User Manual

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Quanum RC-540R FPV receiver

5.8GHz 40 Channel “Racing edition” Diversity Receiver

User manual

- Operating frequency 5.705-5.945 gHz

- Total number of channels – 40 (5 bands x 8 channels)

- Sensitivity – better than -96 dBm

- Video format supported: NTSC/PAL

- Modulation – FM

- Number of independent receivers – 2

- Number of antenna inputs – 2

- Antenna connectors – SMA, jack

- Antenna impedance: 50Ω

- Display – OLED 64x128 dual color

- Video impedance: 75Ω

- Control – navigation Joystick

- Supply voltage – 6…18VDC, 1.3 x 3.5mm DC jack

- Power consumption – 150mA at 12VDC

- Dimensions – 75x62x17mm

- Operating temperature 0C…+40C

Frequency chart:

FR1(A band) 5865,5845,5825,5805,5785,5765,5745,5725

FR2(B band) 5733,5752,5771,5790,5809,5828,5847,5866

FR3(E band) 5707,5685,5665,5645,5885,5905,5925,5945

FR4(F band) 5740,5760,5780,5800,5820,5840,5860,5880

FR5(R band) 5685,5695,5732,5769,5806,5843,5880,5917

Connectors and controls:

AV1 AV2

Ant1 Ant2

Power IN

6..18VDC

Navigation

button

LED2LED1

RedRed Blue Blue

OLED

display

Right

Left

Down

Enter

Navigation

button control

Summary of content (6 pages)

PAGE 1
Quanum RC-540R FPV receiver 5.8GHz 40 Channel “Racing edition” Diversity Receiver User manual - Operating frequency 5.705-5.945 gHz Total number of channels – 40 (5 bands x 8 channels) Sensitivity – better than -96 dBm Video format supported: NTSC/PAL Modulation – FM Number of independent receivers – 2 Number of antenna inputs – 2 Antenna connectors – SMA, jack Antenna impedance: 50Ω Display – OLED 64x128 dual color Video impedance: 75Ω Control – navigation Joystick Supply voltage – 6…18VDC, 1.3 x 3.
PAGE 2
Ant1, Ant2 – SMA antenna connectors. The receiver can work with 50R 5.8GHz antennas. Any type of antenna can be used – helical, clover leaf, dipole etc. AV1, AV2 – AV outputs. Impedance – 75R, standard 1v p-p output. 3.5mm stereo audio jack. Power In – Power Jack 1.3X3.4mm. Supply voltage 6..18VDC Navigation button – 5 position navigation button (Up/Dn/Left/Right/Enter) – main control for choosing working mode, scanning frequencies, settings etc.
PAGE 3
Menu and options: 1. Channel scan. During channel scan the receiver scans all 40 channels, collects RSSI data and shows it on display in graphical form. It shows 4 frequencies with highest RSSI. If it is a valid video signal it will show small letter “v” between channel number and corresponding frequency.
PAGE 4
It gives you a choice to use to use different antennas in different situations and receiver will chose which one is better. For example you can use a high gain directional antenna with one receiver and omnidirectional (dipole or clover leaf) with the other. The antenna which has better reception in particular situation will be selected. During active antenna change you will hear a beep. Controls in diversity mode: Up/Down – Changing channels up/down consequently (A1,A2…A8, B1,B2 etc.
PAGE 5
Radio module 1 is constantly sweeping channels and collects data with dynamic indication data on the display and radio module 2 works as a video receiver with video output to OUT1 and OUT2. Controls in Spektrum Analyzer mode: Up/Down – Changing channels can be consequently (A1, A2 etc.) or by jumping on the channels with high RSSI only. You can choose either option by selecting option Skip low RSSI in menu On or Off. Left/Right – Jumping between 4 channels that have highest RSSI level during current scan.
PAGE 6
Troubleshooting: Problem: Solution: 1 Receiver finds channels during scanning Blue LED is ON on active channel but no video on the monitor or goggles Check AV cable and monitor settings/Input selection 2 Receiver cannot find channels or picture quality is poor Check antenna/ antenna connector/transmitter 3 Receiver finds active channel and the picture is mixed with another picture Another transmitter works at the same channel. Coordinate channels with your fellow flyers.