Navtec NRS3i01 User Manual Download Page 4

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04

 

4.2 Operating instructions for specific functions 

4.2.1 Start-up mode 

Hand-held and scale will be made by paired test before it leaves factory, firstly switch on hand held, 
press the power key, It is successful linked while scale wireless connection indicator(blue light) 
long bright, and meanwhile wireless signal indication and power displayed on the LCD screen. The 
scale is on ordinary weighing mode at this situation.
(Note 1: The hand-held device will be automatically shut down after 5 minutes if it failed to connect 
the pan; if connection succeeds, the scale will be closed automatically if the weight on the scale will 
not change in 10 minutes; the actual weight will be displayed when the weight on the scale more 
than 4.4Ibs as it re-started.
(Note 2: Overweight alarm prompt: if the goods being weighed is beyond the weighing range, the 
beeper alarms. Please take down the goods immediately from the weighing pan.)
(Note 3: Please check if the code on the back of hand held in accordance with the code on back of 
pan)

4.2.2 Measurement unit setting 

With measurement unit setting, you can switch between Kg + g or Lb + oz units. 
1

.

 After switching on the hand-held device, the LCD display will be as follows (the default unit is kg 

   +g):

4.2.3 Back-light setting

You can select with or without the back-light, based on different conditions. The default setting is no 
light. Press the       button in order to switch on the light, and press it again to switch it off. The light 

4.2.4 Clear setting

stays on for 30 seconds, after 30 seconds it will switch off automatically.

2. Depending on the different requirements, press the      key, and the weighing unit will switch to 
    Lb + oz, which will be displayed as bellow:

Kg

g

In the standard weighing mode, pressing       , the weight value of the item on the scale will be set to 
zero. 
The scale zeros off automatically and data display goes to “0” if weight on the scale is less than  4.4 
lbs, or more than 4.4 lbs without making any changes to output with actual weight data.
Note: 
While using the Clear program, ensure the vessel on the scale is in weight normal range, and the 
weight does not exceed the measuring range of the scale.

4.2.5. Charge mode operation

The user can use this function to rapidly and safely add refrigerant to the system. After entering the 
“Charge” mode, enter the charge value, and start charging. The minimum charge amount is 1.8 
oz. 
1. Switch on the scale. 
2. Place the refrigerant container on the scale, and wait until the reading stabilizes, displaying 
    total weight of the container. For example, if the container’s total weight is 29Lb+15.7oz, the 
    display will be as follows:

3. Press      and the LCD screen will display the “Charge” function sign. Then enter the net weight 
of the refrigerant to be added, and after pressing the ENTER button         , the net weight to be 
charged will be displayed. For example, if you want to add 4lbs+6.5oz of refrigerant, first press      , 
then enter “0-0-4-0-6-5” on the number pad based on the LCD flash figure, then press           . The 
following will be displayed. 

Lb

oz

Lb

oz

Summary of Contents for NRS3i01

Page 1: ...NRS3 01 i User Manual Wireless Refrigerant Scale SAVETHIS MANUAL FOR FUTURE REFERENCE www navtek uk www navtek ie Made in China ...

Page 2: ...ts are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this eq...

Page 3: ...ear button Combo button Numeric button 5 and Recover button Numeric button 6 Numeric button 7 Numeric button 8 Numeric button 0 Shift button Combo button Enter and Exit button Wireless synchronous communication key LCD display screen Hook Number pad Battery cover 4 1 2 Scale buttons No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Button Composite key numeric key 9 and power ON OFF key short press the key to t...

Page 4: ...n the light and press it again to switch it off The light 4 2 4 Clear setting stays on for 30 seconds after 30 seconds it will switch off automatically 2 Depending on the different requirements press the key and the weighing unit will switch to Lb oz which will be displayed as bellow Kg g In the standard weighing mode pressing the weight value of the item on the scale will be set to zero The scale...

Page 5: ... scale will begin to issue an alarm sound and the charge recover completion symbol will begin to flash telling the user that the recover is about to finish The display is as follows 3 Press the recover button and the LCD screen will display the recover symbol Enter the net value you wish to recover and press Enter At this point the net weight of refrigerant recovered to the container from the syst...

Page 6: ... 1 set 1 4 4 When the weighing pan is at off state press first and then At this moment Low Battery red light is on Keep the two buttons pressed for 10 seconds till the Bluetooth blue light is on Loose the then Low Battery red light is off Keep pressing the for over 5 minutes till the Low Battery red light and Bluetooth blue light flashes alternately Loose the then the Low Battery and Bluetooth is ...

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