User's Manual

CHAPTER 2 BASIC FUNCTIONS
ALH-901X USER’S GUIDE
DOC. CONTROL #8102117-000 REV D
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Chapter 2
Basic Functions
Power and Battery
The ALH-901x battery system is composed of main battery, an optional pistol grip battery, and a
backup battery. The main battery supplies the power to the system and RAM which retains saved
data. A backup battery saves the data in RAM in the situation where the main battery is
discharged completely.
Main Battery: 3,000 mAh, 3.7v Lithium–Polymer
Pistol-Grip Battery (optional): 4,400 mAh, 3.7v Lithium-Ion
Backup Battery: 100 mAh, 3.7v Lithium–Polymer
Switch on the backup battery when first setting up the ALH-901x, and then install the main battery
and charge it completely.
Switch On Backup Battery
The image below shows the battery compartment, after the main battery has already been
removed. Slide the lever to the right to switch on the backup battery.
Re-attach the main battery to the back battery compartment of the PDA. Confirm that the battery
latch locked firmly (see below).
Connect the adaptor to the PDA adaptor connecting jack, and check to make sure the Power LED
is illuminated red, and then allow it to charge completely until it the Power LED turns green.
Detaching the Main Battery
The images below show the back-bottom of the handheld unit. Slide the battery latch to the right
(UNLOCK side), and then lift the main battery out of the compartment along both sides of groove.
Backup Battery Switch
Both sides of groove
Battery Latch