Pre-survey Preparation
GR-3 Operator’s Manual
2-8
3. Carefully insert the SD card, label side down, into the SD card
slot located at the top of the battery pocket.
Figure 2-6. Install SD Card
Once the receiver is turned on, the receiver board will detect the SD
card, and it will be ready to use as needed.
To install the SIM card (Figure 2-7):
The SIM card must support Circuit Switched Data to communicate
directly between receivers. The SIM card must have GPRS or EDGE
support to communicate with a GPS Network IP address.
1. Ensure the receiver is turned off.
2. Remove the battery to the right of the MINTER.
3. If needed, snap the SIM card into its holder.
Do not remove the card if the receiver is powered
on. Damage to data may result from improper
removal of the card.
For direct communication between Base and Rover
receivers, you must install a SIM card with a Circuit
Switch Data plan and have subscriptions to the
same service provider for proper data
communication.
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