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A yellow light may occur because the battery became too warm during the charge cycle.
The charger will allow the battery to cool off before continuing the charge. A yellow light
may also indicate that the charger is alternating charge to each of the two batteries.
A blinking red light indicates less than 13 VDC is being supplied to the charger stand.
Check that the correct AC charger adapter is connected to the charger stand.
If a battery fails to charge, contact your nearest Anritsu Service Center.
You can charge the battery anytime. However, NiMH battery will last longer and perform
better if allowed to completely discharge before recharging. For maximum battery life, it is
recommended that the NiMH battery be completely discharged and recharged once every
three months.
Battery Charge Indicator
When the AC-DC adapter is unplugged from the Site Master, the battery indicator symbol
will be continuously displayed at the top left corner of the Site Master display (Figure 2-1).
A totally black bar indicates a fully charged battery. When
LOW BATT replaces the battery
indicator bar at the top left corner, a couple of minutes of measurement time remains. If a
flashing
LOW BATT is accompanied by an audio beep at the end of each trace, the battery
has approximately one minute of useable time remaining.
2-2
Chapter 2 Getting Started
HOLD
RUN
START
CAL
AUTO
SCALE
SAVE
SETUP
RECALL
SETUP
LIMIT
MARKER
SAVE
DISPLAY
RECALL
DISPLAY
PRINT
MODE
FREQ/DIST
AMPLITUDE
SWEEP
SYS
ENTER
CLEAR
ESCAPE
ON
OFF
/
1
2
4
5
6
7
8
9
0
3
+
-
.
Site Master S251B
625.0
2500.0
1384.45 MHz
2096.66 MHz
Battery Indicator
Figure 2-1. Site Master Battery Indicator