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On the transponding 

Status

 menu, select 

Detections…

(#3).

Make selection based on desired information:

Total Detects

 – amount of detections stored in the VRTx/

VR2AR receiver since last initialization

Since Offload

 – amount of detections stored since data was last offloaded to VUE 

Since Marking

 – amount of detections stored since the receiver was last “marked”

Detection amounts and times are rounded for easier transmission.

Detections

1 Total Detects...

2 Since Offload...

3 Since Marking...   

 

 

 

Select

1 Get Range

2 Get Health

3 Detections...      

 

 

 

Select

Marking

 clears the 

Since Marking

 counters (detections, pings, sync tag transmissions) as well as the entire Watch Table.

1.  After selecting/adding a receiver, select 

Acoustic Release

 (#3).

2. 

Verify Status:

a.  To view the VR2AR’s release status, select 

Release Status

. It should report 

Unarmed

 at 

this stage. Press 

MENU

 to go back to the menu.

3. 

Arm receiver:

a.  Select 

Arm

 and wait for the status to change to 

Armed

.  

NOTE:

 A VR2AR with firmware 1.2.5 and up does not require this arming step.

4. 

Activate release:

a.  Select 

Activate

 to send the release command. After reading the confirmation screen, select 

Activate

 again.

b. Wait while the mooring lug is ejected from the VR2AR. The status is reported as 

Opening

 until 

the VR2AR’s motor has completed the task, at which time the status changes to 

Open

.

5.  Press 

MENU

 to go back a screen and then select 

Status

. The current status is reported and 

refreshing the information (Resend) allows you to view the progress to surface.

6.   To refresh the depth value, select 

Resend

 and “watch” the VR2AR ascend. This also reports 

the horizontal distance to the receiver for easier retrieval.

Acoustic Release (VR2AR only)

1 Status

2 Arm

3 Activate

 

 

 

Select

VR2AR:000001 150m

Status: Opened

hRange: 80m

Depth: 130m 

 Resend

If receivers do not respond to commands, try the following suggestions:

•  

Move the research vessel closer to the VR2Tx/VR2AR.

•  

Check the power level setting of the VR100-200. On the main 

screen, select 

Transpond

 and then 

Hydrophone Power

 

(#4). If the power is 

low

increase the power level 

and scan for receivers 

again. If the power level is 

high

 and you are working 

in shallow water, decrease 

the power level and scan again (high power may cause 

echoes under certain conditions such as shallow water, 

reflective environments, or when too close to the receiver).

•  

Manually increase the Gain on the VR100.

•  

Check the receiver’s transmit power level (

Settings

 > 

Power 

Level

) and increase it if possible. If power is high, lower 

power to decrease echo effects.

•  

A successful release will report 

Opening

 and then 

change to 

Open

; all other values will warrant a Retry 

(i.e. “Jammed”, “Unarmed”, “ERROR”).If you still don’t have 

success, contact VEMCO.

•  

If 

Unarmed

 is reported when trying to release, select 

Acoustic Release

 (#3) and then 

Arm

 (#2) to arm the 

receiver and prepare it for release. Select 

Activate

 to 

perform the release.

Trouble?

Transmit power level

   1 2 3 4 5 6 7 

  *

 

 

     Set

VR2AR:000001 170m

Detects: 91,072

Last: May26/14 17:02

TOTAL   

 Resend

www.vemco.com

+1 902-450-1700

DOC-5570-04

VR2AR/VR2Tx Receivers

Field Communication Quick Guide

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