message.

Gain Control:

This allows the user to increase or decrease the antenna gain as needed to improve the signal quality.

Emergency Beacon On/Off:

This allows the user to activate or deactivate the emergency beacon.