SD card capacity
•
Maximum supported capacity: 32 GB.
GR25/50
LED Indicators on GR25/50
The GR25/50 has Light Emitting Diode indicators. They indicate the basic instrument status.
Description of the LED's
IF the
off
Power LED
green
flashing green
yellow
flashing yellow
red
24
is
THEN
The instrument is turned off.
The instrument is turned on.
The instrument is on but has switched to a backup power source.
If an internal battery is used, indicates that the remaining battery
capacity is high.
Only shown if using an internal battery. The remaining battery
capacity is low.
The internal battery is charging.
Only shown if using an internal battery. The remaining battery
capacity is critical.
a. Power LED
b. SD card LED
c. Raw data logging LED
d. RT out data stream LED
e. RT in data stream LED
f. Position LED
g. Bluetooth LED
Recommended user action: Provide an
alternative power source.
Charging is only indicated by LEDs when
the instrument is turned off. When the
instrument is on, the LEDs indicate the
current power level.
Recommended user action: Switch to a
new power source immediately.