Guided Tour - Cr77 Front Panel - Samson CR77 Owner's Manual

Guided Tour - CR77 Front Panel

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1: Antennas (A and B) - The antenna mountings allow full rotation for optimum placement. In
normal operation, both Antenna A (the antenna on the left) and Antenna B (the antenna on the
right) should be placed in a vertical position. Both antennas can be folded inward for conve-
nience when transporting the CR77. See the "Setting Up and Using the AirLine System" section
on page 17 in this manual for information about antenna installation and positioning.
2: Volume control - This knob sets the level of the audio signal being output through both the
balanced and unbalanced output jacks on the rear panel (see #2 and #4 on page 8 in this manu-
al). Reference level is obtained when the knob is turned fully clockwise (to its "10" setting).
3: Audio Meter - This "ladder" display (similar to the VU bar meter used on audio devices) indi-
cates the strength of the incoming audio signal. When the "0" segment is lit, the incoming signal
is optimized at unity gain; when the "+6" segment is lit, the signal is overloading. When only
the left-most "-20" segment is lit, the incoming signal is at just 10% of optimum strength. If no
segments are lit, little or no signal is being received. See the "Setting Up and the Concert Series
System" section on page 16 in this manual for more information.
4: Squelch control - This control determines the maximum range of the CR77 before audio
signal dropout. Although it can be adjusted using the supplied plastic screwdriver, it should
normally be left at its factory setting. See the "Setting Up and Using the Concert Series System"
section on page 17 in this manual for more information.
5: A/B Antenna LEDs - When signal is being received, one of these will be lit green, showing
you whether the (left) "A" or (right) "B" antenna is currently being used. The CR77 constantly
scans its two antennas and automatically selects whichever is receiving the strongest, clearest
signal. This True Diversity switching is completely inaudible, but it effectively increases overall
range while virtually eliminating potential interference and phase cancellation problems.
6: RF (Radio Frequency) Level meter - This "ladder" display (similar to the VU bar meter used
on audio devices) indicates the strength of the incoming radio signal. When the "100%" segment
is lit, the incoming RF signal is fully modulated and at optimum strength. When only the second
most left-most "10%" segment is lit, the incoming signal is at just 10% of optimum strength.
If no segments are lit, little or no signal is being received. See the "Setting Up and Using the
Concert Series System" section on page 17 in this manual for more information.
7: Power switch - Use this to turn the CR77 power on and off. When the receiver is on, the inter-
nal Power LED is lit.
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