Channels can also be recalled by entering a channel number. Press [ ] to set • or [X] to cancel. To delete the contents of a channel, press [DEL] for a second or more. • Page 4 Lotek Biotracker Receiver User’s Manual...
• To stop scanning and return to the mode and frequency settings prior to scanning • press [X]. To stop scanning and return to Channel Mode with last channel scanned press • [SCAN]. Lotek Biotracker Receiver User’s Manual Page 5...
LCD). It does not change the number displayed in the LCD. Setting the gain to 99 (maximum) using the digital keys enables the knob to cover the entire gain range. Page 6 Lotek Biotracker Receiver User’s Manual...
Channel Mode with the new channel displayed. To change the frequency of an existing channel: 1. In Channel Mode select the channel to be changed. 2. Press [F/C] to change to Frequency Mode. Lotek Biotracker Receiver User’s Manual Page 7...
This is the ‘Cancel’ Key. Pressing it during any editing operation returns the receiver to the state it was in before the editing operation began. Pressing [ ] in Scan Mode cancels scanning and returns the receiver to its previous mode. Page 8 Lotek Biotracker Receiver User’s Manual...
Signal Strength Display The Lotek Biotracker Receiver displays signal strength in two ways: using a bar graph and a number. Both indicators are displayed on the top line of the LCD. The system responds to pulses over 10 ms long and above a threshold, so under normal circumstances noise is ignored.
If other rechargeable cells are used (i.e. with the AA battery holder supplied), they need to be charged independently with a separate AA-size battery charger. Charging LED This LED flashes red during battery charging and steady green when charging is complete. Page 10 Lotek Biotracker Receiver User’s Manual...
Not used Not used Ground 6 – 9 Not used The serial data protocol is as follows: 1200 baud 1 start bit 8 data bits 1 stop bit no parity checking no handshaking Lotek Biotracker Receiver User’s Manual Page 11...
Using the arrow keys the frequency will change in steps of either 1 kHz or 0.1kHz (.001 / .0001 MHz). The step size (tuning resolution) is toggled by pressing Page 12 Lotek Biotracker Receiver User’s Manual...
Press to save the frequency in the chosen channel. The receiver will revert to Channel Mode with the stored channel selected. Software to enable channel frequencies to be uploaded via a serial or USB port from a PC is available. Lotek Biotracker Receiver User’s Manual Page 13...
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1 second or more to delete the contents of the channel. This will set the channel frequency to ‘000.0000’, but the channel will still be displayed. When another channel is selected (e.g. via the arrow keys) the empty channel will be removed. Page 14 Lotek Biotracker Receiver User’s Manual...
(SC = channel selected for scanning, or blank = channel not selected). to select or deselect all channels at once. The individual selection status of each channel is not affected by ‘all channel’ deselection. Lotek Biotracker Receiver User’s Manual Page 15...
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Channel Mode with the receiver set to the last channel scanned. Alternatively, to stop scanning and enter Channel Mode with the receiver set to the channel used when the receiver was last in Channel Mode, press Page 16 Lotek Biotracker Receiver User’s Manual...
This applies even if the battery was fully charged after it was last used, because rechargeable batteries have a high self-discharge rate. The receiver memory is retained indefinitely even when the receiver has no battery. Lotek Biotracker Receiver User’s Manual Page 17...
The receiver transmits its current gain level via the serial link to the host PC in the format # ,where # is a 1 byte number corresponding to the gain level setting and can be in the range 00h (0) to 63h (99). Lotek Biotracker Receiver User’s Manual Page 19...
(RF) gain (or just ‘gain’) and volume. In the Biotracker, the gain control changes both RF and volume in parallel. Liquid Crystal Display (referred to here as ‘the display’) Page 20 Lotek Biotracker Receiver User’s Manual...
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The strength (loudness) of a received signal. Displayed on a bar chart and as a number on the Biotracker display. Toggle Alternate between one state and another on the press of a button. Lotek Biotracker Receiver User’s Manual Page 21...
10.5-15V, >500 mA) or four internal rechargeable or primary (non-rechargeable) AA cells. Battery Life: 28 hours on internal NiMH battery pack Weight: 800g including strap and battery Size: 150 x 85 x 55 mm (6 x 3.25 x 2 inches) Page 22 Lotek Biotracker Receiver User’s Manual...
Also, if you routinely track animals in a particular sequence, you can arrange the channel order to match this. One press of the channel ‘up’ key then selects the frequency of the next animal. Lotek Biotracker Receiver User’s Manual Page 23...
Remember that tags too are likely to change frequency with temperature. The more stable the frequency of the receiver over temperature and time, the less the risk you will miss a tag because of frequency shift. Page 24 Lotek Biotracker Receiver User’s Manual...
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Lotek Biotracker Receiver User’s Manual Page 25...
Charging LED Diecast Antenna Flashes red during Aluminium Connector charging and steady Case (standard BNC) green when fully- Lightweight and charged End View very robust Shows battery cover and shoulder strap Page 26 Lotek Biotracker Receiver User’s Manual...
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. WARNING Changes or modifications not expressly approved by Lotek Wireless could void the user’s authority to operate the equipment. Biotracker Manual BC03 Rev B.doc 10/30/07 Lotek Biotracker Receiver User’s Manual...
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