User Manual

Preparation
X90 GNSS – 1.01 Rev A – September 2010
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switch button again, it will be back to RTK mode.
Power LED
This indicator is on when X90 GNSS is on, and off when it is off.
Satellite LED
This LED indicates how many satellites the receiver is tracking on, if
the LED flashes 5 times and then stops, it means the receiver is
tracking 5 satellites.
Record LED
The record LED only flashes in 2 situations
A. In the static mode
The interval of flashing shows the sample interval you set in the
HC-Loader or HCGPSet.
B.RTK mode
When you are using PDA to send commands to set the receiver’s
configuration or just communicating with the receiver.
Correction LED
The Correction LED only flashes once per second when
A. Base station successfully sends out difference data in RTK mode.
B. Rover station successfully gets difference data from Base station.
3.3.2 Bottom View
RS232 Serial Port
RS232 serial port is a 9 pin 0-shell Lemo connector that supports
RS-232 communications and external power input.
Adaptor
The 5/8” adaptor is used for setting up the receiver on the tripod.
Battery Compartment
WARNINGS:
 Do not store batteries in the receiver unless it is applied.
 Do not charge or use the battery if it appears to be damaged
or leaking.
 Do not damage the rechargeable Lithium-ion battery. A
damaged battery may cause an explosion or fire, and may
result in personal injury and/or property damage.