2.3.2 Power Concept
Use the GeoMax batteries, chargers and accessories or accessories recommended by GeoMax to
ensure the correct functionality of the instrument. The external power supply cable should not be
longer than 3 meters.
Power for the Zenith60 can be supplied either internally or externally.
Internal power supply: Two batteries fitting into the Zenith60.
External power supply: 9 V to 18 V DC external power input with over-voltage protection
up to 28 V.
2.3.3 Data Storage Concept
GNSS raw data can be recorded on the microSD card or internal memory.
☞
Unplugging connecting cables or removing the microSD card during measurements
can cause loss of data. Only insert or remove the microSD card or unplug connecting
cables when the Zenith60 is switched off.
Device Description
microSD card The Zenith60 has a microSD card slot fitted as standard.
Internal memory The Zenith60 has an internal memory fitted as standard. Avail-
able capacity: 8 GB.
2.4 Instrument Components
a TNC connector for UHF antenna
b LEMO port 1
c LEMO port 2
d Keyboard with LED and ON/OFF but-
ton
e Battery compartment A with SIM card
and microSD card holders
f Battery compartment B
g Antenna Reference Plane (ARP)
2.5 Pin Assignments
Pin Signal Name Function
1 PWR 12V power supply in
2 GND Signal and chassis ground
3 TxD RS232, transmit data
4 GND Signal ground
5 RxD RS232, receive data
Pin Signal Name Function
1 NC Not used
2 USB_D- USB data line
3 PWR 5V power supply (USB)
4 USB_D+ USB data line
General
Power options
Description
Data storage device
Zenith60 components
Pin assignments for port 1
Pin assignments for port 2
13
Description of the System