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Be careful, observe the polarity shown on the inner side of the battery cover.  

 

NOTE. When the batteries are in the container and the external power source is turned on, the 
device operates on the external power source. If you unplug the external power source, you 
have to press the «ON» button to make the device operate on the batteries. 

 

CARE AND STORAGE 

 

 

Do not subject the digital NV device to shock or impact. Do not drop. 

 

Turn off the device when not in use and when moving the unit. 

 

The device can be used in daylight as well as nighttime conditions. 

 

After using the device in cold temperatures, please, wait up to 5 hours before using the device 
in the warm temperatures. This helps prevent condensation on the lenses.  

 

Do not leave the device in direct sunlight or rain. 

 

Water, sand, dust, and salt can damage the device. 

 

Do not cover the vent grid (14) of the IR-illuminator. Please keep the grid clean to insure 
proper performance of the IR illuminator. 

 

The device can be powered with 6 nickel cadmium batteries as well as 6 AA batteries. 

 

The power level of the main and auxiliary IR-illuminators when turning the device on with the 
«ON» button (6) and switching the IR-illuminators with the «IR» button (8) corresponds to the 
value previously set with the «+» (9) or «-» (10) buttons. 

 

Do not connect stray devices (headphones, for example) to the «Video» port. This may put the 
device out of action.  

 

When focusing on the display (you can see the  fine black net) 7 light or dark spots on the 
whole field of view in the image plane are acceptable.  

 

The main IR-illuminator can not be focused. 

 

CLEANING 

 

 

Do not scratch the external lens surfaces or touch them with your fingers. 

 

Clean the device's lenses with optic/camera lens tissue or a clean cloth moistened with alcohol. 
You may use your breath to mist the surface of the glass prior to wiping. Clean the device's 
surfaces with alcohol if necessary and dry thoroughly.  

 

The RANGER's plastic surfaces do not require special treatment. If necessary, clean the unit's 
surfaces with a clean, soft cloth and a petroleum-based jelly and dry thoroughly. 

 

Important Note 

Do not pour alcohol directly on the lenses.  
Do not clean lenses and unit surfaces with any paper, such as newspaper, notebook paper, etc.: this can 
damage the coating. 

 
STORAGE 

 

 

Remove the unit's batteries if the device will not be used for longer than 2 months. 

 

Always store the RANGER in its case.  

 

Always store the RANGER in a dry, well-ventilated area away from heating/air conditioning 
vents and other heating devices. Temperature should be greater than +50F (+10oC), and 
humidity should not exceed 70%. 

 
 
 

Summary of Contents for RANGER 28041

Page 1: ...th a special connector that allows RANGER to be powered by a 12 volt car outlet It operates for up to 10 hours using 6 AA batteries The RANGER has an ergonomically designed water resistant durable plastic body that helps protect the unit and creates versatility Yukon s RANGER is ideal for the following applications Surveillance Hunting camping Sports and night navigation and observation Commercial...

Page 2: ...is turned on automatically Press the IR button 8 to turn the main IR illuminator on Choose the operation modes of the IR illuminator press and hold the 9 or 10 buttons to increase or decrease respectively the power of the IR illuminator The use of the IR illuminator in the optimal mode prolongs operating time If the device is focused on an object closer than 15 metres the emission spot of the main...

Page 3: ...IR button 8 corresponds to the value previously set with the 9 or 10 buttons Do not connect stray devices headphones for example to the Video port This may put the device out of action When focusing on the display you can see the fine black net 7 light or dark spots on the whole field of view in the image plane are acceptable The main IR illuminator can not be focused CLEANING Do not scratch the e...

Page 4: ...tery container correctly 2 IR Illuminator fails to activate The button 10 is in its extreme position The sensitivity adjustment wheel 11 is in its extreme position Press the 9 button and hold for 5 8 seconds Adjust sensitivity of the device 3 Poor image quality Check the objective lens and eyepiece making sure they are focused according to the instructions listed in section OPERATING INSTRUCTIONS ...

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