HT981 / 917 v04/08 UHF submersible transceiver OWNERS MANUAL H CH MENU 2 M II 2 G Ex ib IIC T4 EPSILON 08ATEX2374X Use only with Entel approved accessories - see user guide DO NOT CHARGE IN A HAZARDOUS AREA ATEX approved Intrinsically Safe II 2 G Ex ib IIC T4 SUBMERSIBLE Submersible Dependable Tough
CE COMPLIANCE STATEMENT All HT981 / HT917 transceivers display "CE" on the serial number label, indicating compliance with all relevant EC directives.
1.1 PREPERATION PRIOR TO USE 1. ATTACHING THE BELT CLIP Align the belt clip with the plastic slots of the battery pack. Slide the belt clip downwards onto the battery pack, pushing firmly until a click is heard. 2. BATTERY REMOVAL/ATTACHMENT 1. Turn the transceiver off. 2. Hold the radio and rotate the battery release screw anti-clockwise. Ensure that you do not hold the battery pack when unscrewing the release screw as the radio will fall to the floor! 3.
Models suffixed S have alternative frequency ranges but are identical in operation to the models without the suffix. 1.3 CONTROLS AND INDICATORS 1. ON/OFF BUTTON Momentarily press to switch on. Press and hold to switch off. 2. VOLUME CONTROL Rotate clockwise to increase received volume. Rotate 3. anticlockwise to reduce received volume. PUSH TO TALK SWITCH 4. Hold down to transmit, release to receive. UP/DOWN buttons Select the desired channel by pressing the UP/DOWN buttons. 5.
12 ACCESSORY CONNECTOR ANTENNA CONNECTOR VOLUME CONTROL LAMP/LOCK MON ENTER/SELECT PTT MENU UP/DOWN M POWER SWITCH II 2 G Ex ib IIC T4 EPSILON 08ATEX2374X Use only with Entel approved accessories - see user guide DO NOT CHARGE IN A HAZARDOUS AREA SUBMERSIBLE P1 & P2 DEALER PROGRAMMABLE BUTTONS 11 BATTERY PACK Figure 2.
1.4 LCD INDICATORS H CH MENU 2 Figure 3. LCD indications CHANNEL DISPLAY The operating channel. Appears when key bleep sound is turned on. H/L Indicates High or Low power selected. SCAN Appears when scan is activated. VOX Voice operated mode enabled. The keypad is locked. The Lithium-lon battery of your transceiver is continually monitored for your convenience and safety. MON Indicates CTCSS/DSS disabled on receive allowing monitoring of the channel.
1.5 RECEPTION 1. Turn the transceiver on by momentarily pressing the power button. A power on tone is generated after 1 second to indicate the transceiver has passed its self-diagnostic test. Select the desired audio level by rotating the volume control clockwise. 2. Select the desired channel using the [UP/DOWN] buttons. 3. When receiving a signal the LED indicator illuminates green. 1.6 TRANSMISSION 1. Perform steps 1 through 3 of RECEPTION. 2.
1.7 BATTERY SAFETY The battery pack of your transceiver contains lithium-Ion cells. This type of battery stores a charge powerful enough to be dangerous if misused or abused, especially when removed from the transceiver. Please observe the following precautions: DO NOT SHORT BATTERY PACK TERMINALS Shorting the terminals that power the transceiver can cause sparks, severe over heating, burns, and battery cell damage. If the short is of sufficient duration, it is possible to melt the battery components.
1.8 NOTES Use this page to record important information, such as the serial number of your HT900 V2R1 Series transceiver, and any of the frequencies and sub-tones programmed by your dealer.
Certification ATEX approved Intrinsically Safe EPSILON 08ATEX2374X II 2 G Ex ib IIC T4 The HT981/HT917 must always be used within the terms of its certification. Keep the HT981/HT917 away from aggressive substances. If used in a hostile environment, extra protection may be needed. To prevent ignition of hazardous atmospheres, batteries must only be charged in an area known to be non hazardous. No unauthorised repairs are permitted.
Registered Community Design Application 000044375 U.S. Design Patent Pending No. 29/183,829 Copyright and Unregistered Design Right Entel UK 2008.