PT260 Service Manual
16
g) Max. charging voltage of the battery: 8.32~8.42V
9.2 Functions Introduction
1. This is an intelligent charger, which charges quickly, stably,
safely, and saturatly.
2. Charging state indication: Red LED indicator flashes in
pre-charging; Red LED indicator lights in charging; Green LED
indicator lights in finishing charging, no battery and battery
protection state; Yellow LED indicator flashes in short circuit.
3. The external port can identify Li-ion battery and Ni-H
battery.
4. Battery short circuit protection: When the charger has
reversed the anode and the cathode, Yellow LED indicator flashes,
and the charging current is cut off. The power supply will
automatically recover after the problem is solved.
5. Identify the fully charged battery: When the Ni-H battery is
inserted into the charger again after the charging finishes, the
charging will continue, and the charger will judge whether the
battery is fully charged or not according to –ΔV; When the Li-ion
battery is inserted into the charger again after the charging finishes,
the charger will judge the battery is fully charged and do not charge
it if its voltage is above 8.25V; the charging will continue if the
battery’s voltage is below 8.25V.
6. Temperature protection: About the Li-ion battery, if the
temperature of the battery is above 55°during the charging, the
charging stops, and Yellow LED indicator lights; When the
temperature decreases to 45°, the charging starts again. About the
Ni-H battery, if its temperature id above 60°, the charging stops,
and Yellow LED indicator lights; When the temperature decreases
to 50°, the charging continues.
7. If the battery is in standby state and is inserted in the
charger base, the charging will automatically start when the
battery’s voltage is below 8.2V.
8. In automatic protection state, Yellow LED indicator lights;
when the problems are solved, the protection is over.
RED LED Indicator: Charging
GREEN LED Indicator: Power on/Charging completes
YELLOW LED Indicator: Abnormal
Appendix 1 Abbreviations
AMP: Amplify, Amplifier
ANT: Antenna
APC: Automatic Power Control
BPF: Band Pass Filter
CTCSS: Continuous Tone Control Squelch System
DCS: Digital Code Squelch
DEMOD: Demodulation
E
2
PROM: Electrical Erasable Programmable Read Only Memory
HPF: High Pass Filter
IDC: Instantaneous Deviation Control
IF: Intermediate Frequency
LED: Light-Emitting Diode
LNA: Low Noise Amplifier
LPF: Low Pass Filter
MCU: Micro Control Unit
MIC: Microphone
MOD: Modulation
MONI: Monitor
PLL: Phase Lock Loop
PTT: Push-To-Talk
RX: Receiver
SPK: Speaker
TCXO: Temperature Control X’ Oscillator
TX: Transmitter
UL: Un-Lock
VCO: Voltage Control Oscillator
RED
DC In
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