SARK-110-ULM
Quick Start Guide
The SARK-110-ULM antenna analyzer is a multipurpose, precision instrument capable of analyzing
antennas or networks, generating or detecting signals and performing Time-Domain-Reflectometry
(TDR) measurements on transmission lines, in a frequency range between 0.1 and 160 MHz and up
to 700 MHz with reduced performances.
Before you start
1. Read all operation Precautions in the User’s Manual
2. This is a battery-operated device. Recharging prior use is recommended. Please read the
“Battery Maintenance and Safety Guidelines”in the User’s Manual to achieve the
maximum battery life span and safely handle the battery.
3. The firmware is continuously evolving and being enhanced. We suggest updating to the
latest firmware version available.
4. Use an off-the-self micro-USB cable (not included) for connecting to a computer. No
software driver installation will be needed. For computer operation, install SARK Plots
software for Windows.
5. For operation from an Android device, install SARK Plots software for Android and follow
the pairing instructions described in the User’s Manual.
Operation
The device under test can be connected to the Test Port, which is a SMA receptacle located on the
top side. This receptacle accepts SMA plug connector types.
The USB port located on the bottom side facilitates connection to a computer for communication
and internal battery charging using a compatible micro-USB cable (not included). The unit charges
the internal battery when connected to USB. The internal battery charger automatically manages
the charge cycle and stops the process when the battery is fully charged. The charger LED on the
bottom lights when the battery is charging. The complete charge cycle takes around 3.5 hours.
Slide the Power Switch button located on the top right to the ON position to turn the unit on. An
automatic power-off feature can be set for power-saving after a user-specified period of inactivity.
Upon the first start, SARK-110-ULM goes to Scalar mode automatically. Operational mode and
configuration settings are preserved automatically between sessions, stored in internal memory.
The SARK-110-ULM includes nine buttons on the front side with dedicated functions and provides
an intuitive menu navigation.
Changing the operation mode
Press the Menu [ ] button twice to get into the Operational Mode select menu -pressing the Menu
button toggles between the Function and Operation mode menus. Select the needed operational
mode using up or down arrow buttons and then press the Enter [ ] button to validate or the
Return [ ] button to cancel.
Select the function
Press the Menu [ ] button to get into the Function menu. This menu allows selecting different
entry options such as center, span, start or stop frequency, change the parameter to plot or
accessing to file operations. The available menu options depend on the operation mode. Select the
needed function using up or down arrow buttons and then press the Enter [ ] button to validate or
the Return [ ] button to cancel.
The selected function is persistent, and it is shown on the left side of the screen. The operation of
Enter [ ] and up and down arrow buttons is associated to the selected function.
Changing the settings
Press the Setup [ ] button to get into the Setup menu. Select the needed setup option using the
up or down arrow buttons and then press the Enter [ ] button to validate or the Return [ ] button
to cancel.
Changing the run status
The Run/Hold [ ] button controls
the run status. The measurements
can be stopped at any time by
pressing the Run/Hold [ ] button
and resuming them by pressing
this button again. If the Run Mode
in the Setup menu is set to «Single
Shot», the sweep automatically
stops on completion of a single
pass. Press the Run/Hold [ ]
button to start a new sweep.
