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CHECKING BATTERIES
UP4 Receiver
1. Turn the receiver power ON/OFF switch to the ON position.
2. Observe the PWR LED on front panel (See figure 8). If it is glowing red, the battery power is low and the battery should be changed immediately.
FIGURE 8
PWR LED
(Red Indicates Low Receiver Battery)
UC1 and UC2 Transmitter
1. Turn the transmitter ON/OFF switch to the ON position.
2. Observe the three LED battery gauge (figure 9). Verify that one LED is glowing. The amount of battery life remaining is indicated by which LED
is lit, as shown in the table below:
FIGURE 9
Battery Gauge
Transmitter LED Color Remaining Transmitter Operating Time
Green 2 to 8 hours
Amber 45 minutes to 2 hours
Red 45 minutes or less
U1 and U2 Transmitter
1. Turn the transmitter power ON/OFF switch to the ON position.
2. Observe the battery fuel gauge displayed on the transmitter screen. Battery power level is indicated by the number of black segments displayed.
As transmitter batteries are consumed, the displayed segments will gradually disappear.
NOTE: The dc to dc converter keeps the system voltage constant as battery voltage declines, ensuring superior audio and RF performance.
Number of
Segments Displayed on Transmitter
5 8 – 12
4 6 – 8
3 4 – 6
2 2 – 4
1 1 or less
TRANSMITTER BATTERY
FUEL GAUGE
(ON TRANSMITTER DISPLAY)
Operating Time Remaining
(in Hours)*
*Using Duracell MN1500 alkaline batteries.
A
B
FIGURE 10