Topcon GR-5 - Estimated Operating Times

Getting Started
Topcon GR-5 Quick Start Guide
30
serious damage to the batteries, the receiver or injury to
persons.
An optimal charging temperature is between 50
o
F (10
o
C)
and 77
o
F (25
o
C). If possible, charge the batteries within this
temperature range.
Estimated Operating Times
Common Conditions: Bluetooth = on; 10-12 SV tracked; using the
detachable batteries; room temperature
For the GR-5 with FH915+ Modem
Receive only mode 14 hours
250mW transmission mode
12 hours
*
1W transmission mode
10 hours
*
GSM/GPRS in urban areas 13 hours
For the GR-5 with Digital Modem
Receive only mode 14 hours
0.5W transmission mode
12 hours
*
1W transmission mode
9 hours
*
GSM/GPRS in urban areas 12 hours
For the GR-5 with Satel Modem
Receive only mode 14 hours
0.5W transmission mode
12 hours
*